Sustainability Archives - FLYING Magazine https://cms.flyingmag.com/tag/sustainability/ The world's most widely read aviation magazine Wed, 17 Jul 2024 20:06:55 +0000 en-US hourly 1 https://wordpress.org/?v=6.4.4 Supersonic, Rocket-Powered Aircraft Gets All Clear to Break Sound Barrier https://www.flyingmag.com/modern/supersonic-rocket-powered-aircraft-gets-all-clear-to-break-sound-barrier/ Wed, 17 Jul 2024 20:06:51 +0000 /?p=211586 New Zealand manufacturer Dawn Aerospace is developing ‘an aircraft with the performance of a rocket’ for suborbital space transportation.

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A New Zealand company developing a supersonic, remotely operated, rocket-powered aircraft has been given the all clear to break the sound barrier.

Dawn Aerospace, manufacturer of the Mk-II Aurora, announced that New Zealand’s Civil Aviation Authority (CAA) has granted it approval to fly at “unlimited” speeds at up to 80,000 feet in altitude. The company is permitted to fly beyond the visual line of sight (BVLOS) of a remote pilot and will not be limited to restricted airspace.

Dawn describes the Aurora as “an aircraft with the performance of a rocket.” According to the company, the aircraft is designed to be the first vehicle capable of flying to the Kármán line—which at about 100 kilometers in altitude is considered the edge of space—twice in one day.

“This unlocks the next major performance milestone for the Mk-II vehicle, namely supersonic flight,” said Stefan Powell, CEO of Dawn. “To the best of our knowledge, this would be the first privately funded [uncrewed aerial vehicle] to break the sound barrier.”

The only successful supersonic airliner, Concorde, which was developed by two now-defunct manufacturers, was retired more than two decades ago. But a new crop of companies, including Dawn and Boom Supersonic, are trying to break the sound barrier again.

Unlike Boom’s Overture, which is being developed as a passenger airline, Dawn’s Aurora is intended for space transportation.

The Mk-II first flew in 2021 and has since completed more than 50 test flights, operating under both jet and rocket power. It last flew in 2023, reaching 200 knots at an altitude of 9,000 feet. But those flights were under a more restrictive license than the one obtained by the company last week.

The goal of the firm’s upcoming campaign, which will comprise about a dozen flights between July and September, is to reach Mach 1.1—the boundary of supersonic speed—at an altitude of 70,000 feet. It hopes to fly to space twice in one day and spend about 180 seconds in microgravity.

If it achieves all objectives, the company believes it would set records for speed, altitude, and climb rate for a self-powered aircraft.

Dawn’s primary business is manufacturing propulsion systems for satellites, and it has 76 thrusters in space. But the company is now looking to enter the suborbital space.

The Aurora is a first-stage demonstrator for the company’s more robust Mk-III—a two-stage-to-orbit model that will take off from the runway and deploy a 250 kilogram satellite at the apex of its flight path.

According to Dawn, it is remotely piloted, low cost, and “rapidly reusable,” designed to fly multiple times per day and between 100 and 1,000 times over its lifespan.

Its engine uses storable, “aircraft friendly” propellants that allow the vehicle to take off without having to wait to be fueled. The engine is also carbon neutral, producing no hydrocarbons during operation.

“Room temperature storable propellants will not boil off, and carbon fiber will not suffer from microcracking, as is common in cryogenic composite tanks,” the company says on its website.

Dawn chose a winged design in order to reduce the risk of an engine malfunction, which could jeopardize the landing—and therefore reusability—of the Mk-II. It will be certified as an aircraft in New Zealand. The model takes off like a conventional aircraft, accelerating to Mach 3 speeds and bending upward into a near-vertical route. On the way down, it descends and glides horizontally back to the runway.

Dawn’s first phase of aircraft testing, conducted with the company’s jet-powered Mk-I, comprised eight hours of flight time across 47 flights. After receiving CAA approval for rocket-powered flight in March 2023, it began flying in just a few weeks.

So far, the Mk-II has made three rocket-powered flights, completed within a three-day span a little over one year ago, as part of the second phase of aircraft development, with the goal of reaching the Kármán line under certification.

According to a blog post from Powell, the current version of the vehicle has a maximum altitude of about 60,000 feet, which will require the company to develop a more powerful variant called the Mk-IIB.

“At full performance, the Mk-II will fly faster and 2.5 times higher than any prior aircraft that takes off from a runway, including the current record holder, the SR-71 Blackbird,” said Powell. “That is the power of bringing rocket performance to an aircraft platform.”

Despite being a demonstrator, Dawn plans to one day use the aircraft for Earth observation, high-speed flight research, in-space science including microgravity research, and even civil and defense applications. According to Powell, the company is already fielding interest in a commercial version of the Mk-II and will be in a “prime position” to roll one out once it reaches the Kármán Line.

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Sirius Unveils 2 Hydrogen-Powered Luxury Business Jets https://www.flyingmag.com/news/sirius-unveils-2-hydrogen-powered-luxury-business-jets/ Mon, 24 Jun 2024 21:27:24 +0000 /?p=210169 The manufacturer claims the models will comprise the first family of hydrogen-powered, zero-emission, vertical takeoff and landing (VTOL) jets.

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Swiss manufacturer Sirius Aviation has unveiled two hydrogen-powered luxury business jets developed in collaboration with Designworks, the creative design studio of automaker BMW.

The company showcased its Sirius CEO-Jet and Sirius Adventure Jet—the initial entrants into what it claims will be the first family of hydrogen-powered, zero-emission, vertical takeoff and landing (VTOL) capable aircraft—on Thursday at the Move Expo in London.

The models will be powered by a hydrogen-electric powertrain and fuel tank—a propulsion system designed to extend flight time compared to fully electric models. Similar to the Lilium Jet, the aircraft will feature electric ducted fans embedded in fixed wings and canards to provide vertical lift.

Both the CEO-Jet and Adventure Jet are expected to emit less than 60 dBA of noise at a distance of 100 meters—about the volume of a typical conversation—using what Sirius describes as a “deflected vectored thrust” propulsion system. The company claims they will reduce noise by about 95 percent compared to helicopters.

The CEO-Jet, designed to seat three passengers, will serve the private business aviation segment, combining zero-emission flight with luxurious, customizable amenities.

The Adventure Jet, on the other hand, is designed primarily for passenger and cargo transport but can also handle medical evacuations, search and rescue, firefighting, surveillance, and offshore operations. It seats up to two pilots and as many as five passengers, with a maximum takeoff weight of about 7,700 pounds, handling point-to-point trips to remote destinations such as jungles or mountaintops. It will even have an inflatable pontoon, allowing it to glide over water.

The latter design comes equipped with GPS, Doppler radar, very high frequency (VHF) and ultra high frequency (UHF) radio, and a digital autopilot system capable of hover and approach.

“The CEO-JET offers an eco-friendly option for business travel, while the Adventure Jet opens new horizons for global tourism and exploration,” said Alexey Popov, CEO of Sirius.

Founded in 2021, Sirius set out to design an aircraft that could combine the aerodynamics of an airplane with the versatility of a helicopter. The concept for a family of hydrogen-powered business jets first emerged in January, and the company shared more information in the weeks leading up to Move Expo.

The Sirius Jet’s calling card is its propulsion system—a hydrogen-electric powertrain that energizes 28 electric ducted fans, 20 embedded in the wings and eight mounted in the canard. Together with a pressurized cabin, these fans are designed to help the aircraft reach an altitude of 30,000 feet.

The fans are linked individually to one of 28 electric motors, each weighing about 21 pounds and containing a proprietary thermal management system. Air drawn through the jet’s intake passes through a cooling system and into onboard liquid hydrogen tanks. It is then channeled to a fuel cell stack, which has a high weight-to-power density ratio ideal for storing hydrogen.

Within the fuel cell, hydrogen and oxygen react to create water and electricity, the latter of which is directed to a set of battery packs that power the electric motors. The packs recharge during flight, are active for only 90 seconds per flight cycle, and do not need to be replaced, Sirius says. Water, a byproduct, is released through the exhaust valve.

By Sirius’ estimate, it would cost only $500 to fully refill the fuel tank. The company further claims the propulsion system makes its aircraft more efficient than electric VTOL (eVTOL) counterparts.

The Lilium Jet, for example, has a range of about 155 sm (135 nm); the Sirius CEO-Jet will max out at around 1,150 sm (1,000 nm), while the Adventure Jet can reach that range using its additional fuel tanks. Further, the CEO-Jet’s cruise speed and Adventure Jet’s top speed—323 mph (280 knots)—is more than double the Lilium Jet’s (155 mph, or 135 knots).

A potential CEO-Jet network in the U.S. could encompass New York City, Chicago, Kansas City, Missouri, New Orleans, and Miami. The Adventure Jet, meanwhile, could connect San Francisco, Los Angeles, Las Vegas, and Phoenix. According to Sirius, the network would offer “a 4-[time] improvement in travel efficiency compared to conventional methods” such as car or traditional airplane.

At the same time, the hydrogen-powered aircraft are billed as offering the luxury of a conventional business jet. Customers have the option, for example, to customize interior colors, upholstery, amenities—including champagne fridges, custom bathrooms, art installations, and kitchens—lighting, and flooring materials such as marble, hardwood, or carpet. Passengers can even pick the scent they smell when they enter the aircraft.

Both models are equipped with an airframe parachute system that deploys automatically in case of emergency, which Sirius claims reduces risk to “virtually zero.”

Sirius hopes to set up serial manufacturing and obtain certification for the Sirius Jet family before 2028. Next year, it expects to complete an inaugural flight using a demonstration plane and open sales of 50 business jets, with deliveries beginning in 2028. By the end of the decade, it intends to launch a shuttle network across the Americas, European Union, and Gulf Cooperation Council (GCC) countries.

So far, Sirius has received an order from Indian seaplane operator Mehair for 50 Adventure Jets plus 50 options, with another from Indonesian tourism firm Parq Development for five CEO-Jets and Adventure Jets apiece.

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Lilium Eyes eVTOL Jet Flights in French Riviera by 2026 https://www.flyingmag.com/modern/lilium-eyes-evtol-jet-flights-in-french-riviera-by-2026/ Tue, 28 May 2024 20:15:42 +0000 /?p=208482 The German manufacturer partners with vertiport network operator UrbanV and its parent company, Aéroports de la Côte d’Azur, which manages several airports in the region.

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Electric vertical takeoff and landing (eVTOL) jet manufacturer Lilium on Tuesday unveiled plans to introduce its flagship Lilium Jet in the South of France.

The German manufacturer announced it will build a vertiport network for the zero-emissions aircraft in the French Riviera, connecting Monaco, Marseille, Nice, Cannes, Golfe de Saint-Tropez, Aix-en-Provence, and Sophia Antipolis. It aims to launch flights in 2026.

Lilium signed a partnership with Italian vertiport network operator and Airbus partner UrbanV as well as Aéroports de la Côte d’Azur (ACA), which manages Cannes Mandelieu Airport (LMFD), Golfe de Saint-Tropez Airport (LFTZ), and Nice Côte d’Azur Airport (LMFN): the country’s second-largest airport, transporting an estimated 14 million passengers annually. UrbanV is a subsidiary of Aeroporti di Roma, SAVE Group, Aeroporto di Bologna, and ACA, which has committed to achieve carbon neutrality without offsetting its own emissions by 2030.

Lilium’s French Riviera ecosystem will include vertiports at these locations and others under consideration. It is in discussions with local partners to construct additional takeoff and landing sites in Sophia Antipolis, Aix-en-Provence, and Marseille, with the expectation that those agreements will be finalized by year’s end.

“Our territory offers a unique opportunity to fly over the sea to directly connect the main economic, cultural or tourist destinations,” said Franck Goldnadel, chairman of the board of ACA. “A complementary alternative to the helicopter, the eVTOL has its place in the air transport offered from Nice Côte d’Azur.”

Lilium’s flagship jet, combined with electric ground infrastructure from UrbanV, should help remove some emissions from France’s premium and business aviation segments.

Unveiled to the public for the first time last week at the European Aviation Business Convention and Exhibition (EBACE) in Geneva, the aircraft is designed to cruise at 162 knots on city-to-city trips spanning 25-125 sm (22-109 nm). Thirty-six electric ducted fans embedded in the aircraft’s fixed wings provide vertical propulsion and are shielded by flaps during forward flight.

Lilium on Tuesday said it is in talks with several operators interested in purchasing and operating the Lilium Jet in the French Riviera, which accommodates millions of tourists every year. Already, it has an agreement with Austrian private jet operator GlobeAir for the intended purchase and operation of 12 aircraft in the South of France and Italy.

“As a truly European company based in Munich, Germany, with flight testing in Spain and with nascent roots in France, Lilium is extremely proud to be able to assist in the creation of the first regional eVTOL network in the South of France and the first commercially viable network in the E.U.,” said Sebastien Borel, chief commercial officer of Lilium. “We see an enormous potential in this region and cannot wait to see our Lilium Jet fly there soon.”

The multifaceted partnership comes after Lilium entered “advanced” talks with the French government to add a high-volume aircraft production facility in the country. The company is considering several locations and expects to invest up to 400 million euros (about $432 million) into the site over several years. In addition, it already sources aircraft components from French suppliers Saint-Gobain Aerospace, Michelin, and Expliseat.

Lilium in December began building the first of seven production prototype Lilium Jets at its final assembly line in Wessling, Germany. Both it and the French facility are intended to supply fleets globally.

In the U.S., the manufacturer is working alongside newly formed operator UrbanLink Air Mobility, Orlando International Airport (KMCO), and other stakeholders to build an initial eVTOL network in South Florida. It is collaborating with FBO network Atlantic Aviation to electrify more than 100 Atlantic terminals nationwide.

Lilium also hopes to introduce its flagship aircraft in China, the Philippines, the Middle East, South America, and across Europe, the latter in partnership with Lufthansa.

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United Turns to Oscar the Grouch to Spread SAF Awareness https://www.flyingmag.com/united-turns-to-oscar-the-grouch-to-spread-saf-awareness/ Fri, 17 May 2024 18:39:53 +0000 https://www.flyingmag.com/?p=203073 The airline has named the Muppets character its chief trash officer.

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Oscar the Grouch, a star of Sesame Street, is gaining a new audience through a series of short commercials for United Airlines. 

Oscar, well-known for his affinity for trash, has been dubbed United’s chief trash officer and is helping the airline educate the public about sustainable aviation fuel (SAF). 

SAF is made primarily of waste products, such as used cooking oil and agricultural waste feedstocks. According to United, it can be used in combination with conventional fuel in aircraft in accordance with current blending requirements, resulting in lower carbon dioxide emissions.

“SAF is one of the ways we’re planning to reduce our carbon footprint across United’s fleet,” the company said. “Investing in and using more SAF across the entire airline industry will help fly us all toward a lower carbon future.”

Since SAF is basically created from garbage, it made sense to have a trash expert like Oscar to be the company spokesperson for the effort.

The Muppets are an ensemble cast of puppet characters created in the 1960s by Jim Henson and Jon Stone. Oscar is a fluffy green creature with bushy dark eyebrows that gave him a permanent scowl. He spends most of his time seated in a garbage can and extolling the virtues of trash.

United has several short videos starring Oscar the Grouch, beginning with one that shows how he saw a newspaper advertisement for a chief trash officer. With his 30-plus years of experience, how could he miss?

In other videos he plays opposite actual United employees who are excited about the use of SAF at the airline. He interacts with flight crews, sends junk mail to everyone in the world to let them know about United’s plans to power its airplanes on fuel made from waste materials. In another, he has a Zoom meeting with a Generation Z coworker with a sunny and upbeat disposition who wants to know how to spread the word that United is committed to lowering its carbon emissions by using SAF.

The campaign marks the latest SAF initiative for the airline. In February, Embraer announced it would join United Airlines Ventures’ Sustainable Flight Fund, an investment program aimed at increasing the supply of SAF through investment in related startup companies. The airline and its 22 corporate partners have committed more than $200 million to invest in companies working to decarbonize air travel. 

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Biden Administration Defines ‘Climate-Smart’ SAF Subsidy Program https://www.flyingmag.com/climate-smart-corn-based-saf-rules-defined/ Wed, 01 May 2024 17:06:26 +0000 https://www.flyingmag.com/?p=201729 The new guidance outlines how corn farmers can qualify for subsidies to supply feedstock for sustainable aviation fuel (SAF).

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The Biden administration has established rules for corn farmers to qualify for subsidies to supply feedstock for sustainable aviation fuel (SAF).

The corn is now used to make ethanol, which is added to gasoline, but the move to electric cars will diminish that market. Ethanol can be turned into jet-A, however, and will cut the carbon footprint of jet fuel.

The administration is proposing subsidies from $1.25 to $1.75 a gallon for farmers but only if they meet some conditions.

The farmers will have to use “climate-smart” farming practices, including the use of approved fertilizers. The resulting fuel must cut greenhouse gas emissions by at least half compared to jet-A made from fossil fuels.

The measures were met with approval from the farm community, but environmentalists are less enthusiastic. They are concerned a flood of ethanol-based SAF will hinder development of fuels that are even greener that the corn-based product.


Editor’s Note: This article first appeared on AVweb.

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Volar Looks to Commercialize eSTOL Aircraft in UAE https://www.flyingmag.com/volar-looks-to-commercialize-estol-aircraft-in-uae/ Mon, 29 Apr 2024 18:22:38 +0000 https://www.flyingmag.com/?p=201577 The Hong Kong-based firm is developing an aircraft-agnostic platform for on-demand, zero-emission trips.

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ABU DHABI, United Arab Emirates—Joby Aviation, Archer Aviation, and other manufacturers of electric vertical takeoff and landing (eVTOL) air taxis have made clear their intentions to fly in the United Arab Emirates. But the country plans to introduce more than just eVTOL models.

Hong Kong-based Volar Air Mobility, a company developing a fossil fuel-free aerial ride hailing platform that will use electric short takeoff and landing (eSTOL) aircraft developed by a partner in China, is one of the latest to signal interest in the UAE.

The firm signed a memorandum of understanding (MOU) with Abu Dhabi-based Inovartic Investment, laying the groundwork for a partnership that would commercialize a family of zero-emission aircraft in the country.

Agreed upon in advance of the inaugural DriftX—an Abu Dhabi-based conference that last week showcased cutting-edge technology in air, land, and sea transportation—the collaboration will cover aircraft distribution, post-sale services such as maintenance, repair, and overhaul (MRO), crew training, and, potentially, manufacturing and assembly capabilities in the UAE.

“This partnership marks a significant step towards integrating sustainable technologies in aviation, which is crucial for environmental conservation and technological advancement,” said Henry Hooi, CEO of Volar. “This aligns with the goals as outlined in the ‘UAE’s Net Zero by 2050’ agenda.”

Volar seeks to commercialize aircraft that are safe to fly, affordable, and offer on-demand flexibility and zero carbon emissions: a set of criteria it dubs “SAFE.” Its goal is to enhance regional accessibility to private aviation in suburban areas, where environmental concerns and existing aircraft configurations can make traditional airline operations impractical.

Volar’s proprietary, aircraft-agnostic platform is designed to facilitate air taxi ride hailing, complete with booking, check-in, and flight status updates. The first aircraft to join its fleet will be the RX4E: a four-seat eSTOL design being developed by partners at Liaoning General Aviation Academy, which works with the Chinese state-owned aerospace and defense conglomerate Aviation Industry Corporation of China.

The RX4E is built for one pilot plus four passengers, with a maximum takeoff weight just under 2,650 pounds. It will have a range of about 186 sm (162 nm) and cruise speed of 124 mph (108 knots). Batteries can be swapped out in about 10 minutes, minimizing downtime.

Volar deliberately picked an eSTOL configuration over an eVTOL or a drone for several reasons, Hooi told FLYING at DriftX. For one, Hooi said, it offers greater range and endurance. In addition, the company claims on its website that the RX4E will be more affordable and offer greater time savings compared to “conventional” private aviation options. One of the biggest benefits, though, is ease of certification.

“We believe that, from a regulatory perspective, eSTOL will be quicker to be adopted,” Hooi told FLYING.

The RX4E first flew in 2019 and is in the type certification process with China’s Civil Aviation Authority (CAAC). Volar claims the design will be the first commercial four-seat electric aircraft with Part 23 certification, which it expects to obtain by year’s end.

Unlike the tiltrotor designs common in the eVTOL space, Volar’s eSTOL uses a fixed configuration. The company says this will allow it to leverage regulatory frameworks similar to those for existing fixed-wing models.

The design also lacks the unique infrastructure needs of eVTOL aircraft, such as vertiports. In fact, Volar could reduce infrastructure requirements for operators, owing to the eSTOL’s ability to operate from shorter runways. According to Hooi, the company is developing models that can land on land, snow, or water.

Use cases for the eSTOL overlap somewhat with those proposed for eVTOL designs: private aviation, interisland transport, eco-tourism, medical logistics and evacuation, and services in rural areas with limited road infrastructure, to name a few.

But unlike many eVTOL air taxi companies, Volar’s focus is on the developing world, where it believes zero-emission aircraft can derive regional sustainability, accessibility, and economic benefits from aviation.

The firm envisions operations primarily in regions considered part of the “Global South.” It will first launch in the Association of Southeast Asian Nations (ASEAN) countries, a bloc of 10 nations that the company finds attractive due to its rapid economic growth and proximity to mainland China. After that, it will expand into African and Middle Eastern countries, such as the UAE.

“We fundamentally believe that the UAE is a fantastic hub for the potential development of green aviation in the region,” said Hooi.

Hooi said, for example, that he was recently approached with a proposition from a regional government in Southeast Asia. One of the country’s tourism sites lies atop an active volcano, requiring a three-day hike to reach it. The site is visited by as many as 100,000 tourists annually, who often leave a trail of rubbish in their wake.

Volar proposed flying tourists to the top of the volcano using an electric seaplane. Hooi said this could reduce the amount of trash on the trails and attract additional tourists by opening access to people incapable of making the three-day trek. He also suggested that by reducing travel time to the summit, visitors might spend more money at local restaurants and bars, bringing more economic activity to countries that rely heavily on tourism.

“You and I are not going to make an iota of difference if we cannot engage the rest of our communities to participate in collectively working towards a green environment,” Hooi said.

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IndiGo Places Order for 60 Rolls-Royce Engines https://www.flyingmag.com/indigo-airlines-places-order-for-60-rolls-royce-engines/ Thu, 25 Apr 2024 19:11:44 +0000 https://www.flyingmag.com/?p=201397 The sale of the Trent XWB-84 powerplants represents the manufacturer's largest with an Indian carrier.

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Rolls-Royce has landed its first  deal with low-cost carrier IndiGo, which has placed an order for 60 Trent XWB-84 engines, the manufacturer announced Thursday.

IndiGo is India’s largest airline, flying 100 million passengers in 2023.

“We are delighted to partner with Rolls-Royce for their future-ready Trent XWB engines as we expand our widebody aircraft fleet with an agreement to order a new fleet of A350-900 aircraft,” said Pieter Elbers, CEO of IndiGo. 

According to Rolls-Royce, the Trent XWB is the “world’s most efficient large aero engine in service,” offering a 15 percent fuel consumption advantage over the first generation of Trent engines. 

The engine also “goes farther on less fuel” and is certified to operate on a 50 percent sustainable aviation fuel (SAF) blend. The Trent XWB has also been proven compatible with 100 percent SAF for the future, the company said.

“This substantial order from IndiGo for our Trent XWB-84 engines is a great win for Rolls-Royce,” said Ewen McDonald, chief customer officer at Rolls-Royce. “It reaffirms the position of the Trent XWB as the future-ready, engine of choice among airline operators.” 

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Boeing Ready to Buy 7.5 Million Gallons of SAF https://www.flyingmag.com/boeing-ready-to-buy-7-millions-gallons-of-saf/ Tue, 16 Apr 2024 20:52:32 +0000 https://www.flyingmag.com/?p=200499 Aerospace giant makes its largest order for sustainable aviation fuel.

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Boeing has entered into a deal to buy 7.5 million gallons of blended Neste MY Sustainable Aviation Fuel for its commercial airplanes business operations, the fuel producer announced Tuesday.

The purchase marks Boeing’s largest annual SAF purchase to date, 60 percent more than in 2023, Neste said.

“Sustainable aviation fuel is essential to decarbonize aviation,” Ryan Faucett, vice president of environmental sustainability at Boeing, said in a statement. “About 20 percent of our fuel usage is a SAF blend, and we continue to increase our use of this fuel to encourage growth in the SAF industry. We are also working to make SAF more available and affordable to our commercial airline customers through collaboration, investment, research, and policy development.”

SAF is a renewable aviation fuel consisting of 30 percent renewable waste and residue raw materials, such as fats, oils, and greases used in cooking, which is blended with 70 percent conventional jet fuel. 

According to Neste, the use of SAF reduces greenhouse gas emissions by up to 80 percent over the fuel’s life cycle, compared to using conventional jet fuel.

The total volume of blended SAF purchased will be supplied to Boeing’s commercial operations directly or through a book-and-claim system, according to the company. Four million gallons of blended SAF are destined for Boeing fuel farms in the Pacific Northwest. EPIC Fuels, a Signature Aviation company, will supply 2.5 million gallons and Avfuel will provide 1.5 million gallons of blended SAF from Neste. 

This latest order will be used to support the Boeing ecoDemonstrator program and Boeing’s U.S. commercial operational flights through 2024.

Boeing will also purchase SAF certificates corresponding to the emission reduction provided by the use of 3.5 million gallons of Neste-produced blended SAF produced through a book-and-claim system.

Book and Claim 

Book and claim is an accounting process in which a company purchases SAF certificates to displace conventional jet fuel. Instead of putting the fuel into a Boeing fuel farm, distributors will deliver it to nearby airports for use by airlines and other carriers, ensuring the corresponding SAF use and related greenhouse gas emission reductions.


“Sustainable aviation fuel is a key lever to reduce aviation emissions,” said Carrie Song, senior vice president of commercial renewable products at Neste. “Working together with aviation sector leaders like Boeing is crucial in accelerating SAF usage and production.”

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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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Wing Partners with DoorDash for Wendy’s Drone Delivery in Virginia https://www.flyingmag.com/wing-partners-with-doordash-for-wendys-drone-delivery-in-virginia/ Fri, 22 Mar 2024 18:20:10 +0000 https://www.flyingmag.com/?p=199030 The partners will begin flying out of a single Wendy’s location in Christiansburg, Virginia, with plans to expand the service to other U.S. cities later this year.

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Standard delivery or pickup? Those are the options for most DoorDash users, but customers in Christiansburg, Virginia, now have a third choice.

On Thursday, Wing, the drone delivery arm of Google parent Alphabet, expanded its partnership with DoorDash to the U.S. following a yearlong trial in Australia. In 2022, the companies agreed to integrate their marketplaces, allowing Wing deliveries to be facilitated through the DoorDash platform. It was the first time a drone delivery provider made its service available on a third-party app.

Initially, the service will be based out of a single Wendy’s location in Christiansburg—Wing’s first U.S. commercial market—with plans to explore other U.S. cities later this year. Dallas-Fort Worth, where Wing operates drone delivery with partners such as Walmart, is a potential candidate.

DoorDash views automation as a way to tailor solutions around customer demand and improve platform efficiency. Its partnership with Wing was born out of DoorDash Labs, a robotics and automation arm established in 2021. With the subsidiary still in its infancy, Christiansburg may well be the tip of the iceberg for DoorDash and Wing.

“We are committed to advancing last-mile logistics by building a multi-modal delivery platform that serves all sides of our marketplace,” said Harrison Shih, senior director of DoorDash Labs. “We’re optimistic about the value drone delivery will bring to our platform as we work to offer more efficient, sustainable, and convenient delivery options for consumers.”

Wing, along with medical drone delivery provider Zipline, is one of two titans in the drone delivery industry, having completed more than 350,000 deliveries. The company has flown in Christiansburg since 2019, the same year it launched service in Logan, Australia, a suburb of Brisbane.

In 2022, DoorDash became a partner, agreeing to facilitate Wing deliveries in Logan on its platform. The partners would ultimately expand the service to three locations in Australia’s Queensland region, with more than 60 participating merchants.

“Expanding our partnership with DoorDash and launching in the U.S. is a direct result of the success we’ve seen from our initial collaboration in Australia, where Wing has served tens of thousands of customers via the DoorDash app for over a year now,” said Cosimo Leipold, head of partnerships at Wing.

In Christiansburg, customers with eligible addresses can visit the DoorDash website or app and select the Wendy’s location at 2355 N. Franklin Street. At checkout, they’ll have the option to select drone delivery alongside standard delivery and pickup.

Wendy’s employees will prepare and package orders, and Wing drones will complete deliveries straight to the customer’s doorstep. From order to delivery, the process typically completes within 30 minutes. According to Wing’s early testing data from Australia, its fastest delivery took just over seven minutes.

DoorDash in 2022 explained that the service is intended for small, short-range deliveries, such as Wendy’s takeout orders, which are likely to yield smaller tips. Drones will complement the company’s delivery drivers, who will handle larger orders.

FLYING got a firsthand look at Wing’s service in Dallas-Fort Worth in October. At a Walmart Supercenter in the Dallas suburb of Frisco, the company’s operation occupies a small portion of the store’s parking lot. Other stores can set up Wing hubs on roofs or in adjacent empty spaces.

The system is almost entirely automated, designed to integrate within partners’ existing systems and workflows. All store associates need to do is bring orders from the store to the parking lot.

Wing handles things from there. An automated flight planning and uncrewed traffic management system plans routes, accounting for factors like weather, time of day, and other objects in the airspace. Then a Wing order loader attaches the payload to the drone’s tether.

All on its own, the drone takes off, flies to its destination, lowers the tether, releases the order, and flies back to continue charging. In the air, the aircraft cruises at 65 mph (56 knots) at roughly 200 feet, capable of flying in light wind, moderate rain, or even snow.

All Wing drones flying in the U.S. are overseen by operators at two Remote Operation Centers in Texas and California. Like air traffic controllers, they monitor dots on a screen and step in when an accident could occur. The company’s software also determines which drones might be in need of repairs and grounds them autonomously.

Soon, Wing’s operation will require even fewer people. The company is preparing to roll out its AutoLoader technology, which would eliminate the need for order loaders. Similar to curbside delivery, store associates will simply place orders outside for the drone to pick up on its own.

Wing is also developing a new, larger delivery drone with double the payload of its current model. About 3 in 10 Wing deliveries require two or more drones, and the updated design is intended to streamline those orders. It will complement the company’s existing model rather than replace it.

Recently, the firm obtained an FAA grant for beyond visual line of sight (BVLOS) flights without visual observers in Dallas. Visual observers are required by the FAA for BVLOS flights unless the operator has a waiver. Wing instead will use ADS-B transponders and receivers, extending the delivery range it has with human observers along its routes.

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