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T6 Systems 1

  1. 1. Briefly explain the purpose of the Trim Aid Device.
    Assists direction trimming during airspeed and power changes
  2. 2. What is the purpose of the elevator bobweight and where is located.
    Increases stick forces as g load on the aircraft increases, to improve control feel and prevent overstressing airframe. Located on the base of the front control column.
  3. 3. Briefly explain how aileron trim is achieved.
    Electromechanical actuator installed in the centre wing is connected to a spring box assembly and the centre line bell-crank to provide aileron trim by actually moving the ailerons.
  4. 4. The TAD computes a desired rudder trim tab position which results in lower out of trim forces.
    • What 4 things does it sense to compute this trim position?
    • Airspeed
    • Pitch rate
    • Altitude
    • Torque
  5. 5. Name the locations of the trim switches for;
    • a. Aileron
    • b. Elevator
    • c. Rudder
    • a. Control stick grip top hat
    • b. Control stick grip top hat
    • c. Rocker switch on front of PCL
  6. 6. How many fuel probes are in the T6 Fuel system and where are they located?
    7, 3 in each wing tank, one in collector tank.
  7. 7. A green BOOST PUMP CAS message has illuminated, give 3 reasons this would occur.
    • Started selected on
    • Boost Pump selected on
    • Low pressure switch in the motive flow line senses less than 10PSI when PCL greater than idle.
  8. 8. What two occasions would the electric boost pump operate automatically?
    • Starter on
    • Low pressure switch in the motive flow line senses less than 10PSI when PCL greater than idle.
  9. 9. Name the two manual shutoff valves in the engine fuel feed line and what are their purpose.
    • Firewall Shut off Valve – For in flight emergencies
    • Maint. Cut off Valve – for maint of fuel system.
  10. 10. An amber L FUEL LO CAS message has illuminated, what does this indicate?
    110 lbs or less in left tank.
  11. 11. What component activates the FUEL PX CAS message?
    10PSI pressure switch in motive flow/return flow supply line.
  12. 12. At what level do the Fuel Quantity Indicator Tapes change colour to yellow?
    150lbs
  13. 13. What does a green M FUEL BAL CAS message indicate?
    Fuel balance switch is in manual position
  14. 14. How much fuel is stored in T6C fuel tanks using;
    • a. Pressure refuelling method
    • b. Over wing refuelling method
    • a. 1100
    • b. 1200
  15. 15. Name 5 components that are run off the hot battery bus
    • Clock
    • Battery
    • ELT
    • Ram Air Valve
    • Emerg. Flaps
    • OBOGS
    • Chip Detector
    • FDR Main
  16. 16. What happens to the Generator Control Switch in the FWD cockpit should the Generator Control Switch in the aft cockpit be moved to the on position and why?
    It switches off. Switches are magnetically held and electrically interlocked so only one can be on at once. This allows control from both cockpits.
  17. 17. Where are the Landing and Taxi lights located and where are they controlled from?
    Aft and inboard of the main landing gear, landing light on the left, and taxi light on the right. They controlled by the LDG and TAXI light switches on the trim control panel.
  18. 18. In an emergency situation what does the Auxiliary Battery power and for how long?
    Fire 1 warning, Radio Relays, IRU/IRS, BFI, Standby VHF, lasts for approx. 30 minutes
  19. 19. Your generator has tripped in flight;
    • a. what EICAS message will be displayed and,
    • b. what two actions may turn the generator back on?
    • a. Red Gen CAS
    • b. Gen reset button, or cycle gen switch off and on
  20. 20. What is shutoff when the Firewall Shutoff Handle is pulled?
    • Fuel to the engine
    • Hyd to the engine
    • Bleed air from the engine
  21. 21. At what oil temperature will the EICAS oil temperature gauge digital readout change to an amber background with an amber CHK ENG CAS message?
    106-110
  22. 22. At what oil temperature will the Master Warn light flash, an aural warning tone sound, a red CHK ENG CAS message display and the digital readout changes to a red background?
    >110 or <-40
  23. 23. Briefly describe how the propeller pitch is moved to the fine position?
    PIU directs more oil into propeller hub, pushing the piston against the spring to move the propeller towards fine.
  24. 24. Following an Airstart, what amperage draw is considered high?
    30
  25. 25. When must engine oil level be checked?
    Within 30 min after engine shutdown
  26. 26. With the PMU functioning, at what speed does the mechanical overspeed governor limit Np to?
    106
  27. 27. At what speed does the electronic governor maintain Np at?
    100%
  28. 28. If PMU function is lost, the mechanical overspeed governor maintains Np at or below what speed?
    100% +-2
  29. 29. High density altitude and a tailwind are 2 possible factors that may cause the PMU to abort a battery start, name 3 others.
    • High pre-start ITT
    • High IOAT
    • Weak Battery
  30. 30. An unmarked position on the PCL between OFF and IDLE is used to start the engine, how is this position found?
    Slowing moving PCL forward until ST READY CAS illuminates
  31. 31. What engine parameters will illuminate a red OIL PX CAS message?
    • Below 15 PSI at IDLE
    • Below 40 above IDLE
    • Between 15-40 for >5 seconds at idle
  32. 32. What engine parameters will illuminate an amber OIL PX CAS message?
    • Between 15-40 at idle
    • Between 40-90 >10 seconds above idle
  33. 33. Your engine is sitting at idle power with an amber OIL PX CAS message. This message then disappears and is replaced by a red OIL PX CAS message, what has occurred?
    Pressure dropped below 15psi
  34. 34. You are sitting at idle power and both amber and red OIL PX CAS messages illuminate what is the most likely cause?
    15-40psi for greater than 5 seconds
  35. 35. What Np is idle with PMU in Ground mode and Flight mode?
    • 46-50 ground mode
    • 100 flight mode
  36. 36. What is the hydraulic system normal operating pressure?
    3000psi, +/- 120
  37. 37. During flight you notice a decreasing of hydraulic pressure towards or at zero psi, but you do not get a EHYD PX LO or HYD FL LO CAS message, what could be a possible cause?
    Failure of the engine driven hydraulic pump
  38. 38. During flight an amber EHYD PX LO CAS message illuminates what does this indicate?
    Emergency hydraulic pressure at or below 2400psi +/- 150
  39. 39. List the four services operated by the main hydraulic system under normal operations.
    • Gear
    • Flaps
    • Speed brake
    • Nose wheel steering
  40. 40. The emergency hydraulic system would be used to extend the landing should the main hydraulic system fail, name 2 other aircraft system failures that the emergency system would be used to lower the landing gear.
    • -Engine Failure
    • -Battery Bus failure
  41. 41. During flight with your speedbrake extended, it automatically retracts. What conditions could have caused this to occur?
    • -Flaps extended
    • -PCL to Max
  42. 42. What airspeed must you be below before you operate the flaps?
    150kts
  43. 43. During flight with your flaps extended you have a battery bus failure, what will happen to your flaps?
    Flaps will retract to UP
  44. 44. Name 4 environmental system uses of engine bleed air and where is that bleed air tapped from?
    • 1.Canopy Pressurisation Seal
    • 2.Pressurisation
    • 3.Anti-G system
    • 4.Cockpit Heating and Defogging
    • 5.On Board Oxygen Generation System (OBOGS)
    • Tapped from the engine compressor section at the left and right P3 ports.
  45. 45. Briefly explain the operation of the anti-g system. The system utilises engine bleed air to supply pressure to each pilot’s anti=G suit.
    Each anti-G valve has a weighted rod with an orifice which is displaced toward full open by gravity during positive G acceleration. As the weighted rod moves further open with increasing G, the pressure in the anti-G suit increases proportionally.
  46. 46. Name the 5 main components of the pressurisation system.
    • 1.Control Valve
    • 2.Control Valve regulator
    • 3.Safety Valve
    • 4.Differential Pressure Regulator
    • 5.Solenoid Dump Valve
  47. 47. What system uses bleed air from the LH P3 port?
    OBOGS
  48. 48. What provides canopy sealing for pressurisation?
    A one piece seamless canopy seal is pneumatically inflated using cooled engine bleed air tapped off the anit-G system.
  49. 49. What is the canopy open windspeed limit?
    40 Kts
  50. 50. Will the CFS system still operate on an ejection with no aircraft power and if so why?
    Yes. No electrical input required as system uses piezoelectric crystals to produce an electrical charge to fire the flash lamps.
  51. 51. With an OBOGS failure and the aircraft at cabin altitudes above 10000ft, what actions should be taken to prevent hypoxia?
    • Green Ring – Pull
    • Descend below cabin altitude of 10,000’ within 10 mins
    • Land as soon as practical
  52. 52. The emergency oxygen system contains enough oxygen for how long?
    10 Mins
  53. 53. The ISS seat sequencer has 3 settings briefly explain each one.
    • Solo- Activated seat is the only seat that ejects
    • Both – Both seats eject regardless of who pulls the handle, rear seat ejects first
    • CMD FWD – The crew member is the rear seat initiates ejection for rear seat only. Crew member in forward seat initiates ejection for both forward and rear seat with rear seat ejecting first.
  54. 54. What three specific factors affect how successful the ejection system performs?
    • Bank angle
    • Sink rate
    • Dive angle
  55. 55. What are the flight manual recommended minimum altitudes for controlled and uncontrolled ejections
    • 2000’ agl controlled ejection
    • 6000’ agl uncontrolled ejection
  56. Describe what has occurred should an amber FUEL BAL caution illuminate
    • Indicated fuel imbalance exceeds 30lbs for 2 minutes (ie. automatic system has not corrected the imbalance)
    • OR
    • Fuel probe has failed (accompanied by FP FAIL)
  57. During flight an amber CKPT ALT CAS message illuminates, what does this indicate?
    Cockpit altitude >19000ft
  58. The TAD inputs a pre calculated take-off setting to the rudder trim tab. No further inputs are made by the TAD until the a/c reaches ___KIAS and there no weight on wheels.
    80kts
  59. In the event that you encounter significant resistance in the canopy latching mechanism while rotating it forward to close, what actions should be taken?
    • Reopen the canopy
    • Check the condition of each of the canopy hooks for free rotation and consistent positioning.
  60. During a loss of power, which pressurisation system component will automatically open?
    Solenoid dump valve, which opens the control valve.
Author
mikecraies
ID
347581
Card Set
T6 Systems 1
Description
T6 Systems 1
Updated

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