For a twin-engine aeroplane, the standard operational take-off minimums may be used provided an alternate aerodrome is accessible at less than:
Domanda 91, Operational Procedures - ATPL - Airline Transport Pilot license
| 30 minutes at cruising speed with one engine unserviceable. |
| 30 minutes at cruising speed all engines running. |
| 60 minutes at cruising speed with one engine unserviceable. |
| 60 minutes at cruising speed all engines running. |
