An aircraft flying at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1006 hPa) experiences no change to true altitude. The reason for this is that:

Question

ATPL - Airline Transport Pilot license - Meteorology - An aircraft flying at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1006 hPa) experiences no change to true altitude. The reason for this is that:

QuizVDS · Accepted Answer

The air at Palma de Mallorca is warmer than that at Marseille

QuizVDS · Answer

The air at Palma de Mallorca is colder than that at Marseille

QuizVDS · Answer

The altimeters are erroneous, and need to be tested

QuizVDS · Answer

One of the two QNH values may be incorrect

ATPL: An aircraft flying at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1006 hPa) experiences no change to true altitude. The reason for this is that:

Domanda 39, Meteorology - ATPL - Airline Transport Pilot license