P68C Question Bank DGCA Tech. Spec Exam

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VMO in KCAS is 153 KCAS (158 KIAS) ICAO Annex 16 permits a maximum sound level for the a/c is 80dB. Actual Noise level is 77.7db (A) page number 9 of 34 section 7 supplement N The best ROC & Angle of climb speed is 90 KIAS & 76 KIAS During a trim failure the indications are Trim warning Light & Audio (only TRIM warning on power off or pre-flight test not done) The disengagement of autopilot is indicated by AP annunciator flashing 12 times + aural alert for two seconds. Combustion heater is located on aft fuselage behind cabin baggage compartment. Single engine take off is permitted only when speed > 62KIAS, no runway available. The spin recovery procedure for P-68C are: - Retard both throttles to idle position. - Apply full rudder in the opposite direction to the spin. - Push control wheel full forward. - Maintain controls in this position until the spin stops. Then neutralize rudder. - Recover from dive with smooth backward pressure on the control wheel. No abrupt control movement should be used during recovery from dive, as the mano speed and positive limit maneuvering load factor may be exceeded. De coupling (glide slope) may be accomplished by any of the following - Disengage Altitude Mode - Switch Radio coupler to HDG mode - Disengage autopilot Cabin heat disengage cut off temperature is 350° C The gyro instruments are electrically driven except A/H & DG (vaccum driven) Anti-ice additives should not be more than 1% by volume of total fuel quantity. The blade angle range is Low – 14.2° + 0.2°, feather 81.2° + 0.3° The maximum maneuvering speed of a/c is 130 KIAS When cargo doors are open flaps must not be operated Maximum flaps extended speed for various ranges are (KIAS/KCAS) - 0-17° - 157/152 - 17-30° - 143/138 - 30-35° - 101/99 The maximum baggage capacity is 400 lbs (181 Kgs) P 68 C incorporates fire detection system (True/False) Should fire die out after a failed start, do not attempt to relight. Which circumstances will result in an engine shut down? What is the procedure to start the engine with external power source? Do not switch on Battery and alternator The max RPM for go around is 2700 RPM The balked landing procedure is - Power 2700 RPM and FULL THROTTLE LIKE facebook.com/GhostAviators

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Baulked landing transition speed 76 KIAS Flaps – reduce to 15° Trim – Adjust for climb Flaps – RETRACT when all obstacles are cleared and a safe altitude and air speed are obtained. Lateral leveling is done by using spirit level on seat rail? The maximum T/o wt is 4387 lbs (1990 Kgs) The maximum A/P speed is 180 KCAS (Mitchell Century III) 170 KIAS (King 150) Blue radial on ASI indicates 92 KIAS – one engine inoperative best ROC speed. The minimum Height for A/P operation is - 500ft AGL during climb, cruise and descent. (for King 150 – 170 KIAS) - 200ft AGL during coupled approach. The bank and altitude loss in A/P malfunction is - With 3 second reaction - 60° bank & 300 ft ht loss - With 1 second reaction - 20° bank & 100 ft ht loss The procedure for operation of cabin heat is - CABIN air handle – OPEN - Cabin temp handle – INCREASE - Heater switch – HEATER - Cabin temp – adjust as required A/P will disengage during a - Power failure - Internal Flight control system failure - Roll rate in excess of 16°/sec (except when CWS is held depressed) - Pitch rate in excess of 8°/sec (except when CWS is held depressed) - With KCS 55A compass system , loss of compass valid (HDG Flag) when a mode using heading information is engaged. With HDG flag present the autopilot may be re-engaged in the basic wings level mode alongwith any vertical mode. A/P will disengage when except (see 35 above) The vertical trim control limit with A/P is +15°/-10° @ 0.7°/sec What are the functions of the split switch? - Left half provides power to engage trim servo clutch and - Right half provides power to control the direction of motion of trim servo motor. - Both must be actuated in order for manual trim to operate in desired direction. The markings on the roll indicators are 0,10, 20, 30, 60 & 90° A/P is prohibited with >15° flaps The right hand side door is protected from opening when the RH engine is running by solenoid operated locking plunger The maximum altitude loss in conventional stall is 400 ft The procedure for fuelling operation is done in order to have maximum fuel quantity – fill one tank, then other tank and then return to first tank and top up. The duration of the operation of De-icing boots is 7 seconds The single engine approach speed is 92 Kts -

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The exhaust of the air conditioning system is bled out through a hole on the left skin of fuselage rear cone section CWS switch helps the pilot to control manually without disengaging the selected modes. Who is responsible for ensuring that the a/c is correctly loaded: PILOT The longitudinal leveling is achieved by _______________ The a/c is allowed for night flying on the conditions that _______________ Air conditioning is no approved for use during takeoff, landing, single alternator operation, ground operation with engine RPM < 1500 One engine inoperative stall – altitude loss is 600ft with pitch down of upto 30° Cabin forced Air Heating System is not approved for use during takeoff, landing and single alternator operation. Engine – IO-360-A1B6, 4 cylinder direct drive, 200BHP @ 2700 RPM. Max CHT 475°F, max engine oil temp 245°F Oil Pressure Min idle 25 PSI, Max 90 PSI. Maximum Quantity 8 Qts (7.5 lts) per engine. Usable 6 Qts (5.7 lts) per engine Glide slope capture is indicated by lighting of the green Glide Slope engage annunciator Lamp and by a Slight Pitch down of the aircraft. Hydraulic fluid reservoir is connected to LH Side Brake pedals Max fuel pressure 12 PSI Malfunction in cabin heat system, the overload switch should trip at: 350 °F To obtain maximum capacity: Fill one tank then the other tank and then return to first tank and top up. Approved fuel anti ice additive for the aircraft is: Isopropyl alcohol What maneuvers are not permitted for the a/c: aerobatic maneuvers including spins are prohibited The datum location is at: Wing leading edge Aircraft is approved for: The standard airplane is approved for day, night operations under VFR conditions, and with proper optional equipment installed & operational the airplane is approved for for day & night IFR Unusable fuel for each tank is 2.5 U.S Gal or 9 ltrs The a/c is not not approved in icing condition since: Wing, horizontal stabilizer & vertical stabilizer de-ice boots alone do not provide adequate protection for the entire a/c What is the power for all operations: 2700 RPM 200 BHP Maximum CHT: 485 °F Total usable fuel each tank: 68 USG or 260 ltrs Power for engine inoperative go around is 2700 rpm full throttle Procedure for restart in flight: Fuel selector magneto switch auxiliary fuel pump on, throttle ½ inch forward propeller full forward, mixture rich, starter press when engine fires release after cut off Single engine failure during takeoff: During starting with battery what can enable to shut down: If the oil pressure gauge does not show any indication, shut down the engine, if alternator output is low, shut down Design maneuvering speed for 2084kg category a/c is: 137kts CG forward & aft limit is: Rearward- 0.481m (18.92”) aft of datum at all weights, Forward - 0.328m (12.60”) aft of datum at maximum takeoff weight of 2084 kg (4594 lbs) Best Rate of Climb speed: 78 KIAS LIKE facebook.com/GhostAviators JOIN facebook.com/groups/ghostaviator/

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While landing ILS On HIS glide slope in view indicates that: a usuable glide slope signal is being received During autopilot operation action: Flaps to 15° and after airspeed stables flap extended to 35° Maximum demonstrated crosswind velocity: 25kts The maximum weight stall speed with flap retracted is indicated by: 69kts at 0° angle of bank Positioning the surface de-ice switch to actuate will result in one complete inflation lasting approx.: 7 seconds Blade angle range at 30 in. station: Low Pitch: 14.2 degree ± 0.2degree, Feather: 81.2degree ± 0.3degree VNO 154 KIAS Noise level 77.7db (A) page number 9 of 34 section 7 supplement N Vfe 15° flap - 161 KIAS, 35° flap- 111 KIAS Single engine approach speed: 92 KIAS Best angle of climb speed: 80 KIAS Best rate of climb: 92 KIAS


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P68C Question Bank DGCA Tech. Spec Exam

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