For a twin-engine aeroplane, non ETOPS, the take-off alternate, if required, shall be located (in still air conditions) within:
Domanda 49, Operational Procedures - ATPL - Airline Transport Pilot license
| One hour of flight time, at cruising speed with only one engine operative. |
| Two hours of flight time at cruising speed all engines operating. |
| One hour of flight time at cruising speed all engines operating. |
| Two hours of flight time, at cruising speed with only one engine operative. |
