ATPL: Aircraft XY-ABC is making a test transmission with Stephenville TOWER on frequency 118.7. What is the correct phrasing for this transmission:
Domanda 129, VFR Communications - ATPL - Airline Transport Pilot license
| Stephenville TOWER XY-ABC radio check 118.7 |
| Stephenville TOWER XY-ABC frequency check |
| Stephenville TOWER XY-ABC signal check |
| Stephenville TOWER XY-ABC pre-flight check |
