Leaded 100LL avgas must end by 2030 under the FAA Reauthorization Act. Here's where GAMI, Swift, and UL100E stand and what it means for owners and buyers.

A fatal helicopter crash which resulted in the death of two people in Westmeath two years ago was probably due a loss of ...

The fatal incident happened when control of the helicopter was lost at low altitude during a sixth practice autorotation.

Even Universal Pictures thought it was silly when Fast & Furious took a car into space in 2021. Pump the brakes on the jokes, ...

Journalist - Steven has a varied background in communications, and it was this passion for writing combined with his in-depth knowledge of the aviation industry that led him to Simple Flying. A keen ...

Japan has hit a real hypersonic research milestone, but the social-media version is running far ahead of the engineering. On April 16, 2026, Waseda University said a joint team with JAXA, the ...

Aerospace startup Hermeus Corp. today announced that it has raised $350 million in equity and debt funding. The bulk of the sum was provided in the form of a $200 million Series C round led by Khosla ...

China has unveiled a new type of air-breathing engine that could replace today’s turbine-ramjet systems, and reshape how future fighter jets and missiles achieve hypersonic speeds. The so-called ...

China is developing a revolutionary air-breathing engine for next-generation fighter jets and hypersonic missiles. Designed to operate continuously from a stationary start-up to over Mach 6, the ...

Reactivity Controlled Compression Ignition (RCCI) is a style of combustion that uses two different fuels and results in a super efficient engine. Thermal efficiencies as high as about 60% have been ...