CH-53E Limits.txt

Card Set Information

Author:
andrew.dulik
ID:
102949
Filename:
CH-53E Limits.txt
Updated:
2011-09-19 23:32:22
Tags:
53E Limits
Folders:

Description:
Basic limits for the CH-53E
Show Answers:

Home > Flashcards > Print Preview

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


  1. Min/Normal//Max MGB Oil Pressure
    25 PSI / 50-65 PSI / 150 PSI
  2. Single-point External Cargo Hook Limit / Two-point External Cargo Hook Limit
    36,000 lbs / 36,000 lbs total, 60% of the load per hook, 21,600 lbs max per hook
  3. NGB Oil Capacity / # of Chip Detectors
    5.5 quarts / 1 chip detector
  4. Min Ng to introduce Fuel/Ng Starter Dropout/Ground Idle Ng/Normal Ng
    20 % / 51-58 % / 60.5-70.0 % / 60.5-101.1 %
  5. Cabin Load Limit
    300 lbs/ft2
  6. 1st + 2nd Stage Accumulator Precharge Pressure
    1000-1200 PSI
  7. APP #1 and #2 Accumulator Precharge Pressure
    3000 PSI
  8. Minimum Crew
    Pilot, Copilot, and Aircrewman
  9. Heating System Capacity / Fuel Consumption / Fuel Supply
    600,000 BTU / 54 lbs/hr / #2 Left
  10. Fire Warning Protection is available for the APP and Cabin Heater when the APP is at what Ng? / Max APP Ng
    92% Ng or above / 110%
  11. APP Low Oil Pressure Auto Shutdown / APP Ng (Generators off and Nr <= 95%)
    6+/-1 PSI / 102+/-1 %
  12. Minimum time for turning off heater prior to securing AC power
    10 minutes
  13. Pounds of Monobromotrifluoromethane in each fire bottle / # of engine fire bottles
    4.5 lbs / 3 fire bottles
  14. Ignition and fuel to the heating system is automatically shutoff when?
    • 1. APP emergency fire T-handle is pulled aft
    • 2. No ignition 45 seconds after the heater is turned on
    • 3. An overheat condition occurs (greater than 204C in the Plenum Chamber)
  15. Instrument Climb Airspeed
    100 KIAS
  16. Number of fire detectors per engine? / In the APP? / Degrees of scan for each detector?
    3 detectors / 2 detectors / 90 degrees of scan
  17. Fire Bottle Auto-discharge Force?
    10 Gs
  18. Copter Instrument Approach Airspeed / Instrument Normal Cruise Airspeed / Insrument Slow Cruise Airspeed
    90 KIAS / 135 KIAS / 115 KIAS
  19. Max groundspeed for Nose Landing Gear Touchdown / Takeoff
    40 Knots
  20. Power loss per engine with anti-ice on at Max Power
    3 %
  21. Cargo Winch Limits
    5,000 lbs max / 80 foot cable length
  22. #2 Fuel Low Caution Light
    333+/-15 lbs in either the #2L or #2R (15 minutes remaining in that tank)
  23. Engine Oil Low Pressure Caution Light / High Pressure Caution Light
    10+/- 3 / 100+/-3
  24. #1 and #3 Tanks Fuel Low Caution Light
    666+/-30 lbs fuel remaining (30 minutes)
  25. Refueling Pressure / Flow Sensor
    35-55 PSI / 2 +/- 1 GPM
  26. MGB and NGB Oil Hot Caution Light
    121 +/- 5.5 degrees C
  27. Approximate fuel remaining in main for auto dump shut-off?
    30 minutes
  28. MGB Oil Pressure Caution Light / MGB Aux Lube Caution Light
    14 +/- 2 PSI
  29. Landing Gear Emergency Blow Down Bottle Pressure
    3000 PSI
  30. 1 STG Press M/R T/R / 2 STG Press M/R / Utility Press Caution Lights
    2000 PSI / 2000 PSI / 1500 PSI
  31. Tail Rotor High Stress Caution Light
    • %Q >110%
    • Airspeed>130 KIAS
    • Rate of Climb>2800FPM
  32. High Pressure Rotor Brake can be engaged at what %Nr? / Low Pressure Rotor Brake?
    50% / 25%
  33. Rotor Brake (RTR BK) Advisory Light On
    975+/-25 PSI
  34. Max Nr / Nr Flat Pitch
    118% Nr / 104-107% Nr
  35. Engine fuel flow at Ground Idle
    200-350 lbs/hr
  36. A hot start may occur if fuel flow exceeds how many pph before light-off?
    175 lbs/hr
  37. Lateral Cg Limits
    13.5 inches left / 8.5 inches right
  38. Rectifier Output
    28 VDC
  39. Nr Lower Precautionary Range / Upper Precautionary Range
    95-100% Nr / 105-118% Nr
  40. Normal MGB/NGB Oil Temp / Max Oil Temp
    40-120 degrees C / 145 degrees C
  41. Single Engine Horsepower
    • Normal HP (100% Q) - 3200HP
    • Military HP (121% Q) - 3856HP
    • Max HP (137% Q) - 4380HP
    • Transient HP (160% Q) - 5120HP
  42. T5 Hot Start / Post Engine Shutdown T5
    650 degrees C / 320 degrees C
  43. Underfrequency Protection
    • 1. 91-96% Nr
    • 2. Weight on Wheels
    • 3. 2-5 seconds
  44. Max Ng (Military) Max Allowable Ng
    101.1 (30 minutes) / 102.9 (30 seconds)
  45. Normal Engine Oil Temp / Transient Engine Oil Temp / Max Engine Oil Temp
    40-107 degrees C / 108-125 degrees C (30 minutes) / 125 degrees C
  46. T5 Max Continuous / Military / Max / Transient
    713 degrees C / 753 degrees C (30 minutes) / 773(416) 792(416A) degrees C (10 minutes) / 900 degrees C peak momentary
  47. Normal Nf / Max Nf / Nf Transient
    100-105% Nf / 110% Nf / 111-125% for 5 seconds
  48. Normal Torque / Military Torque / Max Torque / Transient Torque
    100% / 121% (30 minutes) / 137% (10 minutes) / 160% (1 minute)
  49. Tank #1 and #3 usable fuel / Tank #2 usable fuel / AUX Tank Usable Fuel
    300 gallons (approx 2040 lbs) / 377 gallons (approx 2563 lbs) / 650 gallons (4420 lbs)
  50. Max Airspeed / External Load Airspeed / Max Landing Gear Extension Airspeed / Max Landing Gear Extended Airspeed
    150 KIAS / 150 KIAS / 140 KIAS / 150 KIAS
  51. Engine Start Pressure
    4000 PSI
  52. Generator Operational Service Ceiling
    10,000 ft MSL
  53. Max APP Exhaust Temp / APP Max Altitude
    621 degrees C / 10,000 ft MSL
  54. Generator Rated Amperage Output
    40 KVA
  55. Torque Precautionary Range
    100-137 % Q
  56. Landing Limits
    672 FPM at 69,750 lbs / 360 FPM at 46,500 lbs
  57. Normal Hydraulic Pressure
    2600-3300 PSI
  58. Design Gross Weight / Max Weight on Wheels / Max Allowable GW
    46,500 lbs / 69,750 lbs / 73,500 lbs
  59. Acceleration Limits
    • 1. 0.5 - 2.0 Gs (GW<=56,000 lbs and DA<=3,000 ft)
    • 2. 0.5 - 1.5 Gs (GW>56,000 lbs or DA>3,000 ft)
  60. Autorotative Descent Airspeed
    75 KIAS - Min Rate of Descent / 100 KIAS - Max Glide
  61. Rotor Engagement/Disengagement Wind Limits / Blade Fold/Unfold Wind Limits / Pylon Fold/Spread Wind Limits
    45 knots / 45 knots / 45 knots (>20 knots face into the wind)
  62. Generator Output
    115/200 VAC / 3 phase / 400 HZ
  63. AOB Limits
    • 1. 60 degrees (GW<=56,000 lbs, Airspeed<=130 KIAS, DA<=3,000 feet)
    • 2. 45 degrees (GW<=56,000 lbs, Airspeed>130 KIAS or DA>3,000 feet)
    • 3. 30 degrees (GW>56,000 lbs)
  64. Minimum Instrument Turn Altitude / Minimum Rate of Climb IMC
    200 feet AGL / 500 FPM
  65. Minimum Unusual Angles
    30 degrees pitch / 60 degrees roll
  66. Utility Hoist Limits
    Max Load 600 lbs / Cable Length 245 feet
  67. Normal Nr
    • 1. 100-105 % Nr (GW<50,000 lbs)
    • 2. 103-105 % Nr (GW 50,000-73,500 lbs)
  68. EAPS Doors Closed Airspeed
    150 KIAS
  69. Landing Fuel
    1200 lbs (NATOPS) / 1500 lbs (SOP)
  70. Engine Oil Capacity
    1.32 gallons usable / 1.15 gallons expansion space / 0.10 gallons unusable / 1.45 gallons dwell
  71. AFCS Servo Pressure
    1,000 PSI
  72. Fuel Transfer Rate (Aux Tanks to Main)
    45 GPM (300 lbs/min)
  73. Max Sideward Airspeed / Max Backward Airspeed
    35 KIAS / 30 KIAS
  74. Autotransformer Output
    115 / 26 VAC
  75. Manuevering Flight Airspeed
    130 KIAS
  76. Purge Cycle Duration
    8.5 minutes
  77. MGB Oil Capacity / # of Chip Detectors
    20-25 gallons / 5 chip detectors
  78. Prohibited Maneuvers
    • 1. Aerobatics
    • 2. Evasive Maneuvering Training
    • 3. Air Combat Maneuvering Training
    • 4. Hovering turns over 360 degrees in less than 15 seconds
  79. Climb Limitations
    • 1. 110% < 60,000 lbs
    • 2. 121% > 60,000 lbs
  80. Fuel Dump Rate
    75 GPM (500 lbs/min) each sponson

What would you like to do?

Home > Flashcards > Print Preview