ATPL: Basic RNAV requires a track-keeping accuracy of:
Domanda 133, Radio Navigation - ATPL - Airline Transport Pilot license
| +/- 3NM or better for 90% of the flight time |
| +/- 5NM or better for 95% of the flight time |
| +/- 5NM or better throughout the flight |
| 1090 +/- 0.3 MHz |
