T6-B Operating Limits

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Author:
marcosmarrero1
ID:
159884
Filename:
T6-B Operating Limits
Updated:
2012-06-24 14:11:17
Tags:
T6 Operating Limits June 2012
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Description:
T6-B Engine Operation Limits
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  1. Takeoff/Max Torque %
    100
  2. Takeoff/Max ITT
    820
  3. Takeoff/Max N1
    104
  4. Takeoff/Max Oil Pressure
    90 to 120
  5. Takeoff/Max Oil Temperature
    10 to 105
  6. Idle ITT Max
    750
  7. Idle N1 Max
    60-61 min (gound)

    67 min (in flight)
  8. Idle Np
    46 to 50
  9. Idle Oil Pressure
    90 min
  10. Idle Oil Temperature
    -40 to 105 (ground)

    10 to 105 (in flight)

    106 to 110 (acceptable for ground ops under 20% torque)
  11. Start ITT Max
    1000 (for 5 seconds)
  12. Start Oil Pressure
    200 max
  13. Start Oil Temperature
    -40 min
  14. Transient Torque Max
    131 (for 20 seconds) - above this, damage can occur 
  15. Transient ITT Max
    870 (for 20 seconds)
  16. Transient N1 Max
    104
  17. Transient Np Max
    102 (for 20 seconds)

    110 (permissible at all powers for completion of emergency flight)
  18. Transient Oil Pressure
    40 to 130
  19. Transient Oil Temperature
    106 to 110 (for 10 minutes)
  20. With PMU OFF, permissible max Np is:
    100 +/- 2%
  21. Avoid stabilized ground operations between ____ and ____ to avoid propeller resonance.
    62 and 80% Np
  22. Operation at oil pressure less than ____ psi at flight idle or above is indicative of oil system malfunction.
    90
  23. Max airspeed (VMO)
    316 KIAS / MACH 0.67
  24. Max airspeed with Gear Down (VLE / VFE)
    150 KIAS
  25. Turbulent Air Penetration Speed
    207 KIAS

    Although 180 KIAS is recommended 
  26. Maneuvering airspeed
    227 KIAS
  27. Prohibited Maneuvers
    • Inverted Stalls
    • Inverted Spins
    • Aggravated spins past two turns
    • Spins with PCL above IDLE
    • Spins with gear/flaps/speed brake extended
    • Spins with PMU OFF
    • Spins below 10,000 ft pressure altitude
    • Spins above 22,000 ft pressure altitude
    • Abrupt cross control maneuvers
    • Aerobatics/stalls/spins with > 50 lb fuel imbalance
    • Tail Slides           
  28. Aircraft is approved for transit through ______ ft of _______ ice
    5000, light rime
  29. Minimum battery voltage
    23.5 volts
  30. Cockpit Pressurization Schedule Limit
    3.6 +/- 0.2 psi
  31. Fuel Caution Light
    Illuminates when < 150 lbs of fuel in respective tank
  32. Cooling period after first starter cycle
    30 seconds
  33. Cooling period after second starter cycle
    2 minutes
  34. Cooling period after third starter cycle
    5 minutes
  35. Cooling period after fourth starter cycle
    30 minutes
  36. Time limitation on inverted flight
    15 seconds
  37. Time limitation on intentional zero G flight
    5 seconds
  38. Symmetric Clean acceleration limitation
    +7.0 Gs to -3.5 Gs
  39. Symmetric Gear and Flaps Extended acceleration limitation
    +2.5 Gs to 0.0 Gs
  40. Asymmetric Clean acceleration limitation
    +4.7 Gs to -1.0 Gs
  41. Asymmetric Gear and Flaps Extended acceleration limitation
    +2.0 Gs to 0.0 Gs
  42. For uncoordinated rolling maneuvers initiated at ____ G, the maximum bank angle change is _____.
    -1, 180 degrees
  43. Max crosswind component for dry runway
    25 knots
  44. Max crosswind component for wet runway
    10 knots
  45. Max crosswind component for icy runway
    5 knots
  46. Max tailwind component for takeoff
    10 knots

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