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X-59 experimental aircraft fires up its engine for first time on its way to takeoff

NASA's Quesst mission marked a major milestone with the start of tests on the engine that will power the quiet supersonic ...
The National Interest

NASA’s Supersonic X-59 Supersonic Aircraft Could Change Everything

What You Need to Know: NASA’s supersonic X-59 aircraft has taken another critical step toward flight, as its engine was powered up successfully on October 30. Developed by Lockheed Martin’s Skunk ...
Flightglobal

NASA begins X-59 engine runs and now aims for 2025 first flight

The NASA team developing the X-59 supersonic demonstrator jet have fired up the aircraft’s GE Aviation F414-GE-100 powerplant for the first time, having started engine-run tests on 30 October. The ...
Flightglobal

Rolls-Royce revs up UltraFan test plan, including narrowbody-sized engine

Rolls-Royce intends by 2028 to be running two versions of its UltraFan demonstrator engine – one for widebodies and the other for single-aisles – with flight tests to follow by the end of the decade.