ATPL: When an aircraft is operating its Secondary Surveillance Radar in Mode C an air traffic controller's presentation gives information regarding the aircraft's indicated flight level in increments of:
Domanda 199, Radio Navigation - ATPL - Airline Transport Pilot license
| 100 FT |
| 150 FT |
| 250 FT |
| When tracking directly towards the station at a range of 100 NM or more |
