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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Aircraft General Knowledge - Instrumentation > During a climb, both the pitot inlet and its drain become blocked while the static ports remain clear. The trapped total pressure produces a falsely increasing airspeed indication. If the pilot responds by slowing the aircraft to reduce that indication, what is the principal risk?

142 - ATPL Question Bank in English - During a climb, both the pitot inlet and its drain become blocked while the static ports remain clear. The trapped total pressure produces a falsely increasing airspeed indication. If the pilot responds by slowing the aircraft to reduce that indication, what is the principal risk?

Question 142 - Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot Licence

The actual airspeed must increase to VMO regardless of the pilot’s control inputs

The actual airspeed may decrease towards the stall while the indicated airspeed remains misleading

The actual airspeed must decrease by exactly 1% per 600 ft because of the blockage

The actual airspeed must increase by exactly 1% per 600 ft because of the blockage

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