Glossary
Flight Operations
ETOPS (ETOPS)
Definition
Extended-range Twin-engine Operations — rules governing how far twin-engine aircraft can fly from airports
Related Terms
Diversion
A change in route to land at an airport other than the intended destination
ETOPS Rating
The certified maximum time a twin-engine aircraft may fly from a suitable diversion airport
Range (Aircraft)
The maximum distance an aircraft can fly without refueling
Wide-Body Aircraft
A twin-aisle aircraft typically seating 200-600 passengers for medium/long-haul flights