Blackhawk limits.txt

Card Set Information

Author:
jakfarney
ID:
44830
Filename:
Blackhawk limits.txt
Updated:
2010-10-25 16:18:17
Tags:
H60 Limits
Folders:

Description:
H60 Limits
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user jakfarney on FreezingBlue Flashcards. What would you like to do?


  1. Engine 1 and 2 %RPM (Np)
    • 12 Sec Transient 106-121
    • Max 105
    • Transient 102-105
    • Continuous 96-101
    • Transient 92-95
    • Min (except idle & trans) 91
  2. Engine TGT Temp
    • 12 Sec Transient 920-965
    • 2.5 Min OEI Transient 884-919
    • 10 Min Limit 870-883
    • Max Start 869
    • 30 Min Limit 829-869
    • Normal 0-828
  3. Engine Ng Speed 1 & 2
    • Max 105.0
    • 12 Sec Limit 102.1-105.0
    • 30 Min Limit 99.1-102.0
    • Continuous 0-99.0
  4. Engine TRQ
    • DUAL ENGINE
    • Max 150
    • 10 Sec Limit 121-150
    • Continuous 0-120

    • SINGLE ENGINE
    • Max 150
    • 10 Sec Limit 135-150
    • Continuous 0-134
  5. Engine Oil Temp
    • Max 150
    • 30 Min Limit 136-150
    • Continuous -50-135
  6. Engine Oil Pressure
    • Maximum 120
    • Precautionary 101-120
    • Continuous >90%Ng 35-100
    • <90%Ng 22-100
  7. XMSN Temp
    • Maximum 120
    • 30 Min Limit 106-120
    • Continuous -50 - 105
  8. XMSN Pressure
    • Maximum 130
    • Precautionary 66-130
    • Continuous 31-65
    • Idle/Transient 20-30
  9. Fuel Qty
    • Normal 201-1600
    • Precautionary 0-200
  10. Main Rotor Limits
    • POWER ON
    • Transient 101-107
    • Continuous 95-101
    • Transient 91-95

    • POWER OFF
    • Max 110 (120 MTF)
    • Transient 105-110
    • Normail 90-105

    • Rotor Start/Stop 45Kts
    • Rotor Brake Max RPM Norm 40%, Max 76%
    • Min Px for start 450 psi
  11. Prohibited Manoeuvres
    • Hovering turns greater than 30 deg/sec
    • Aerobatic manoeuvres (rolls,loops etc)
    • Flight beyond 90 deg AOB
    • Simultaneous movement of PCLs to IDLE or OFF for other than emg
    • Practive touchdown autos
    • Manoeuvring flight that results in heavy stall
  12. Manoeuvres to be avoided
    • No intentional out of balance flight above 45KIAS
    • Rapid turns using more than 60 deg AOB
    • Any manoeuvring resulting in onset of 4:1 vibes
    • Any manoeuvre likely to result in droop stop pounding
    • Abrupt manoeuvre and large control reversals
    • Practice autos except as req for pilot training, MTF and cat events
  13. Downwind Hovering
    • Prolonged rearward flight and downwind hovering to be avoided to prevent accumulation of exhaust fumes in helicopter and heat
    • damage to open cargo doors
  14. Stabilator
    Manual op of stab in flt is prohibited except as required by formal trg or to overcome an auto mode failure
  15. Airspeed Limits
    • Max 193
    • Sideward/rearward 35
    • Max 20250-22000 125 up to 3000ft
    • OEI 130 Max
    • Auto (16825lbs or less) 150
    • Auto (16825-20250) 130
    • Auto (above 20250) 125
    • One SAS out 170
    • Two SAS out 150
    • Two SAS out IMC 140
    • One HYD SYS out 170
    • Two HYD SYS out 150
    • Two HYD SYS out IMC 140
    • Landing Light 180, extended by 130
    • Search Light 180, extended by 100
    • Gunners Window Fully open to 170
    • Cabin doors open 145
    • Open/Close cabin door 80
    • Max with ext load 140

    AOB limited to 30 deg when a PRI SERVO light illuminated
  16. Engine Starter Limits
    • 16 deg FAT and below
    • 2 Consecutive start cycles followed by 3min rest the 2 additional start cycles followed by 30 min rest

    • 17-52 deg FAT
    • 2 Consecutive start cycles followed by a 30min rest before additional starts

    • 60 sec between each start cycle
    • Cycle = starter initiation to starter dropout
    • X-Bleed start = 90%Ng, 100% RPMR and Anti-ice light off
  17. Pneumatic Source Inlet Limits
    • Minimum = 40PSIG @ 30 PPM and 149 deg
    • Maximum = 50 PSIG @ 249 deg

    (measured @ external air connector on fuselage)
  18. Landing Gear Limits
    • Up to 16825 lbs
    • = 540 fpm ROD on level terrain
    • = 360 fpm ROD on slopes

    • Above 16825 lbs
    • = 300 fpm ROD on level terrain
    • = 180 fpm ROD on slopes

    Max landing Speed = 60 Kts
  19. Slope Landing Limits
    • Nose up, right wheel or left wheel up - slope:
    • 15 deg (reduce by 4 deg for every 10kts downslope wind)

    • Nose down slope:
    • 6 deg (tailwind no greater than 15kts)
  20. Weight Limits
    • Max (clean) 22,000
    • Ferry (ESSS) 24,500
    • Cargo hook 8,000
    • Rescue hoist 600
  21. Backup Hyd Pump (Rotor Sys. Static)
    • FAT Operating time (mins) Cool down time (mins)
    • -54 to 32 Unlimited n/a
    • 33 to 38 24 72
    • 39 to 52 16 48
  22. APU Operating Limits
    43 deg and above with eng and rotor operating = 30 mins

    With eng and rotor not operating = Continuous up to 51 deg
  23. Turb and TS limits
    Intentional flt into severe or extreme turb is prohibited

    Intentional flt into TS is prohibited

    Mod turb. penetration speed is Vlrc - 10kts or Vne - 15kts, whichever is less
  24. Rescue hoist duty cycle
    • Operated without limit unless HYD OVERHEAT light
    • comes on. In that case, hoist ops stop at earliest opportunity.
    • May resume when light goes out.
  25. Windscreen wiper
    Do not operate on dry screen

    Do not allow a notable reduction of wiper speed
  26. Flight in Icing
    With all anti-ice and de-ice equip functioning are permitted flt into known or forecast moderate icing conditions

    With only blade de-ice inoperative are permitted flight in known trace icing conditions

    With blade de-ice and other anti-ice equip inoperative should not be flown into known or forecast icing conditions
  27. ESSS Jettison Envelope
    • Level flight : 0 to Vh
    • Descent: 0 to 1000 ft/min (up to 60KIAS)
    • 0 to 500 ft/min (up to 120KIAS)
    • Sideslip: One ball width up to 120KIAS
  28. S.O. Approach Limits
    • Pitch: 30 deg or less
    • Roll: 30 deg or less
    • Yaw: Balanced above 45KIAS
    • TQ during Flare entry: >0%
    • TQ prior to Final Gate: at least 15%
    • Into Wind: Cat 4 + 5% (HOGE +10)
    • Tail Wind: Cat 4 + 15% (HOGE +20)
    • Max Tail wind: 15KTS
  29. S.O. Approach
    • FLARE POINT
    • 0.9 HUD
    • >50ft AHO
    • Max 100kts G/S

    • INTERMEDIATE GATE
    • 0.4 HUD (470m vis)
    • Max 80kts G/S or
    • Max 100KIAS

    • FINAL GATE
    • TQ - not less than 15% and increasing; and
    • PITCH - reducing from 30 deg; and
    • ROLL - 10 deg or less; and
    • ROC - no greater than fast walking pace

What would you like to do?

Home > Flashcards > Print Preview