https://aircraft.fyi Every aircraft, at true scale. Long-form aviation writing, sourced and dated. en-GB Tue, 21 Jul 2026 10:30:23 GMT https://aircraft.fyi/blog/why-the-four-engine-airliner-is-extinct https://aircraft.fyi/blog/why-the-four-engine-airliner-is-extinct Tue, 14 Jul 2026 00:00:00 GMT The 747, the A340 and the A380 were not beaten by a better aeroplane. They were beaten by a rule change, and by an engine that stopped breaking. https://aircraft.fyi/blog/is-supersonic-travel-coming-back https://aircraft.fyi/blog/is-supersonic-travel-coming-back Tue, 14 Jul 2026 00:00:00 GMT Boom Supersonic has flown a demonstrator, built a factory and taken 130 orders. It still has not run its engine. Here is where the comeback really stands in mid-2026 — and how Overture measures up against Concorde.