The radar controller suspects that you are experiencing unlawful interference. What should he do to confirm this with an auto decoder unit? (with no mode A interpretation?)
Domanda 467, Air Law - ATPL - Airline Transport Pilot license
| Switch from 7500 to 7700. |
| Switch from 7000 to 7500. |
| Switch from 7600 to 7700. |
| Switch from 7700 to STBY to test 7500. |
