PPL(A) EN: Which are the official basic units for horizontal distances used in aeronautical navigation and their abbreviations?
Domanda 37, Navigation - PPL(A) English - Private Pilot License (Aircraft)
| Feet (ft), inches (in) |
| Nautical miles (NM), kilometers (km) |
| Yards (yd), meters (m) |
| Land miles (SM), sea miles (NM) |
