test flight Archives - FLYING Magazine https://cms.flyingmag.com/tag/test-flight/ The world's most widely read aviation magazine Wed, 16 Oct 2024 13:55:14 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.1 SpaceX Achieves Historic Booster Catch During Starship Test https://www.flyingmag.com/news/spacex-achieves-historic-booster-catch-during-starship-test/ Mon, 14 Oct 2024 19:12:38 +0000 https://www.flyingmag.com/?p=219517&preview=1 Company successfully catches its Super Heavy booster using a pair of metal ‘chopsticks,’ marking the first time such a maneuver has been completed.

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SpaceX’s Starship program—responsible for developing the largest and most powerful rocket ever flown—continues to make history.

On Sunday, Starship and the Super Heavy booster lifted off around 8:25 a.m. EDT from SpaceX’s Starbase launch pad in Boca Chica, Texas, on the rocket’s fifth suborbital test flight. But rather than splash down in the Gulf of Mexico, as it did on the previous flight, Super Heavy was caught in midair by a pair of metal “chopstick” arms the company refers to as “Mechazilla.”

It is the first time such a maneuver has been successfully completed and represents the program’s most ambitious milestone to date.

“The entire SpaceX team should take pride in the engineering feat they just accomplished,” the company said in a postlaunch update. “The world witnessed what the future will look like when Starship starts carrying crew and cargo to destinations on Earth, the moon, Mars and beyond.”

Built to Last

As SpaceX alluded to, Starship—which stands nearly 400 feet tall when stacked on Super Heavy—is being designed to one day ferry humans around the solar system.

The firm is also working under a $4 billion NASA contract to develop two human landing system (HLS) variants of Starship that will return Americans to the moon for the first time since the Apollo missions. The HLS will first fly on Artemis III, which is tentatively scheduled for September 2026 and will land NASA astronauts at the lunar south pole.

To develop such a vehicle, SpaceX will need to launch Starship hundreds of times. And to do that, both the rocket and booster will need to be turned around quickly. SpaceX therefore designed both components to be fully reusable. That makes Sunday’s mission—which returned Super Heavy to its launch pad intact—a key piece of validation.

“Congratulations to @SpaceX on its successful booster catch and fifth Starship flight test today!” said NASA Administrator Bill Nelson in a post on X. “As we prepare to go back to the Moon under Artemis, continued testing will prepare us for the bold missions that lie ahead—including to the South Pole region of the Moon and then on to Mars.”

Following liftoff, Super Heavy separated from Starship and reversed course back to Earth, descending at supersonic speed. The booster then fired a handful of engines to apply the brakes, slowing to a hover before Mechazilla snared it from the sky about seven minutes into the mission. It was a bull’s-eye landing and the first time the booster had launched and returned to the same pad. SpaceX captured the moment in real time.

“Thousands of distinct vehicle and pad criteria must be met prior to a return and catch attempt of the Super Heavy booster, which will require healthy systems on the booster and tower and a manual command from the mission’s flight director,” SpaceX said in a post on X.

Super Heavy is significantly larger than SpaceX’s ubiquitous Falcon 9 rocket, which it has successfully landed hundreds of times both on land and at sea. And because it lacks landing legs, SpaceX was forced to get creative.

The company achieved its goal remarkably quickly. Flight 4 was a huge step, as the booster splashed down “with half a centimeter accuracy,” according to Bill Gerstenmaier, vice president of build and flight reliability at SpaceX. Previous missions, however, lost the booster entirely.

According to Dan Huot, a SpaceX communications manager on Sunday’s live feed, “We’re going to start looking real soon at when we can catch a [Starship].”

Starship, meanwhile, completed its own objectives, executing hot-stage separation, ignition, and ascent to outer space. It coasted about halfway around the planet before reentering the atmosphere, flipping itself around, and making a controlled splashdown in the Indian Ocean. A camera buoy captured that moment as well.

Like Super Heavy during Flight 4, the rocket tipped over and sunk into the ocean. This time, though, SpaceX upgraded Starship’s thermal systems for reentry, where conditions are hot enough to envelop the rocket in plasma. The upgrade appeared to prevent the loss of flaps and other hardware that were jettisoned previously.

“We were not intending to recover any of the ship’s hardware, so that was the best ending that we could have hoped for,” said SpaceX engineer Kate Tice during Sunday’s live stream.

Under Scrutiny

SpaceX says it intends to churn out thousands of Starships per year at its one million-square-foot Starfactory plant. But the company is frustrated by the pace of the FAA launch licensing process, even going so far as to air its grievances publicly.

The FAA took extra time to review the Flight 5 mission profile.

“SpaceX’s current license authorizing the Starship Flight 4 launch also allows for multiple flights of the same vehicle configuration and mission profile,” an agency spokesperson told FLYING last month. “SpaceX chose to modify both for its proposed Starship Flight 5 launch which triggered a more in-depth review.”

The FAA evaluated a new splashdown site in the Gulf of Mexico as well as what it predicted would be an unusually large sonic boom during the booster landing, prompting respective 60-day consultations with the National Marine Fisheries Service and U.S. Fish and Wildlife Service. It has also proposed more than $630,000 in fines against SpaceX for allegedly violating the terms of its license during two previous missions, neither involving Starship.

According to FAA Administrator Mike Whitaker, the measures are “necessary” for safety. SpaceX takes a decidedly different perspective. It claims the agency communicated a September timeline for Flight 5 that was later revised to late November. Saturday’s approval of a launch license therefore came as a bit of a surprise.

“We continue to be stuck in a reality where it takes longer to do the government paperwork to license a rocket launch than it does to design and build the actual hardware,” SpaceX said in a September update. “This should never happen and directly threatens America’s position as the leader in space.”

SpaceX also faces scrutiny for failing to contain a liquid oxygen spill at Starbase in violation of the Clean Water Act, the EPA told FLYING last month. The company ate a $150,000 fine but denied it expels anything other than regular drinking water.

What’s Next?

If it sticks to the Flight 5 mission profile for the next Starship test, SpaceX will be able to launch under its current license.

But if the firm makes significant modifications—as it is prone to do, given that each mission has been more ambitious than the last—it could become entangled in another FAA feud.

Starship’s debut crewed flight is intended to be the third mission of the Polaris Program—a series of private flights purchased from SpaceX by billionaire CEO Jared Isaacman, the first of which concluded last month. Before then, SpaceX plans to fly hundreds of missions without crew. CEO Elon Musk even said last month that the firm intends to launch routine, uncrewed Starship missions to Mars within two years.

NASA has estimated that the spacecraft will require about 15 test flights before the Starship HLS is ready to put humans back on the moon. The next step for SpaceX will be to validate orbital flight (all Starship missions so far have been suborbital) and demonstrate orbital maneuvers like propellant transfer. That’s exactly what the firm plans to do as early as next year, launching twin Starships that will mate and transfer fuel from one to the other.

Starship is loaded with about 10 million pounds of propellant, generating some 17 million pounds of thrust from its 13 Raptor engines. It boasts greater fuel capacity than any modern technology. But to give it enough juice to fly to the moon and back, it will need to fuel up at an orbital propellant depot. To hit its Artemis III deadline, NASA will need Starship to complete several missions to stock up that fuel supply. Officials are contemplating alternative mission profiles in case there isn’t enough time..

“The pacing item is the rate at which SpaceX can launch the systems that can fuel the depot,” said Lori Glaze, acting deputy associate administrator of NASA’s exploration directorate, earlier this month.

In furtherance of that objective, SpaceX is developing a second launch pad at Starbase. The company also seeks to launch and recover rockets from Launch Complex 39A at Kennedy Space Center in Florida, which could increase Starship’s cadence.

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SpaceX Starship Launch Delay ‘Necessary,’ FAA Administrator Tells Congress https://www.flyingmag.com/news/spacex-starship-launch-delay-necessary-faa-administrator-tells-congress/ Wed, 25 Sep 2024 20:58:46 +0000 https://www.flyingmag.com/?p=218421&preview=1 Agency leader Mike Whitaker fields questions about the delayed fifth flight of SpaceX’s massive Starship rocket.

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FAA Administrator Mike Whitaker was put in the hot seat on Tuesday as he fielded questions from Representative Kevin Kiley (R-Calif.), a member of the House Transportation and Infrastructure Committee’s subcommittee on aviation, regarding the delayed fifth flight of SpaceX’s Starship rocket.

During a committee hearing focused on FAA oversight of Boeing amid the manufacturer’s recent safety woes, Kiley squeezed in a few questions about Starship, which according to SpaceX has been bogged down by licensing issues “ranging from the frivolous to the patently absurd.”

“America is being smothered by legions of regulators, often inept & politically-driven,” SpaceX CEO Elon Musk said in a post on X on Thursday.

The largest rocket ever built, Starship so far has made four suborbital test flights. SpaceX will attempt a unique maneuver during Flight 5, using a pair of “chopstick” arms to catch the rocket’s Super Heavy booster in midair. But while Musk had hoped to launch this month, the FAA told the company its license would be ready no earlier than late November.

“I think the two-month delay is necessary to comply with the launch requirements, and I think that’s an important part of safety culture,” Whitaker said.

According to the FAA leader, SpaceX has failed to provide a sonic boom analysis for the upcoming mission, which will have a larger sonic boom radius than previous flights. That brought a 30-day delay to give the FAA time to consult with the U.S. Fish and Wildlife Service (USFWS). Whitaker said the analysis is “safety related.”

Starship faces further delays because SpaceX filed a launch application without disclosing it was in violation of Texas law, Whitaker said. The Environmental Protection Agency earlier this month told FLYING the company violated the Clean Water Act by failing to contain a liquid oxygen spill at its Starbase launchpad, prompting a $150,000 fine. SpaceX denied that it violated any laws at Starbase but ate the fine to avoid any consequences.

SpaceX also faces more than $630,000 in proposed fines from the FAA for allegedly failing to adhere to launch requirements on two previous missions. Whitaker said the fines are unrelated to the Flight 5 setback, but the agency claims the company’s unauthorized use of a new control room and fuel farm raised safety concerns. Musk, in response, said SpaceX will fight the penalties in court.

“I think safety is in the public interest, and that’s our priority focus with the proposed civil penalty,” Whitaker said, adding that fines are the “only tool” the FAA has to ensure compliance.

When asked how SpaceX could speed up the licensing process, the administrator responded, “Complying with the regulations would be the best path.”

SpaceX, however, did not take kindly to Whitaker’s comments. The company on Tuesday sent a letter to Kiley claiming that Whitaker “made several incorrect statements today regarding SpaceX,” bringing the feud between the company and the agency further into the public eye.

“In fact,” the company wrote, “every statement he made was incorrect.”

Whitaker twice said SpaceX “launched without a permit,” which as the company pointed out is not true. As the FAA notes, the firm faces penalties for “allegedly failing to follow its license requirements,” necessitating the existence of a license.

The company claimed its new fuel farm was approved by Federal Range Safety officials and analyzed by the FAA, which “required no changes to the previously approved Federal Range configuration.” The agency additionally “was on console and did not stop the countdown” for that launch, SpaceX said.

The firm further alleged that the revised sonic boom analysis for Flight 5 “has nothing to do with safety” and is a simple paperwork issue. It said USFWS officials previously determined the booms have no environmental impact and that the slightly larger impact area won’t change things.

“SpaceX submitted new information in mid-August detailing how the environmental impact of Flight 5 will cover a larger area than previously reviewed,” the FAA told FLYING earlier this month. “This requires the FAA to consult with other agencies.”

The agency did not immediately respond to FLYING’s request for comment on SpaceX’s letter to Kiley.

SpaceX has grand ambitions for Starship, with Musk earlier this week saying it would begin routine missions to Mars within two years. The company argues that scrutiny from the FAA is not in the public interest, and delaying Flight 5 due to what it believes is not a safety issue could hurt U.S. leadership in human spaceflight.

Kiley agreed, asking whether the FAA “needs to be reformed in a way that is better suited toward the type of innovation that we should be moving toward in the commercial space industry.”

“I agree that this is a vital mission, and I think SpaceX has been a very innovative company,” Whitaker said. “But I think they’re also a mature company. They’ve been around 20 years, and I think they need to operate at the highest level of safety, and that includes adopting a [safety management system] program. That includes having a whistleblower program.”

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China’s EHang Completes First Electric Air Taxi Flight in Brazil https://www.flyingmag.com/modern/chinas-ehang-completes-first-electric-air-taxi-flight-in-brazil/ Wed, 25 Sep 2024 16:45:06 +0000 https://www.flyingmag.com/?p=218387&preview=1 Manufacturer’s self-flying EH216-S takes to the skies above Quadra, São Paulo, in front of Brazilian aviation officials.

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China’s EHang, the manufacturer of a self-flying, electric vertical takeoff and landing (eVTOL) aircraft for air taxi and tourism services, this week took flight in Latin America.

The company on Tuesday said it completed an initial test flight of its uncrewed EH216-S in Brazil, conducted just over one week after securing an experimental flight authorization certificate from the country’s National Civil Aviation Agency (ANAC) permitting the beginning of trial operations.

EHang is working with ANAC and the Brazilian Airspace Control Department (DECEA) to complete a series of test initiatives designed to help develop a concept of operations and uncrewed air traffic management (UTM) system for the model.

“The ongoing test and trial flight campaigns for the EH216-S in Brazil will allow us to accrue a vast amount of data, information, and operational experience, which in turn will pave the way for developing safe, efficient, eco-friendly, and accessible urban air mobility for everyone across Brazil and Latin America,” said Victoria Xiang, chief operating officer of EHang Europe and Latin America.

EHang is one of several manufacturers building for the urban air mobility (UAM) industry—or the low-altitude economy, as Chinese officials call it—which is innovating new ways to move customers and cargo across cities or metropolitan areas. But unlike the FAA, China’s CAAC is encouraging firms to start with self-flying air taxis, believing them to be safer than piloted alternatives.

EHang’s model is designed to fly two passengers at a top speed of just over 80 mph, with a maximum takeoff weight north of 1,350 pounds. The fully electric aircraft can be charged in just two hours and has a range of about 16 nm.

The EH216-S includes multiple flight control systems and redundant components. It uses high-speed wireless data links to communicate with a remote command and control center, and its fail-safe system can autonomously select an alternative route in an emergency scenario.

The model in October became the first eVTOL air taxi to obtain type certification from a national aviation regulator, the Civil Aviation Administration of China (CAAC), which in subsequent months issued production and airworthiness approvals. Already, EHang has conducted several commercial demonstration flights in China.

But this week marked the first time the aircraft lifted off in Brazil. The test flight took place in Quadra, São Paulo, with local operating partner Gohobby Future Technologies, which received its first EHang aircraft in December. Several Brazilian aviation officials were present, according to the company.

In August, the ANAC and CAAC agreed upon revised procedures for validating each others’ aircraft certifications, allowing aircraft to more easily be approved, exported, and imported by the countries. The regulators also signed a cooperation agreement to strengthen their partnership on airworthiness technology exchange, legislation, and certification training.

In addition, ANAC officials have visited EHang facilities in China. The agency is now working with the firm to identify a regulatory framework for operations in Brazil, opening the skies for the EH216-S.

Brazil is also home to Embraer and its eVTOL air taxi arm, Eve Air Mobility, which rolled out its first prototype aircraft in June. The company is similarly working closely with ANAC and received proposed airworthiness criteria for its flagship design in December.

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U.S. Military Gets First Look at Ultra Short Aircraft https://www.flyingmag.com/modern/u-s-military-gets-first-look-at-ultra-short-aircraft/ Mon, 23 Sep 2024 18:44:51 +0000 https://www.flyingmag.com/?p=218234&preview=1 Manufacturer Electra performs demonstration flights for the military under a $85 million contract with the U.S. Air Force.

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The U.S. military this week got its first look at a hybrid-electric aircraft designed to take off and land in areas as small as a soccer field.

Ultra short aircraft manufacturer Electra on Monday announced that it completed successful demonstration flights of its EL-2 Goldfinch prototype at Marine Corps Air Facility Quantico (KNYG) and Felker Army Airfield (KFAF) at Joint Base Langley-Eustis (KLFI) in Virginia. U.S. Army, Navy, and Air Force personnel were present for the demonstrations, which were the first Electra has performed for the military, the firm told FLYING.

Electra’s nine-passenger design has garnered contracts from the Air Force, Army, and Navy, which view it as a potential game-changer for military resupply missions, tactical insertions, and medical evacuations. The firm is also backed by Lockheed Martin.

The demonstrations at Joint Base Langley-Eustis were conducted under a strategic funding increase (STRATFI) agreement with AFWERX, the Air Force’s innovation arm, worth up to $85 million. AFWERX offers a quid pro quo arrangement, providing electric aircraft manufacturers and other developers of novel aviation technology with a sandbox in which to mature their systems. In return, the military gets early access to non-commercially available designs.

“This aircraft’s efficient, quiet, and sustainable operations align with military objectives for contested and expeditionary logistics,” said Jacob Wilson, acting branch chief of AFWERX’s Agility Prime division dedicated to electric and autonomous models. “Its hybrid-electric propulsion system provides extended range and endurance, making it suitable for Agile Combat Employment missions in austere locations with compromised or nonexistent runways.”

The Goldfinch uses a unique blown-lift mechanism to amplify lift, allowing it to take off at what the company describes as neighborhood driving speeds. This reduces the vehicle’s runway requirement to just 150 feet, allowing it to operate from locations with a closed or damaged runway, including ships or barges.

Electra test pilot Cody Allee took the Goldfinch through a series of grass field takeoffs and landings, with no ground infrastructure required. The company describes the aircraft as a “mobile power generator” offering 600 kilowatts of continuous power, capable of reaching 1 megawatt in “short bursts.” According to the firm, its fuel consumption is one-third that of helicopters performing the same mission.

Allee flew 150-foot radius turns to showcase the aircraft’s maneuverability at low speed and altitude. The test pilot also helped demonstrate a mobile power generation display, using the aircraft’s power supply to fire up its own sound system and preflight presentation equipment.

“These flight demonstrations mark a significant milestone for Electra as we show the capabilities of the technology in the real-world,” said JP Stewart, vice president and general manager of Electra. “Our ultra short aircraft make it possible to operate from austere locations previously only reachable by helicopters, with 70 percent lower costs and very quiet operations.”

Electra in January said it surpassed 2,000 orders for its flagship design, with commercial customers including regional air carrier JSX, helicopter operator Bristow Group, and private charter marketplace JetSetGo. But as the company continues to refine its design, military customers will get their hands on it first.

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SpaceX Takes Aim at FAA After Latest Starship Launch Delay https://www.flyingmag.com/modern/spacex-takes-aim-at-faa-after-latest-starship-launch-delay/ Wed, 11 Sep 2024 20:56:41 +0000 https://www.flyingmag.com/?p=217570&preview=1 The gargantuan rocket’s fifth test flight will attempt a complex booster ‘catch’ maneuver but not for at least a few months.

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SpaceX this week received disappointing news from the FAA that the launch license for its fifth test flight of Starship—the largest and most powerful rocket ever built—won’t be awarded until late November. And it’s not happy.

On Tuesday, as the company occasionally does when facing what it deems to be unfair treatment, SpaceX posted a lengthy update decrying the decision. According to the firm, the FAA had assured it that Starship would get the green light this month. It claims the rocket has been ready to fly since early August, an assertion CEO Elon Musk reiterated last week.

“Unfortunately, we continue to be stuck in a reality where it takes longer to do the government paperwork to license a rocket launch than it does to design and build the actual hardware,” the firm said. “This should never happen and directly threatens America’s position as the leader in space.”

With the ability to be used multiple times on the cheap, Starship is expected to be a game-changer for U.S. spaceflight. SpaceX wants to launch the rocket up to 120 times per year from NASA’s Kennedy Space Center and Cape Canaveral Space Force Station in Florida. Musk last week claimed the vehicle will reach Mars within two years.

SpaceX is also developing a Starship human landing system (HLS), a lunar lander variant of the spacecraft, for NASA’s Artemis III mission, which would return Americans to the moon for the first time in more than half a century. Starship will require a few more test flights before the mission, which is scheduled for late 2026.

That’s not much time, but SpaceX plans to get there using its philosophy of iterative design. Basically, the company puts flight hardware through real-world testing as often as possible to learn quickly and improve the chances of success on the next flight. The strategy helped it commercialize the now-ubiquitous Falcon rocket.

“The more we fly safely, the faster we learn; the faster we learn, the sooner we realize full and rapid rocket reuse,” SpaceX said.

Each Starship test flight has flown farther and accomplished more than the last. The fourth, in June, marked the first time both Starship and the Super Heavy booster made it back to Earth in one piece after the first two attempts ended in explosions.

Keeping with the trend, Flight 5 will feature the most ambitious goal yet. SpaceX will attempt to catch Super Heavy midair using two large “chopstick” arms, returning it safely to the Starbase launch pad in Boca Chica, Texas. 

The maneuver could pose risk to Starbase’s launch tower, but SpaceX says it has been preparing for years. The delay could create a ripple effect that hampers future Starship test flights. Safely returning the booster is a critical piece of the system’s reusability.

“It’s understandable that such a unique operation would require additional time to analyze from a licensing perspective,” the firm said. “Unfortunately, instead of focusing resources on critical safety analysis and collaborating on rational safeguards to protect both the public and the environment, the licensing process has been repeatedly derailed by issues ranging from the frivolous to the patently absurd.”

What’s the Holdup?

SpaceX said the FAA communicated that a launch license would be awarded this month, but the process has been delayed due to “four open environmental issues” it deems unnecessary.

Starship’s maiden voyage in April 2023 was a brief but bombastic one. The FAA grounded the rocket as it investigated the launch and explosion, which shook buildings, shattered windows, and sent ash and debris flying miles away.

The impact was more severe than SpaceX anticipated due to the lack of a flame deflector—a common fixture at launch sites that uses water to absorb energy and heat—beneath Starbase. According to Musk, the system was absent because it “wasn’t ready in time” and the company thought the pad could withstand the launch.

The FAA’s handling of Starship’s initial launch license prompted a lawsuit from five environmental groups, which the agency reportedly has sought to dismiss. With the flame deflector installed, subsequent Starship flights have not destroyed the launch pad.

However, the FAA has approved two 60-day consultations that could extend the timeline for a fifth mission.

According to SpaceX, the only proposed change to the mission’s hot-stage jettison—during which the top of the Super Heavy booster is expelled—is a new splashdown location, which it says would not raise the risk of harm to marine life. Still, the FAA signed off on a consultation with the National Marine Fisheries Service to evaluate the new site.

“SpaceX’s current license authorizing the Starship Flight 4 launch also allows for multiple flights of the same vehicle configuration and mission profile,” the agency told FLYING. “SpaceX chose to modify both for its proposed Starship Flight 5 launch which triggered a more in-depth review.”

SpaceX, though, fears the review could be longer.

“The mechanics of these types of consultations outline that any new questions raised during that time can reset the 60-day counter, over and over again,” it said.

A separate consultation with the U.S. Fish and Wildlife Service (USFWS), requested by the FAA due to Flight 5’s larger sonic boom radius, could add to the delays. A sonic boom occurs as Starship slows from supersonic speeds on its way back to Earth.

“SpaceX submitted new information in mid-August detailing how the environmental impact of Flight 5 will cover a larger area than previously reviewed,” the FAA said. “This requires the FAA to consult with other agencies.”

According to SpaceX, both agencies have studied Starship booster landings and concluded there is no significant environmental impact from sonic booms. The firm also claims studies back the idea that sonic booms have no detrimental effect on wildlife—but the jury is still out on that one.

According to an evaluation by the California Coastal Commission of SpaceX’s request to increase Falcon 9 launches at Vandenberg Space Force Base in California, experts don’t fully understand the effects of noise on animals. The commission rejected the request in part because sonic booms generated by Falcon 9—a less powerful rocket than Starship—force too many closures and evacuations of local parks.

“At Starbase, we implement an extensive list of mitigations developed with federal and state agencies, many of which require year-round monitoring and frequent updates to regulators and consultation with independent biological experts,” SpaceX said.

Among other things, the company says it works with a local nonprofit to transport injured sea turtles for treatment and monitors bird local populations, using drones to search for nests before and after launch and. It also “adopted” Boca Chica Beach through a Texas state program and sponsors quarterly cleanups it says have removed hundreds of pounds of trash.

A CNBC report last month, which SpaceX swiftly rebuked, alleged that the company violated the Clean Water Act. The Environmental Protection Agency, though, told FLYING it did indeed violate that law.

Days before Starship’s third test flight in March, the EPA issued an order directing the company to eliminate “unpermitted discharges,” citing a liquid oxygen spill from the flame deflector’s water deluge system that seeped into the surrounding wetlands. SpaceX was forced to apply for a new permit from the Texas Commission on Environmental Quality (TCEQ), which it did in July, but still ate a fine of nearly $150,000 to resolve the violation.

In response, the company denied it ever discharged pollutants or operated the deluge system without TCEQ permission. According to SpaceX, the device uses “literal drinking water” and has been deemed safe by the FAA, TCEQ, and USFWS.

SpaceX further claimed that the EPA issued its order without knowledge of its TCEQ license or “a basic understanding of the facts” of the system’s operation. It added that the fines are “entirely tied to disagreements over paperwork” and stem from a simple misunderstanding.

“We chose to settle so that we can focus our energy on completing the missions and commitments that we have made to the U.S. government, commercial customers, and ourselves,” SpaceX said. “Paying fines is extremely disappointing when we fundamentally disagree with the allegations, and we are supported by the fact that EPA has agreed that nothing about the operation of our flame deflector will need to change. Only the name of the permit has changed.”

The proposed settlement is open for public comment until October 21.

Singled Out?

The implication by SpaceX is that it is being unfairly targeted for its successes.

The company is prolific within the commercial spaceflight industry—experts estimate it accounted for 87 percent of all spacecraft mass space operators sent into orbit in 2023. At the same time, it handles more NASA missions than any of the agency’s private contractors.

That dominance occasionally draws ire from competitors such as Jeff Bezos’ Blue Origin, or, as SpaceX puts it, “bad-faith hysterics from online detractors or special interest groups.”

“Despite a small, but vocal, minority of detractors trying to game the regulatory system to obstruct and delay the development of Starship, SpaceX remains committed to the mission at hand,” the company said.

NASA has made it known that it intends to become one of many customers within a commercial space ecosystem, rather than a service provider, by the end of the decade. As SpaceX continues to snap up NASA contracts—including an agreement to deorbit the International Space Station, ushering in that new era—rivals and critics may fear that its supremacy will only grow.

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Air Taxis Missed Paris Olympics Goal—Could They Soar in LA? https://www.flyingmag.com/modern/air-taxis-missed-paris-olympics-goal-could-they-soar-in-la/ Mon, 12 Aug 2024 19:09:52 +0000 https://www.flyingmag.com/?p=213331&preview=1 Air taxi manufacturers will have another opportunity to showcase their technology to the world at the 2028 Summer Games in Los Angeles.

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An electric vertical takeoff and landing (eVTOL) aircraft manufacturer’s plan to turn the City of Light into the City of Electric Air Taxi Flights did not come to fruition.

Germany’s Volocopter last year hatched a plan with international airport operator Groupe ADP to ferry spectators around the 2024 Paris Olympic Games using its VoloCity air taxi, which would mark the aircraft’s commercial rollout. The firm even extended an invite to French President Emmanuel Macron, whose government approved the flights earlier this year, to be its first passenger.

But the company was unable to certify its two-seat design, built for a pilot plus one passenger, in time to fly people at the global event.

Another eVTOL manufacturer, China’s AutoFlight, also partnered with Groupe ADP last year to demonstrate its self-flying Prosperity air taxi at the Games but has yet to announce any test flights.

Still, it wasn’t a total wash for Volocopter. The firm managed to complete two test flights, one on Wednesday and another on Sunday.

The first took place at the Aerodrome of Saint-Cyr-l’École (LFPZ), one of five sites where the partners are constructing vertiports to support commercial operations. These vertical takeoff and landing hubs, similar to heliports, are built with electric charging stations to support eVTOL aircraft.

Big Plans for Paris

Groupe ADP is developing additional vertiports at Paris Charles de Gaulle Airport (LFPG), Paris-Le Bourget Airport (LFPB), and Paris Heliport, as well as a special floating landing pad on the River Seine that Volocopter can use until the end of the year. These five locations will be linked by five eVTOL air taxi routes: three public transit routes and two round-trip tourism routes.

According to Volocopter, the vertiport at Saint-Cyr-l’École is the first bespoke commercial location within its approved Paris route network. Wednesday’s crewed test flight was conducted under a permit to fly awarded by France’s Civil Aviation Authority (DGAC), kicking off an operational validation test campaign.

The company will need to demonstrate flight maneuvers around the vertiport, ground handling, communication with air traffic control, battery charging, and more. The campaign is the culmination of years of testing at Pontoise airfield, the site of Paris’ first inaugurated vertiport.

“For now, test flights are carried out without passengers, but once the aircraft is certified, we will test emergency medical flights with AP-HP (Ile-de-France University Hospital Centre),” said Edward Arkwright, deputy CEO of Groupe ADP. “Innovation in the field of aeronautics needs time to remove obstacles regarding safety, but we remain convinced that new carbon-free air mobilities around eVTOLs will offer helpful services that go way beyond the transportation of passengers.”

Volocopter followed that test flight with a second at the World Heritage Palace of Versailles on Sunday, soaring over the palace’s lush gardens during a demonstration attended by Groupe ADP and DGAC officials.

The venue hosted several 2024 Olympic events and was the site of the first hot-air balloon flight by the Montgolfier brothers in 1783. Authorization for the flight was awarded on the final day of the Games by the Château de Versailles, City of Versailles, Yvelines Prefecture, and DGAC.

“The sustainable air mobility community is still at the start line, but today’s flight in this exceptional environment was the perfect closing ceremony to our summer, as we look forward to returning to Paris very soon,” said Dirk Hoke, CEO of Volocopter.

The company said it hopes to fly in central Paris later this year, with aspirations to launch passenger operations from its river barge vertiport on the Seine. A Groupe ADP official told Agence France-Presse (AFP) the partners hope to fly passengers over the river by the time Notre Dame Cathedral, which burned down more than five years ago, is reopened in December.

Volocopter next year also expects to begin trials of an emergency medical service in Germany with partner ADAC Luftrettung, which last year agreed to purchase two custom-built VoloCity aircraft and could buy as many as 150.

Why Didn’t They Fly?

Beyond test flights, the firm’s primary goal is to obtain type certification from the European Union Aviation Safety Agency (EASA), the elusive approval that would have allowed it to fly passengers at the Olympics. So far, only one eVTOL manufacturer—China’s EHang—has received type certification from its country’s aviation regulator, though many others have begun the process.

Arkwright told AFP that Volocopter’s VoloCity suffered “a delay of a few weeks” in certification due to issues affecting the aircraft’s motor. The air taxi features 18 motors and rotors powered by electricity from nine lithium-ion battery packs, giving it a range of about 19 nm at a cruise speed approaching 60 knots.

Hoke said the issue traces back to “an American supplier who was not capable of providing what he had promised.”

Passenger flights at the Olympics also faced political barriers from local French officials, many of whom characterized the project as environmentally harmful and air taxis as a service for the wealthy. In response, Volocopter and Groupe ADP have altered their tone by touting other use cases, such as emergency response.

Paris’ city hall even took legal action against the proposal, but according to AFP, French administrative officials ruled against it “pending a decision on the merits of the case, expected in the autumn.”

Though Volocopter failed to meet its goal, the company will have another chance to showcase its aircraft on the world stage at the 2028 Olympic and Paralympic Games in Los Angeles. By then, the FAA expects to have laid the groundwork for commercial air taxi routes to be flown routinely.

Manufacturer Archer Aviation earlier this month expressed its desire to be flying in the city by the time the Games begin, while competitors Joby Aviation and Wisk Aero, the eVTOL subsidiary of Boeing, plan to operate there as well. Wisk further intends to demonstrate its self-flying design at the 2032 Olympic and Paralympic Games in Brisbane.

The companies’ objective is to boost public acceptance of the novel aircraft, which they claim will be far quieter and more sustainable than helicopters. Some have already managed to convince major U.S. airlines, including United Airlines, Delta Air Lines, and Southwest Airlines, to make investments or commitments to the technology.

Among American manufacturers, Archer and Joby are the closest to receiving type certification. Both companies hope to begin flying passengers next year.

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Electra Completes Grass Field Takeoffs With Less Than 300 Feet https://www.flyingmag.com/modern/electra-completes-grass-field-takeoffs-with-less-than-300-feet/ Fri, 19 Jul 2024 16:41:17 +0000 /?p=211793 The manufacturer’s hybrid-electric short takeoff and landing (eSTOL) design goes airborne at neighborhood driving speeds through the use of blown lift propulsion.

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Electra, the developer of a hybrid-electric short takeoff and landing (eSTOL) aircraft capable of getting airborne from soccer field-sized spaces, this week completed a set of successful test flights—taking off from a field.

The manufacturer’s EL-2 Goldfinch, which first flew in May, got its first off-runway action when it lifted off from a grassy area smaller than 300 feet near a company facility in Manassas, Virginia.

The company has multimillion dollar contracts across the military, with the Air Force, Army, and Navy all exploring the use of eSTOL technology. The relatively cheap, runway-independent aircraft are viewed as an attractive alternative to conventional fixed wing aircraft and rotorcraft

Electra said the demonstrator completed several takeoffs and landings, climbing at a steep angle of 32 degrees. The aircraft did not require electric charging infrastructure, as many electric vertical takeoff and landing (eVTOL) air taxis do, because its propulsion unit charges the batteries in flight.

All the while, the Goldfinch produced just 55 decibels of noise, equivalent to the volume of a typical conversation, while flying overhead at 500 feet. Electra says its full-scale design, which will carry nine passengers or up to 2,500 pounds of cargo on trips up to 500 sm (434 nm), will be inaudible from the ground at its typical cruise altitude.

It seeks to certify a full-scale model under FAA Part 23 regulations by 2028.

“eSTOL technologies increase the number of available landing sites by orders of magnitude relative to traditional fixed wing aircraft while providing for higher cruise speeds, lower costs, and lower noise than vertical lift solutions,” said JP Stewart, vice president and general manager of Electra. “These first flights from a field demonstrate the beginnings of this strong capability that we will continue to develop.”

Electra’s eSTOL achieves its incredibly short runway requirement through the use of blown lift propulsion. Airflows are guided over the wing into flaps and ailerons that redirect them toward the ground, adding to thrust from the aircraft’s eight electric motors. This allows the vehicle to take off at what Electra describes as neighborhood driving speeds.

[Courtesy: Electra]

Though the manufacturer has several commercial customers lined up for its flagship design, it also views the eSTOL as ideal for airlift operations and agile combat employment, a U.S. Air Force doctrine that calls for the rapid deployment of assets to dispersed locations.

The military will be its first customer, but Electra in January surpassed 2,000 aircraft preorder sales from private partners including JSX, Bristow Group, and JetSetGo.

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What to Know About Boeing Starliner’s First Crewed Test Flight https://www.flyingmag.com/what-to-know-about-boeing-starliners-first-crewed-test-flight/ Wed, 01 May 2024 20:41:36 +0000 https://www.flyingmag.com/?p=201754 NASA intends to deploy the reusable capsule for crew rotation missions to the International Space Station, but the program has been marred by delays.

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A historic NASA launch planned for early next week could have major implications for the space agency’s Commercial Crew Program, which ferries astronauts to the International Space Station (ISS) and low-Earth orbit in partnership with private companies.

Boeing’s CST-100 Starliner, a semireusable vessel to the ISS that has been marred by nearly a decade of delays, will finally make its first crewed flight test on Monday, barring any further hiccups. Boeing on Friday confirmed that NASA gave Starliner the “go to proceed.”

If the mission—intended to be Starliner’s final test flight—is successful, NASA will work to certify the spacecraft for routine, six-month crew rotation missions to the space station, beginning with Starliner-1, scheduled for 2025. Starliner’s crew capsule is designed to be reusable over 10 missions.

Commercial Crew is one of the linchpins of U.S. space exploration efforts. The program—a public-private partnership between NASA and companies such as Boeing, SpaceX, and Blue Origin—transports and swaps out the astronaut crews responsible for critical research on the orbital laboratory.

Used by astronauts and private companies from around the world, the space station is the only facility that allows researchers to investigate the effects of long duration spaceflight as NASA gears up for future missions to the moon, Mars, and beyond.

Since crew rotation missions began in 2020, all eight missions—including Crew-8, which is still in progress—have been facilitated by SpaceX’s Crew Dragon. The missions have also used the company’s Falcon 9 launch vehicle.

Boeing—which since 2014 has battled SpaceX for supremacy in the commercial crew program—has yet to launch a crewed flight of its Starliner, which NASA views as a redundant but important alternative to Crew Dragon. But the manufacturer on Monday has a chance to throw its hat in the ring.

“As the final flight test for Starliner, NASA’s Boeing Crew Flight Test will validate the transportation system, including the launch pad, rocket, spacecraft, in-orbit operational capabilities, and return to Earth with astronauts aboard,” NASA said in a mission profile on its website.

A successful crewed flight test would represent the final barrier to the start of Boeing’s commercial contract with NASA, under which the partners are obligated to complete six crew rotation missions. These would represent the manufacturer’s first commercial human spaceflight missions. SpaceX, so far, has flown astronauts to the space station 11 times.

A Decade of Delays

Commercial Crew is NASA’s effort to transport astronauts to the ISS from American soil, using U.S.-built rockets and spacecraft. By involving private companies such as Boeing, a rarity for the agency in years past, the idea was to reduce costs and complexity while keeping missions safe and on schedule.

Boeing unveiled the concept for the CST-100 Starliner—with CST standing for Crew Space Transportation and 100 denoting the Kármán Line, a boundary 100 kilometers above the Earth informally considered to be the edge of space—in 2010. The manufacturer claimed the spacecraft could be operational within five years.

That prediction did not come to fruition. By 2014, NASA had narrowed down its search for a reusable Commercial Crew capsule to two candidates: Starliner and SpaceX’s Crew Dragon.

Each company was awarded billions of dollars to build and certify an aircraft by 2017, the year they were expected to be ready for a first crewed flight test. Boeing’s $4.2 billion contract includes six service missions plus uncrewed and crewed test flights to the space station.

Neither company met its deadline. But Crew Dragon made its first flight with astronauts in 2020. The same can not be said for the Starliner program, which for nearly a decade has been bogged down by delays.

The first uncrewed Starliner Orbital Test Flight Mission, scheduled for 2017, was delayed three times to 2019. Half an hour into that flight, an anomaly forced NASA to abort a planned docking with the space station. Though the mission to the orbital laboratory was scrapped, the spacecraft was safely recovered.

A second uncrewed orbital test flight, OFT-2, was also delayed more than a year due to valve problems late in the initial countdown. It eventually launched in 2022, reaching the ISS for the first time and meeting all mission objectives.

The prelude to Starliner’s first crewed test flight sounds like a familiar tune. The mission was pushed back several times in 2023, culminating in an indefinite delay caused by a pair of issues discovered just weeks before a planned launch in July.

All told, the program has overrun planned costs by $1.5 billion. According to a NASA Office of the Inspector General report, the space agency committed to additional flights and payments not specified in its original contract, in a bid to keep Boeing as a contractor.

The delays to Starliner have forced NASA to put all of its eggs in SpaceX’s basket, jeopardizing Commercial Crew missions should Crew Dragon—which so far has proven reliable—experience issues. But with the agency giving its all clear last week, the long-awaited rocket spacecraft appears set to finally make its debut.

The Mission

Starliner was designed and built by Boeing with the help of more than 425 suppliers. Early missions, including next week’s planned flight, will be launched by United Launch Alliance’s Atlas V launch vehicle. But the spacecraft is billed as “launch vehicle agnostic,” compatible with vehicles in the medium-lift launch class.

Starliner’s unique weldless structure was devised with reusability in mind. Its service modules are expendable, but its crew module can be reused up to 10 times, according to Boeing. The crew module can fit seven crewmembers, but NASA missions will include four or five astronauts.

Combined, the crew and service modules have 40 reaction control system thrusters, which aid in control and steering. While the vehicle is designed to be autonomous, Boeing has trained the crew to be able to take over.

The service module has an additional 20 orbital maneuvering and attitude control thrusters and four launch abort engines, which, combined with a pusher abort system, provide an escape route in the case of emergency during launch or ascent. Stacked on top of Atlas V, the spacecraft stands just over 170 feet.

Commander Barry “Butch” Wilmore and Pilot Sunita “Suni” Williams will command next week’s planned mission. Both are experienced NASA astronauts with multiple spaceflights in the books. During the crewed test flight, Wilmore and Williams will be the first to launch on Starliner and Atlas V and manually control Starliner.

The astronauts’ goal will be to validate the transportation system, including the launch pad, rocket, spacecraft, and in-orbit capabilities, for future missions. 

Before, during, and after their weeklong stay on the space station, the crew will perform an array of tests designed to support the spacecraft’s certification. These include evaluations of equipment such as suits and seats from prelaunch through ascent, as well as assessments of communications, manual and automated navigation, life support systems, and thrusters while aboard the orbital lab.

Boeing has been “tasked with operating the entire mission,” including launch, in-orbit operations, landing, recovery and refurbishment. The company is also responsible for crew training, mission planning, spacecraft and launch vehicle assembly, and testing and integration.

Starliner arrived at Cape Canaveral Space Force Station in Florida on April 16, where it will launch from historic Space Launch Complex-41. To this point, the launch pad has only hosted uncrewed spacecraft. The spacecraft has already been stacked, with crew preparations well underway.


About 15 minutes into the mission, the Starliner capsule will separate from the booster. Orbital maneuvering and attitude control thrusters will kick in about 30 minutes in, performing an engine burn to align it in orbit and start the approximately daylong sojourn to the space station.

Cameras onboard the capsule will pick out the moving laboratory from among a sea of fixed stars as it approaches to within a few hundred feet over the following few hours. Once flight controllers give the all clear, Starliner will approach and dock autonomously with one of two Boeing-built docking adapters—another critical test.

NASA will provide continuous coverage leading up to the docking through the opening of the hatch. On Thursday, four crewmembers already aboard the space station will relocate a Crew Dragon capsule to a different docking port, making way for the SpaceX rival’s alternative.

After spending a few days evaluating the spacecraft and its systems, Wilmore and Williams will return to Starliner, which will slowly undock from the space station and position itself over the Pacific Ocean. The service module will slow it from orbital speeds of about 17,500 mph as the crew module detaches. It will then accelerate back to Earth into a parachute landing in the Western U.S., touching down at just 4 mph.

What It Means

Starliner’s first crewed test flight has plenty of implications for Boeing, NASA, and U.S. ambitions in space more broadly.

On the commercial side, failure could deal a blow to the aerospace giant, which is under contract for six NASA service missions following the flight. The company also has ambitions to attract other customers, such as Jeff Bezos’ Blue Origin, describing NASA as Starliner’s “anchor customer.”

The test flight comes as Boeing rival SpaceX continues to thrive. Before Boeing completes its first crewed mission to the space station, its rival has already completed 11 such missions—eight crew rotation missions and three private astronaut missions with customer Axiom Space—and is preparing to fly astronauts to the moon on NASA’s Artemis III.

In addition, Boeing plans to sell the extra fifth seat on its NASA missions to private and commercial- or government-sponsored astronauts. Any ambitions for private commercial spaceflight will depend on next week’s mission.

NASA would also suffer from another setback to Starliner. The space agency hopes for the space station to be continuously crewed as it uses the orbital laboratory to explore future missions to more distant destinations, such as the moon or Mars. At the moment, it is too reliant on SpaceX.

“Our hearts and souls are in this spacecraft, and a little part of us will be lifting off with Butch and Suni,” said Dana Hutcherson, deputy manager of NASA Commercial Crew and a 13-year veteran of the program.

NASA envisions visiting spacecraft such as Starliner being used as “safe havens” in the event of a contingency aboard the space station, such as depressurization, fire, or potential collision.

One such contingency took place in December 2022, when the Soyuz MS-22 capsule that transported NASA astronaut Frank Rubio to the space station sprung a coolant leak, stranding Rubio and two Roscosmos cosmonauts in orbit for months. Rubio’s 355 consecutive days aboard the ISS—his first stint in space—are now a NASA spaceflight record.

SpaceX has been a reliable partner for NASA, having not suffered an incident in service thus far. But the agency wants a contingency plan. For example, in Rubio’s case, NASA was prepared to get its astronaut home in an extra seat on a scheduled Crew Dragon launch. The backup spacecraft was not needed, but it could have rescued Rubio had Roscosmos not delivered a replacement Soyuz in time.

Boeing is also developing launch vehicles for planned NASA lunar landings during Artemis II and Artemis III. Starliner is further intended to transport personnel to the Orbital Reef, a new space station under development by Blue Origin in partnership with NASA.

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Boom Supersonic Announces First Flight of XB-1 Jet Demonstrator https://www.flyingmag.com/boom-supersonic-announces-first-flight-of-xb-1-jet-demonstrator/ Fri, 22 Mar 2024 21:08:31 +0000 https://www.flyingmag.com/?p=199052 XB-1 flight testing and evaluations will inform development of Boom’s Overture, a supersonic jet designed to carry 64-80 passengers twice as fast as subsonic airliners.

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More than two decades ago, Concorde, the only successful supersonic airliner, was retired for good. But Friday, at Mojave Air & Space Port (KMHV) in California—where the Bell X-1 broke the sound barrier for the first time in 1947—another supersonic aircraft made its maiden voyage.

Boom Supersonic’s XB-1 jet demonstrator did not reach supersonic speeds during the test flight. But the inaugural flight of the aircraft—a precursor to Boom’s supersonic, sustainable aviation fuel-powered Overture—marks a key milestone nonetheless.

“When I last flew Concorde in 2003, I knew that this day would come,” said Captain Mike Bannister, former chief Concorde pilot for British Airways. “The first flight of the XB-1 supersonic demonstrator is a significant achievement toward making sustainable supersonic flight a reality.”

The XB-1, which Boom says is the world’s first independently developed civil supersonic jet, combines carbon fiber composites, advanced avionics, digitally optimized aerodynamics, and an advanced supersonic propulsion system. These technologies will also be present on Overture, which is being developed to carry 64-80 at twice the speed of subsonic airliners.

The demonstrator is 62.6 feet long with a 21-foot wingspan. Its three GE J85-15 engines produce a combined max thrust of 12,300 pounds of force. Boom chief test pilot Bill “Doc” Shoemaker took it off the runway at Mojave Air & Space Port, flying in the same airspace that has hosted many historic first flights.

The XB-1 gears up for takeoff from the runway at Mojave Air & Space Port in Mojave, California, on Friday, March 22. [Courtesy: Boom Supersonic]

“I’ve been looking forward to this flight since founding Boom in 2014, and it marks the most significant milestone yet on our path to bring supersonic travel to passengers worldwide,” said Blake Scholl, founder and CEO of Boom Supersonic.

A T-38 chase aircraft monitored the XB-1 in the air, verifying factors such as altitude, airspeed, and airworthiness during flight. The company performed an initial assessment of the XB-1’s handling qualities, including airspeed checks with the chase aircraft, and assessed its stability in the landing attitude at a high angle of attack.

According to Boom, the aircraft met all of its test objectives. These included achieving an altitude of 7,120 feet and speeds up to 238 knots (273 mph).

The test flight is meant to validate the XB-1’s key technologies, such as an augmented reality vision system comprising two nose-mounted cameras that feed a high-resolution pilot display.

Another crucial component tested was the engine, which converts kinetic energy to pressure energy with supersonic intakes that slow supersonic air to subsonic speeds. Boom says this will allow conventional jet engines to power Overture from takeoff through supersonic flight.

A look at the XB-1’s high-resolution pilot display. [Courtesy: Boom Supersonic]

The next step for the engineering team will be expanding the flight envelope for the XB-1. That will allow it to validate its performance and handling qualities through and beyond Mach 1, speeds Overture is expected to reach.

Boom intends for Overture to fly at Mach 1.7, or just over 1,300 mph. For comparison, Concorde flew at Mach 2. But unlike Concorde, Overture is designed to run on 100 percent SAF.

Leonardo is the engineering lead for the Overture’s fuselage structural components integration and will manufacture the aircraft’s composite structure. Other parts that will come from suppliers include wings designed by Aernnova, nacelles manufactured by Collins Aerospace, and Honeywell’s Anthem flight deck.

Scholl previously told The New York Times that the company’s goal is to fly passengers anywhere in the world within four hours—for only $100. That’s inexpensive compared to most one-way commercial flights, let alone Concorde, which cost passengers thousands of dollars.

Boom’s Overture is designed to carry 64-80 people at supersonic speeds for just $100 per passenger. [Courtesy: Boom Supersonic]

However, don’t worry about supersonic booms over your backyard. Overture will only fly supersonic on overwater routes, since the FAA has banned it over the continental U.S.

Boom’s order backlog for Overture includes 130 orders and preorders, including 15 aircraft for American Airlines and 20 apiece for United Airlines and Japan Airlines.

The manufacturer’s $60 million U.S. Air Force contract should help speed development of the aircraft, giving it a potential customer as well. Boom is also partnered with Northrop Grumman to design a special mission variant of Overture for potential U.S. military operations, disaster response, and high-speed surveillance.

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SpaceX Starship Grounded Again https://www.flyingmag.com/spacex-starship-grounded-again-after-most-successful-test-flight-yet/ Thu, 14 Mar 2024 21:03:20 +0000 https://www.flyingmag.com/?p=198089 The FAA begins a third mishap investigation into SpaceX’s Starship rocket and Super Heavy booster, which were lost during a test Thursday.

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In what feels increasingly like a bout of déjà vu, SpaceX’s Starship—the largest and most powerful rocket ever flown—has been grounded again.

The FAA on Thursday initiated its third mishap investigation into Starship after the 400-foot-tall spacecraft and booster were lost during its third orbital test flight. Both components are intended to be reusable.

Starship will remain grounded until the FAA concludes its investigation and awards a fresh launch license. However, Thursday’s flight undoubtedly built on previous Starship missions, during which the rocket and booster exploded minutes after takeoff. This time around, they flew halfway around the planet.

Starship stands taller than the Statue of Liberty and on Thursday generated nearly twice the thrust of NASA’s Space Launch System, which owned the previous record. Orbital test flights are intended to evaluate the spacecraft’s capabilities for NASA Artemis moon missions, which aim to return humans to the lunar surface for the first time in half a century.

Starship and the Super Heavy booster lifted off Thursday morning from Starbase, SpaceX’s launch pad in Boca Chica, Texas. The spacecraft generated 16 million pounds of thrust from 33 Raptor engines, the most ever in a rocket booster.

Unlike past attempts, Thursday’s mission, OT-3, traveled nearly halfway around the Earth as intended. For the first time, Starship reached space. But when the rocket reentered the atmosphere about 45 minutes into the mission, SpaceX lost communications. The company later said the vehicle did not survive reentry. Starship was intended to splash down in the Indian Ocean, and the booster in the Gulf of Mexico.

However, while not fully completed, the mission was vastly more successful than previous flights. Starship for the first time demonstrated the ability to reach orbital speeds and open its payload door—which could one day deploy Starlink satellites and other cargo—during flight.

Another crucial feat was a liquid oxygen transfer between two tanks, part of a NASA tipping-point demonstration and a key capability for missions to the moon and beyond.

A SpaceX representative estimated the company will need to complete 10 refueling missions before its Starship Human Landing System (HLS)—the capsule that will transport astronauts to the moon during Artemis III—can land on the lunar surface. The representative did not convey how many orbital test flights will be required, but Starship will need to complete at least one mission in full before moving to the next phase.

With three orbital test flights under Starship’s belt, SpaceX CEO Elon Musk on Tuesday predicted the rocket will complete six more this year—an unprecedented number for a new super heavy lift rocket.

Though the flight undoubtedly builds upon Starship’s previous missions, the FAA will nevertheless investigate the loss of communications, which it said affected both the rocket and booster.

A mishap investigation is standard whenever a launch does not go according to plan. The goal is to determine the root cause of the event and identify corrective actions to keep it from happening again.

The regulator said it would be involved in every step of the process. It will need to approve SpaceX’s final report, including any corrective actions the company intends to take, before a license can be reissued.

“A return to flight is based on the FAA determining that any system, process, or procedure related to the mishap does not affect public safety,” the agency said. “In addition, SpaceX may need to modify its license to incorporate any corrective actions and meet all other licensing requirements.”

No public injuries or property damage were reported from OT-3, the FAA said. That was not the case during Starship’s first test flight, which damaged buildings and sent plumes of ash and debris flying miles away.

The investigation into that incident closed within seven months, and the agency’s second inquiry was completed in just three months. Since Thursday’s test was far more successful than the previous two, and no injuries or damage were reported, the investigation timeline may be on the shorter side.

Accidents are not particularly uncommon for spacecraft. In fact, a Japanese rocket called Kairos and a Chinese model called Yuanzheng-1S both suffered anomalies this week. But the delays caused by Starship investigations may have implications for the Artemis missions.

NASA Administrator Bill Nelson congratulated SpaceX on Thursday’s test flight. But with Americans’ return to the moon aboard Artemis III now delayed to 2026, the agency will be expecting a usable Starship HLS by then. Jim Free, associate administrator of NASA, predicted vehicle’s development may take more time than previously thought.

Musk, meanwhile, has touted Starship as a ferry to Mars, envisioning trips to the Red Planet carrying hundreds of humans at a time. Those ambitions will depend on SpaceX ironing out the kinks with the 400-foot-tall rocket and booster.

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