Aerospace

Sikorsky is ground-testing the powertrain for its HEX hybrid-electric tiltwing VTOL aircraft ahead of flight tests with two uncrewed demonstrators next year.

Some 14 years after exiting the single-aisle engine market, Rolls-Royce is trying to get back into it, unveiling a new engine concept called the UltraFan 30—but can it break the CFM-Pratt duopoly?

Bell officials say they are confident in their proposal to make the company’s 505 JetRanger X the Army’s next rotary-wing training helicopter.

DOT and FAA have selected eight pilot projects across the country to test operations involving eVTOL and other AAM aircraft under the new public-private eIPP.

Japanese eVTOL developer SkyDrive has agreed to a general certification plan for its three-seater SD-05 with the Japan Civil Aviation Bureau.

Syzygy Plasmonics has signed an agreement to develop commercial-scale facilities in Brazil to produce SAF using biogas created from sugar crop waste.

Texas-based helicopter mission equipment outfit Davenport Aviation has completed initial testing of an armed Airbus H125 helicopter.

Rolls-Royce has teamed up with UK project developer Equilibrion to explore whether small modular nuclear reactors could be used to power eSAF production.

Airbus Helicopters’ new H140 light twin-engine rotorcraft is set to be the next model in the company’s product line to receive the corporate VIP treatment.

Bell is preparing for a ramp-up in production rates as it sees growth across both its commercial and military markets.

French flow control, JAXA’s reusable rocket, hypersonic tunnel returns and laser link from GEO.

The middle mile between large freighters and van deliveries is notoriously inefficient. A new generation of startups is confident it has the solution.

Sikorsky has launched production of the first batch of upgraded S-92A+ helicopters as it moves the twin-engine aircraft into a new production phase.

Since Airbus announced it was delaying plans to develop a zero-emission airliner by up to 10 years, the landscape for hydrogen propulsion pioneers has changed.

Our roundup of the main aerospace and defense stories making the news this week.

Vertical Aerospace's CEO discuses the Valo eVTOL air taxi, which is planned to launch by 2027 and certify by 2028.

The manufacturers are wrapping up a software update that is intended to reduce the risk of smoke in the cabin following engine failures.

Boost-phase missile defense challenges the historic model for space-based interceptors, but a startup is proposing a possible thrust-based solution.

Aviation Week takes the wraps off NASA’s Lockheed Martin-built X-59 quiet supersonic research aircraft as preparations begin for envelope expansion tests.

Safe separation of UAM aircraft in automated airspace is to be evaluated by uncrewed airspace management providers ANRA Technologies and SkyGrid.

Plans to flight test CFM International’s Open Fan engine on an Airbus A380 are accelerating following the initial meeting of the Safran-led Take Off project.

No one knows what will happen going forward with aerospace and defense trade.

Hexcel has revealed an agreement with activist investor Vision One whereby the latter gets an immediate seat on its board of directors.

No one knows when an unexpected event will occur, and therefore unexpected events must be respected by mitigating and eliminating identifiable risks.

Mecachrome is refining the production process of the low-pressure turbine blades it is manufacturing for the CFM International Leap engine.