ATPL: A "landing compass' is:
Domanda 239, General Navigation - ATPL - Airline Transport Pilot license
| The compass used as reference during landing. |
| Painted on the ground at airfields to indicate the direction of the cardinal magnetic headings to observers on the ground or in the air. |
| A compass on which the runway direction for landing may be set as a "bug". |
| Used to establish aircraft magnetic heading during a compass swing. |
