The Boeing 757 replacement took 20 years. Boeing ended it in 2004, the Airbus A321XLR now takes its routes, and 436 757s, mostly freighters, still fly.
How does a jet engine work? Suck, squeeze, bang, blow is only the start. Inside the compressor, the bypass fan, and blades hotter than their melting point.
The most dangerous commercial aircraft, ranked by hull loss rate per million departures using Boeing’s own data. The worst safety records still flying.