T-34 systems questions

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Anonymous
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T-34 systems questions
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2010-04-20 00:52:24
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systems questions
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same as the title Plus EPS and LIMITS
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  1. What does the Fuel control system consist of?
    • The fuel control system consists of:
    • 1. an engine-driven fuel pump,
    • 2. a fuel control unit,
    • 3. a circular manifold,
    • 4. fourteen fuelspray nozzles.
    • 5. automatic fuel dump valve
    • 6. two drain valves bleed off residual combustion chamber fuel afterengine shutdown.
  2. Normal Torque operating range?
    The normal engine operating range of 400 to 1,015 ft-lb and up to a maximum limit of 1,015 ft-lb
  3. Describe the primary propeller governor unit fuel-topping function.
    If propeller rpm reaches 2,398, the fuel-topping function of the primarygovernor will automatically bleed Py air, reducing fuel flow in the FCU towardminimum and returning propeller rpmto within safe limits.
  4. How is the propeller overspeed governor installed?
    The propeller overspeed governor is installed in parallelwith the propeller governor and is mounted at approximatelythe 10-o’clock position on the reduction gearbox front case.
  5. Describe the Fuel Tanks:
    One 40-gallon tank in each wing leading edge and one 25-gallon tank in the wing panels of each wing provide a totalusable fuel capacity of 130 U.S. gallons. The two tanks in each wing are interconnected; fuel gravity feeds from the25-gallon tank into the 40-gallon tank, then into a 1.5-gallon fuel sump tank in the fuselage center section.
  6. Abnormal Starts
    If the ITT rate of increase appears likely to exceed 925 C (hot start), the normalN1 increase is halted (hung start), or no rise of ITT is evident within 10 seconds after selecting FTHR with thecondition lever (no start), proceed as follows:
    • *1. Condition lever—FUEL OFF.
    • *2. Ignition switch—HOLD OFF (starter continue engaged).
    • *3. Starter — OFF (after 20 seconds).
    • *4. Ignition switch—RELEASE.
  7. EMERGENCY ENGINE SHUTDOWN
    • *1. Condition lever—FUEL OFF.
    • *2. Emergency fuel shutoff handle—PULL.
    • Note
    • After the emergency fuel shutoff handle is pulled, do not reset on the grounduntil the cause of the emergency shutdown is determined and corrected.
  8. EMERGENCY EXIT
    • *1. Canopy — OPEN (emergency open, as required).
    • *2. Battery — OFF.
    • *3. Harness, cords, mask—RELEASE.
    • *4. Parachute—UNFASTENED.
    • *5. Aircraft—EVACUATE.
  9. Fire On the Ground
    • *1. Starter — OFF (as required).
    • *2. Emergency Engine Shutdown — EXECUTE
    • *3. Emergency Exit — EXECUTE.
  10. Abnormal ITT During Shutdown
    • Indications of abnormal ITT may include rapidly rising ITT and smoke and/or flames from the exhaust stacks.
    • *1. Emergency engine shutdown — EXECUTE.
    • *2. Ignition switch — HOLD OFF.
    • *3. Starter — ON (monitor for normal shutdown).If condition persists or engine fire light illuminates:
    • *4. Starter — OFF.
    • *5. Emergency Exit — EXECUTE.
  11. BRAKE FAILURE
    • *1. Aircraft — STOP, using other cockpit brakes.
    • *2. Aircraft — Maintain directional control and stop aircraft utilizing Beta, rudder, and remaining brakes.
    • If going into unprepared terrain:
    • *3. Emergency Engine Shutdown — EXECUTE.
    • When aircraft comes to rest:
    • *4. Emergency Exit — EXECUTE.
  12. STRIKE OF GROUND OBJECT
    *1. Emergency engine shutdown — EXECUTE.
  13. ABORTING TAKEOFF
    • When aborting a takeoff, proceed as follows:
    • *1. PCL — FULL BETA.
    • *2. Wheelbrakes — AS REQUIRED.
    • If going into unprepared terrain:
    • *3. Canopy — EMERGENCY OPEN.
    • *4. Emergency Engine Shutdown — EXECUTE.
    • When aircraft comes to rest:
    • *5. Emergency Exit — EXECUTE.
  14. TIRE FAILURE ON TAKEOFF ROLL
    • While still on runway:
    • *1. Aborting Takeoff — EXECUTE.
    • If airborne:
    • *2. Landing gear — REMAIN DOWN
  15. Fuel Control Stuck at Minimum Flow (Rollback)
    • Reduced fuel flow (rollback) is typical of a fuel control unit pneumatic sensing system malfunction. If engine will not respond to PCL movements and ITT and N1 indicate the engine is running at a very low power setting (Figure14-1), proceed as follows:
    • *1. Condition lever — FULL INCREASE RPM.
    • *2. EPL — ADVANCE TO DESIRED POWER SETTING.
    • If the resultant power available is insufficient to execute a PEL:
    • *3. EPL — DISCONNECT.
    • *4. Engine failure — EXECUTE.
    • If sufficient power is restored:
    • *5. PCL — IDLE.
    • *6. PEL — EXECUTE.
  16. Compressor Stalls
    • *1. PCL — SLOWLY RETARD TO JUST BELOW STALL THRESHOLD TO CLEAR STALL.
    • *2. Cockpit environmental control — FULL FORWARD.
    • *3. PCL — SLOWLY ADVANCE (as required).If the resultant power available is insufficient to execute a PEL:
    • *4. Engine Failure — EXECUTE.If sufficient power is available:
    • *5. PEL — EXECUTE.
  17. ENGINE FAILURE
    • *1. Flying speed — MAINTAIN (100 KIAS minimum).
    • *2. Landing gear and flaps — UP.
    • *3. Engine instruments — CHECK.
    • *4. Condition lever — FEATHER (as required).
    • *5. Landing site — SELECT.
    • *6. Harness — LOCKED.
    • *7. Airstart — PERFORM (if situation permits).If airstart is not attempted or is unsuccessful:
    • *8. No landing site available and altitude permits — BAILOUT.If forced landing is to be continued:
    • *9. Emergency Engine Shutdown — EXECUTE.
    • *10. MAYDAY/7700 — BROADCAST.
    • *11. ELP — INTERCEPT.
    • *12. Gear and flaps — AS REQUIRED.
    • *13. Canopy — EMERGENCY OPEN.
    • *14. Battery switch — OFF.
  18. AIRSTART
    • *1. PCL — IDLE.
    • *2. Emergency fuel shutoff handle — DOWN.
    • *3. Standby fuel pump — ON.
    • *4. Starter — ON.
    • *5. N1 and ITT — MONITOR FOR START INDICATIONS.
    • *6. Starter — OFF (when ITT peaks or no indications of start).
    • *7. Standby fuel pump — OFF (if start unsuccessful).
    • If start is successful:
    • *8. Condition lever — FULL INCR.
    • *9. PCL — ADVANCE (as required).
    • *10. PEL — EXECUTE.
    • *11. Autoignition — ON.
  19. PRECAUTIONARY EMERGENCY LANDING
    • *1. Select nearest suitable runway.
    • *2. Climb at 100 KIAS or accelerate to a position within dead engine glide distance of the runway.
    • *3. Landing gear and flaps — UP (as appropriate).
    • *4. Aircraft and engine instruments — CHECK.
    • *5. ELP — INTERCEPT.
  20. UNCONTROLLABLE HIGH POWER
    *1. PEL — EXECUTE.
  21. Engine Fire (in flight)
    • *1. Fire — CONFIRM.If fire is confirmed:
    • *2. Emergency Engine Shutdown — EXECUTE.
    • *3. Cockpit Environmental Control/Aft Cockpit Outside Air — OFF.
    • Note
    • Under varying conditions of altitude, fire, smoke, or fumes, the pilot hasthe option of using 100-percent oxygen, opening canopy, and/or closing theoxygen cylinder valve as dictated by judgment.

    • If fire persists:
    • *4. Bailout — EXECUTE.
    • If fire extinguishes:
    • *5. Engine Failure — EXECUTE.
    • If no fire indications:
    • *6. PEL — EXECUTE.
  22. Electrical/Unknown Origin Fire VMC
    • *1. Battery and generator switches — OFF.
    • *2. 100-percent oxygen — DON (as required).
    • *3. Airspeed — REDUCE (as required).
    • *4. Cockpit environmental control/aft cockpit outside air — OFF.
    • If fire persists:
    • *5. Engine Fire — EXECUTE.
    • If fire extinguishes:
    • *6. Land as soon as possible.
  23. Electrical/Unknown Origin Fire IMC
    • *1. Utility bus switches — OFF.
    • *2. All other nonessential equipment — OFF.
    • *3. 100-percent oxygen — DON (as required).
    • *4. Airspeed — REDUCE (as required).
    • *5. Cockpit environmental control/aft cockpit outside air — OFF
    • .If fire persists:
    • *6. Bail out (altitude permitting).If fire extinguishes:
    • *7. Land as soon as possible.
  24. SMOKE OR FUME ELIMINATION
    • *1. 100-percent oxygen — DON.
    • *2. Airspeed — REDUCE (as required).
    • *3. Cockpit environmental control/aft cockpit outside air — FRESH AIR INCREASE/ON.
    • If smoke or fumes cannot be eliminated and so restricts vision that a safe landing cannot be made or excessive heatbuildup requires more ventilation:
    • *4. Canopy — EMERGENCY OPEN.
  25. IN-FLIGHT DAMAGE/BINDING CONTROLS
    • *1. Maintain control of aircraft, if not controllable, BAIL OUT.
    • *2. Climb — AS REQUIRED.
    • *3. Check flight characteristics above 5,000 feet AGL in the landing configuration, decreasing airspeed inincrements of 10 KIAS to an airspeed at which a safe landing can be made (no slower than 80 KIAS).
  26. OUT-OF-CONTROL RECOVERY
    • *1. Controls — POSITIVELY NEUTRALIZE.
    • *2. PCL — IDLE.
    • *3. Altitude — CHECK.
    • *4. AOA, airspeed, turn needle — CHECK.
    • *5. Gear/flaps — UP.
    • *6. Rudder — FULL OPPOSITE TURN NEEDLE.
    • *7. Stick — FORWARD OF NEUTRAL (erect spin) — NEUTRAL (inverted spin).
    • *8. Controls — NEUTRALIZE WHEN ROTATION STOPS.
    • When aircraft regains controlled flight:
    • *9. Recover from unusual attitude.
  27. Windshear/Wake Turbulence Indications
    • 1. 10 knots airspeed
    • 2. 500 fpm vertical speed
    • 3.5 degrees pitch attitude
    • 4. Unusual power requirements
  28. Windshear/Wake Turbulence Escape Procedures
    *1. Wave off -- EXECUTE (maintain current configuration and wings level until clear of windshear).
  29. Oil System Malfunction/Chip Detector Caution Light Illuminated
    • *1. PEL — EXECUTE (utilize a maximum of 850 ft-lb torque and avoid unnecessary PCL movements).
    • If engine failure/mechanical malfunction occurs:
    • *2. Emergency engine shutdown — EXECUTE.
    • *3. Engine Failure — EXECUTE.
  30. FUEL PRESS and Master Caution Annunciator Illuminated
    • *1. PEL — EXECUTE.
    • *2. Standby fuel pump switch — ON.
  31. Fuel Leaks or Syphoning
    • If possibility of engine fire, flameout, or failure due to location or severity of the leak:
    • *1. PEL — EXECUTE.
    • If engine indications are normal:
    • *2. Land as soon as practicable.
  32. Inverter Failure
    • *1. Other inverter — SELECT.If annunciator remains illuminated:
    • *2. Electrical control — TAKE COMMAND.
    • *3. Circuit breakers — IN. (115-Vac, 1-amp; inverter control relay; INV 1 and INV 2)
  33. Propeller RPM Out of Limits
    • *1. Condition lever — ATTEMPT TO ADJUST PROP RPM TO NORMAL OPERATING RANGE.
    • If conditions persist:
    • *2. PEL — EXECUTE.If normal indications are restored:
    • *3. Land as soon as practicable using normal procedures.
  34. Uncommanded Propeller Feathers
    • *1. Condition lever — FULL INCREASE RPM.
    • If propeller remains feathered:
    • *2. PCL — ADVANCE (as required).
    • If the resultant power does not improve performance:
    • *3. PCL — IDLE.
    • *4. Engine Failure — EXECUTE.
    • If propeller unfeathers:
    • *5. PEL — EXECUTE.
  35. Propeller RPM Fluctuations
    • *1. PROP TEST circuit breaker — PULL.
    • If fluctuations cease, continue flight.
    • If fluctuations continue:
    • *2. PEL — EXECUTE.
  36. Split-Flap Condition
    *1. Reset flap lever to prior position.
  37. BAILOUT PROCEDURE
    • *1. Notify crewmember.
    • *2. Canopy — EMERGENCY OPEN.
    • *3. Radio cords and oxygen hose or mask — DISCONNECT.
    • *4. Harness — RELEASE.From a crouched position:
    • *5. DIVE toward the trailing edge of either wing.
    • When clear of the aircraft:
    • *6. PULL parachute D-ring

    • Additional items to complete before bailout if time and aircraft controllability permit:
    • *Airspeed — SLOW TO 90 TO 120 KIAS.
    • *Seat — LOWER PRIOR TO OPENING CANOPY.
    • *MAYDAY/7700 — BROADCAST..
    • *Emergency engine shutdown — EXECUTE.
    • *Turn toward unpopulated area.
  38. ENGINE FAILURE OVER WATER/ DITCHING
    • *1. Flying speed — MAINTAIN (100 KIAS minimum).
    • *2. Landing gear and flaps — UP (flaps down for immediate ditch).
    • *3. Engine instruments — CHECK.
    • *4. Condition lever — FTHR.
    • *5. Landing direction — SELECT.
    • *6. Harness — LOCKED.
    • *7. Airstart — PERFORM (if situation permits).
    • If airstart is not attempted or is unsuccessful, altitude permitting:
    • *8. BAIL OUT — EXECUTE (AS DESIRED).
    • If ditch is to be continued:*
    • 9. Emergency engine shutdown — EXECUTE.
    • *10. Flaps — DOWN.
    • *11. Canopy — EMERGENCY OPEN.
    • As soon as all motion stops:
    • *12. Emergency exit procedure — EXECUTE.
    • *13. LPU — INFLATE WHEN CLEAR OF AIRCRAFT.
  39. Acceleration Limitations
    • 1. +4.5gs up to 280 KIAS; –2.3gs up to 220 KIAS; and decreasing to –1.0g at 280 KIAS.
    • 2. With flaps down, +2gs and –1.0g.
    • 3. During extension of the landing gear, +1.5g to 0g.
  40. Altitude Limitations
    1. Operating altitude (Navy-approved limit) — 25,000 FEET.
  41. MISCELLANEOUS LIMITATIONS
    • 1. Maximum inverted flight time — 15 SECONDS.
    • 2. Maximum zero g flight time — Transient only.
    • 3. Maximum vertical flight, nose up — 15 SECONDS.
    • 4. Maximum vertical flight, nose down — 3 SECONDS.
    • 5. Maximum knife, edge, wings vertical — 3 SECONDS.

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