An aircraft subjected to unlawful interference has to leave its assigned track or cruising level and cannot establish communication with ATS. If no applicable regional contingency procedure has been published, the pilot-in-command should:

Question

Question ATPL - Airline Transport Pilot license - Air Law

QuizVDS · Accepted Answer

Proceed at a level that differs from the normally used IFR cruising levels by 300 m (1 000 ft) above FL 290 or by 150 m (500 ft) below FL 290.

QuizVDS · Answer

Immediately descend to the lowest safe altitude and land at the nearest suitable aerodrome.

QuizVDS · Answer

Continue exactly on the filed flight plan route and level until communication with ATS is restored.

QuizVDS · Answer

Squawk 7700 and follow the semicircular cruising level system without any offset.

469 - ATPL - An aircraft subjected to unlawful interference has to leave its assigned track or cruising level and cannot establish communication with ATS. If no applicable regional contingency procedure has been published, the pilot-in-command should: