UH60-M Limits

  1. NP1/NP2 limits?
    105-107% - 12 second transient

    101-105% - transient

    95-101% - continuous range

    91-95% - transient

    20-40, 60-90% - avoid range
  2. NR (power on)
    101-107% - transient

    95-101% - continuous

    91-95% - transient
  3. NR (power off autorotation)
    110% - maximum

    105-110% - transient

    90-105% - normal range
  4. NG limits?
    105 -106% - 12 second transient

    0-105% - continuous
  5. Q - 10 second transient (dual engine)
    100 - 144% - above 80KIAS

    120 - 144% - 80KIAS or below
  6. Q - 10 second transient (single engine)
    135-144% - 10 sec transient
  7. Backup Pump temperature range time limits?
    Temperature /// operation/cool-down period

    -54 to 32deg - unlimited/——

    32-38deg - 24min / 72min

    39-52deg - 16min / 48min
  8. Engine start limits?
    <15deg - 2 starts / 3 min rest / 2 starts

    >15deg - 52deg - 2 starts / 30 min rest

    # 30 min rest required before any additional starts
  9. Windshield anti ice limit?
    27deg - anti ice check max temp
  10. Rotor brake & gust lock limits
    76% - EMERG. Max rotor speed

    <40% 150-180PSI - Eng off no < 12 seconds

    450/690PSI - min / max PSI
  11. Slope limits?
    15 deg - nose up / left / right

    6 deg - nose down
  12. Max tail wind
    15 kts
  13. Max landing RoD
    540 / 360 FPM - level / slope < 16,825

    300 / 180 FPM - level / slope > 16,825
  14. (Q) Continuous - dual engine
    0-100% - Above 80KIAS

    0-120% - 80KIAS or below
  15. (Q) Continuous - single engine
    0-135% - single engine
  16. Engine Oil Pressure?
    100-120 PSI - 5 min limit

    26-100 PSI - normal range

    22-26 PSI - idle only
  17. Engine Oil Temperature
    135-150 deg - 30 min limit

    -20-135 deg - continuous
  18. TGT
    903 - 949 deg - 12 sec transient

    879 - 903 deg - 2.5 min transient

    851 deg - start abort

    846 - 879 deg - 10 min limit

    793 - 846 deg - 30 min limit

    0 - 793 deg - normal range
  19. Transmission oil pressure limits
    65-130 PSI - precautionary

    30-65 PSI - continuous

    20-30 PSI - idle and transient

    30-35 PSI - > 10deg nose up

    10-15 PSI - > 15deg nose up
  20. Transmission oil temperature limits?
    105-140 deg - precautionary

    -20-105 deg - continuous
  21. APU operational limits
    30 min - > 43 deg with engine/rotor on

    Continuous - < 51 deg with engine / rotor off

    30 min cool - APU oil hot caution on
  22. Roll limits
    60deg - max

    30 deg - primary servo fail caution
  23. Max pitch
    30 deg
  24. High speed yaw manoeuvres
    > 80KIAS - avoid abrupt full pedal inputs
  25. Rescue hoist limits
    600lbs - max weight

    30 deg - max AoB

    35 KIAS - rearward flight

    1000FPM - max RoD
  26. Cargo hook limits
    9000lbs - max load

    30 deg - max AoB

    35 KIAS - max rearward
  27. Vne
    193 KIAS
  28. Max speed LDG/search light extend
    180 KIAS
  29. Gunner window open max speed
    170 KIAS
  30. #1 HYD PUMP / #1 SAS inoperative
    170 KIAS
  31. 2 x HYD PUMP or 2 x SAS inoperative
    150 KIAS
  32. Cabin doors open Vne?
    145 KIAS
  33. #2 HYD PUMP / #2 SAS inoperative (IMC)
    140 KIAS
  34. 1 Eng Inoperative Vne
    130KIAS
  35. LDG light extended by what max speed ?
    130KIAS
  36. Auto with stab failure Vne ?
    120 KIAS
  37. Auto - best range (clean config)
    110 KIAS
  38. Search Light extending Vne
    100 KIAS
  39. Max GS for roll on landing?
    60 kts GS
  40. Max rotor start / stop wind speed?
    45 kts
  41. Max sideways or rearward hover speed ?
    45 kts
Author
Bails
ID
360619
Card Set
UH60-M Limits
Description
UH60M Limits
Updated