Private Pilot Licence · Mock exam

The 'service ceiling' of an aeroplane is defined as:

• A.The altitude above which the engine can no longer maintain any useful power output whatsoever
• B.The altitude at which the aircraft can no longer maintain a rate of climb of 100 ft/min at maximum continuous power
• C.Field elevation plus 1,000 ft — the minimum safe circuit altitude at the departure aerodrome
• D.The highest cruise altitude permitted by ATC clearance for the aircraft's registered class