Limits

  1. Airspeed Limits
    • 130 KIAS  -  Basic VNE
    • 90 KIAS    -  Doors Off
    • 84 KIAS    -  75 - 100% Torque
    • 100 KIAS  -  Max Auto Speed
    • 52 KIAS    -  Min Rate of Descent
    • 69 KIAS    -  Max Glide
  2. Max Altitude
    • 20,000 Ft Hp  -  Max Operating Altitude
    • 10,000 Ft Hd  -  Max Altitude Above 4150lbs GW
  3. Max Gross Weight
    4450 lbs
  4. Generator
    • Continuous Operation   -   0 - 90% DC Load
    • Maximum                    -   90% DC Load
  5. Power Turbine Limits (N2)
    • Avoid Cont Operations   -  71.8 to 91.5%
    • Minimum                     -  99%
    • Continuous                  -  99 - 101%
    • Max Cont                     -  101%
    • Transient, 5 min           -  100 - 103%
  6. Gas Producer Limits (N1)
    • Continuous Operation   -  63 - 105%
    • Max Continous             -  105%
    • Transient, 10 seconds   -  106%
  7. Torque Limits
    • Continuous         -  0 - 75%
    • Max Cont            - 75%
    • Takeoff, 5 mins    -  75 - 100%
    • Max for takeoff    -  100%
    • Transient, 5 secs  -  105%
    • Note:  Use of takeoff power is limited to 84KIAS, or VNE, whichever is less.
  8. Turbine Outlet Temperature (TOT) Limits - C30 Engine
    • Continuous                               -  100° - 716°C
    • Max Cont                                  -  716°C
    • Takeoff, 5 mins                          -  716 - 768°C
    • Max For Takeoff                         -  768°C
    • Power on Transient, 10 secs        -  871°C
    • Beginning 10 sec time (starting)  - 768 (Guage P/N -101)  826 (Guage P/N -103)
    • Max For Starting/Shutdown         -  927°C
  9. Engine Oil Pressure Limits
    • Min Below 79% N1   -  50 PSI
    • Min 79 to 94% N1    -  90 PSI
    • Min Above 94% N1   -  115 PSI
    • Maximun                 -  130 PSI
  10. Engine Oil Temperature Limits
    • Continuous    -   0 - 107°C
    • Maximum      -  107°C
  11. Fuel Pressure Limits
    • Minimum        -  8 PSI
    • Continuous     -  8 - 25 PSI
    • Maximum       -  25 PSI
  12. Engine Starter Limitations (Battery or Battery Cart)
    • 40 Seconds  -  On
    • 30 Seconds  -  Off
    • 40 Seconds  -  On
    • 30 Seconds  -  Off
    • 40 Seconds  -  On
    • 30 Minutes   -  Off

    Note:  28 VDC GPU for starting shall be limited to 500 amps.
  13. Engine Starter Limitations (External Power)
    • 40 Seconds  -  On
    • 30 Seconds  -  Off
    • 40 Seconds  -  On
    • 30 Seconds  -  Off
    • 40 Seconds  -  On
    • 30 Minutes   -  Off

    Note:  28 VDC GPU for starting shall be limited to 500 amps.
  14. Transmission Oil Pressure Limits
    • Minimum        -  30 PSI
    • Continuous     -  40 - 70 PSI
    • Maximum       -  70 PSI
  15. Transmission Oil Temperature Limits
    • Continuous     -  15 - 110°C
    • Maximum       -  110°C
  16. Rotor Limitations NR (Power On)
    • Transient, 5 secs               -  95%
    • Minimum                          -  99%
    • Continuous Operation        -  99 - 101%
    • Max                                 -  101%
    • Transient, 5 mins              -  104%
  17. Rotor Limitations NR (Power Off)
    • Minimum        -  90%
    • Continuous     -  90 - 107%
    • Maximum       -  107%
  18. Engine Anti-Ice Limitations
    • Max Temp for use of Anti-Ice                                                             -  4.4°C (40°F)
    • Engine Anti-Ice shall be used in visible moisture in temps below           -  4.4°C (40°F)
  19. Rotor Brake
    • On during shutdown between     -  38 - 30%
    • Engine starts with rotor brake engaged are prohibited.
  20. Baggage Compartment
    • Max Allowable Weight    -  250 lbs
    • Max Per Square Foot      -  86 lbs
Author
aandry
ID
320978
Card Set
Limits
Description
BH206 L4 Limitations
Updated