MH-60S Limits

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Author:
Anonymous
ID:
14522
Filename:
MH-60S Limits
Updated:
2010-04-14 17:55:20
Tags:
MH 60S
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Description:
MH-60S Limits
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  1. Turbine Gas Temperature (TGT)
    • 0 to 810 °C Continuous Green
    • 810 to 851°C 30 minutes Yellow
    • 851 to 903°C 2.5 minutes Red
    • 903 to 949°C 12 seconds Red
    • 949 °C Maximum Red
  2. Power Turbine Speed (Np)
    • <96% Avoid Red
    • 96 to 101% Continuous Green
    • 101 to 120% 12 seconds Yellow
    • 120% Maximum Red
  3. Main Rotor Speed (Nr)
    • <96% Avoid Red
    • 96 to 101% Continuous Green
    • >101 to 120% Caution Yellow
    • >120% Maximum Red
    • 127%, 137%, and 142% Overspeed Latch Red
    • Note
    • During engagement, avoid extended operations in the 20 to 40% and 60 to 75% ranges.
  4. Dual-Engine Torque (TRQ) <80 KIAS
    • 0 to 120% Continuous Green
    • 120 to 144% 10 seconds Yellow
    • 144% Maximum Red
  5. Dual-Engine Torque (TRQ) >80 KIAS
    • 0 to 106% Continuous Green
    • 106 to 127% 10 seconds Yellow
    • 127% Maximum Red
  6. Single-Engine Torque (TRQ)
    • 0 to 135% Continuous Green
    • 135 to 144% 10 seconds Red
    • 144% Maximum Red
  7. Gas Generator Speed (Ng)
    • 0 to 98% Continuous Green
    • 98 to 102% 30 minutes Yellow
    • 102 to 105% 12 seconds Red
    • 105% Maximum Red
  8. Transmission Temperature (XMSNT)
    • –50 to 105 °C Continuous Green
    • 105 to 120 °C Precautionary Yellow
    • 120 °C Maximum Red
  9. Transmission Pressure (XMSN P)
    • <20 psi Minimum Red
    • ≥20 to 30 psi Idle and transient Yellow
    • 30 to 65 psi (45 to 60 psi in level flight) Continuous Green
    • 65 to 130 psi Precautionary Yellow
    • 130 psi Maximum Red

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