3 ms·
Quite common on translatlantic routes. Cruise on a 747-400 is about mach0.85 (925km/h) and you commonly have a jet stream of 150km/h so a ground speed of close
by excuse-me 14y ago
Quite common on translatlantic routes.
Cruise on a 747-400 is about mach0.85 (925km/h) and you commonly have a jet stream of 150km/h so a ground speed of close to 1100km/h is possible - above the speed of sound at 30,000ft