What is an aircrafts engine-out speed?
The engine-out speed of an aircraft depends on the design of the aircraft, its configuration, and other factors. Early studies leading to ETOPS were based on the Boeing 757 and used 389 kts, a typical engine-out speed for that aircraft. The Great Circle Mapper also uses this speed unless you select a different speed. You may select a different engine-out speed by entering your own speed (between 200 and 600 knots) or by selecting typical engine-out speeds for a selection of aircraft.
Related Questions
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