ATPL: Whilst flying at FL 180 on the northern hemisphere an aircraft experiences right drift. What effect, if any, will this have on the aircraft's true altitude ?
Question 308, Meteorology - ATPL - Airline Transport Pilot license
It increases.
It decreases
Without knowing the pressure change this question cannot be answered.
Explanation: Whilst flying at FL 180 on the northern hemisphere an aircraft experiences right drift. What effect, if any, will this have on the aircraft's true altitude ?