NCAA CPL Principles of Flight case studies
NCAA CPL Principles of Flight · Put your knowledge to work in context.
The NCAA Commercial Pilot Licence (CPL) Principles of Flight examination is a multiple-choice ground-school paper set by the Nigerian Civil Aviation Authority for candidates working toward a commercial pilot licence. It is aimed at student pilots who have completed the private pilot stage and are building the technical foundation required before advanced type training and the instrument rating. The NCAA CPL Principles of Flight case studies are 5 cases and about 3,293 words.
1Touch-and-go turn, wing drop and the 62 KIAS stall warning
An instructor and a CPL candidate are conducting touch-and-go training in a single-engine piston aeroplane (MTOW 1,600 kg, flaps-up 1g stall speed 48 KCAS) at an airfield with density altitude 7,500 ft. After the second touch-and-go the aircraft climbs at 75 KCAS.
686 words, about 3 min2Engine failure after takeoff with an obstacle and a marginal single-engine gradient
A light twin (MTOW 2,100 kg, Vmc 65 KCAS, Vr 80 KCAS, Vxse 82 KCAS, Vyse 88 KCAS) departs a 1,400 m runway at elevation 3,800 ft with OAT 28°C, giving a density altitude of about 6,200 ft. The aircraft is 60 kg below MTOW.
701 words, about 4 min3Mach buffet near the ceiling and the coffin corner
A business jet (Mmo 0.85, Vmo 320 KIAS, certificated ceiling FL450) is cruising at FL410 at M 0.82 and 8,500 kg. ISA temperature is +10°C.
657 words, about 3 min4Propeller governor failure and overspeed on approach
A 1,350 kg retractable single-engine piston aeroplane (IO-550, three-blade constant-speed propeller, maximum 2,700 RPM) is established on a 3° ILS at 90 KIAS, 15 in Hg and 2,300 RPM. At 800 ft AGL, 3 nm from touchdown, the pilot pushes the propeller control fully forward to prepare for a possible go-around.
624 words, about 3 min5Aft centre of gravity, a 2.5g gust and an accelerated stall warning
A charter operator is loading a 3,000 kg MTOW twin piston aeroplane. The aft CG limit is 2.45 m aft of datum; the load sheet gives 2.49 m.
625 words, about 3 min