CPL Skills Test - Aircraft Knowledge Flashcards
Landing gear - Fluid used?
MIL-H-5606
Landing gear - Purpose of pressure switch?
Tells system when gear is up and pressurised, turns off hydraulic pump
Landing gear - Gear down mechanism?
Gravity and hydraulics
Landing gear - Gear up mechanism?
Hydraulics
Landing gear - Up limit?
Turns off gear unsafe light after gear has been retracted
Landing gear - Downlock switch?
Turns the 3 green lights on
Landing gear - Squat switch?
Acts as weight off wheels indicator (left gear), should not be touching on the ground
Landing gear - When does alarm go off?
Flaps 25, no gear
Below 13’ manifold, no gear
No gear on ground
Landing gear - Emergency extension?
Emergency valve opens, 1800 PSI
Landing gear - Nose wheel steering?
30 degrees each way
Brakes - type and reservoir?
Single disc hydraulic on man gears. Reservoir under engine cowling
Flaps - Stages and type?
Flaps 10 - Plain
Flaps 25/40 - Slotted
Stabilator - Design and purpose?
Anti-servo trim tab to prevent overcontrol and to give positive feel
Ailerons - Type?
Differential ailerons to minimise adverse law
Intakes - Locations and purposes?
Intake below landing light - Environmental systems, air heated through shroud around exhaust for cabin and window defrost.
Intake to right of prop - Engine cooling entering towards lower portions of cylinder 2 and 4
Fuel system - Components?
Fuel selector
Fuel filter
Electric boost pump
Engine driven fuel pump
Servo Regulator
Flow Dividers
Fuel injectors
Throttle
Fuel system - Electric boost pump purpose?
Provides fuel pressure for priming and as backup to engine driven pump
Fuel system - Engine driven pump function and purpose?
Diaphragm pump, converts rotary motion from accessory case to linear motion through cam
Fuel system - Servo regulator purpose?
Measures amount of fuel flowing to injectors. First point of control inside the servo regulator is the fuel control unit which is attached
Fuel system - Throttle operation?
Throttle opens and closes the butterfly valves which controls how much air is going through the filter and induction manifold.
Fuel system - Amounts?
77 gal total (38.5 in each)
72 gal usable (36 in each)
Tabs - 50 gal (25 in each)
Fuel system - Burn?
12.7 gal/hr 65% power @ 2500RPM
Induction system - alternate air source?
Door that functions automatically when primary source is obstructed, can also be operated manually
Engine - layout and information?
Horizontally opposed, 4 cylinder, direct drive, fuel injected
200HP @2700RPM
Oil between 6-8 quarts (Skyborne standard)
Airframe - MTOW
2750lbs
Controllable pitch prop - Components and function?
Prop governor - Speeder spring and flyweights control flow of oil into hub via valve
Overspeed - Flyweights go out, spring and pilot valve moves up, allowing more oil to entry the hub to make pith more course.
Torque requirement increases, RPM decreases
Electrics -Battery and alternator?
24V battery, 28V alternator
Pitot static system - Locations and use?
Pitot tube under left wing, static pressure sensed by button vents on both sides of fuselage.
Used for ASI, altitude, and VSI
Alternate static
Pitot static system - Alternate sources
Alternate static inside cockpit, left of pilot seat
Airspeeds - Vs1/Vs?
Vs1 - 55
Vs - 60
Airspeeds - Vx, Vy?
Vx - Gear Down - 72
Vx - Gear up - 78
Vy - Gear down - 78
Vy - Gear up - 90
Airspeeds - Vg?
Vg - 79
Airspeeds - Vle
Vle - Retract - 107
Vle - Extend - 129
Airspeeds - Vfe, Va
Vfe - 103
Va - 118
Airspeeds - Vno, Vne?
Vno - 146
Vne - 183
