ATPL: In the 'PAPI' system the pilot during an approach will see the two units nearest the runway as red and the two units farthest from the runway as white when:
Domanda 261, Air Law - ATPL - Airline Transport Pilot license
| Above the approach slope. |
| On or close to the approach slope. |
| Only on the approach slope. |
| Below the approach slope. |
