Minimum Navigation Performance Specification (MNPS) airspace of the North Atlantic is defined within:
Domanda 32, Operational Procedures - ATPL - Airline Transport Pilot license
| Flight levels 285 and 420 from the 27° North to the pole |
| Flight levels 280 and 475 from 27° North to the pole |
| Sea level and FL660 from 27° North to the pole |
| Flight levels 270 and 400 from the equator to the pole |
