206B3 Emergency Procedures

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  1. Engine Hot Start
    • Starter....................Engage and Hold 
    • Throttle...................Close 
    • Fuel Valve Switch.....Off 
    • IGN ENG C/B...........Out 
    • Starter Switch.........Remains engaged until TOT is <200 C and a min of 10 secs
  2. Exterior Engine Fire
    • Throttle............Close 
    • Starter swit.......Release
    • Fuel Valve Swit..Off
    • Bat Swit............Off
    • GPU..................Off
    • Rotor Brake.......Engage
    • Allow rotors to stop 
    • Helo.................Egress
    • Note
    • At pilot's discretion, fight fire with the on-board fire ext
  3. Engine Fire
    • Helo........................Est. Auto 
    • Throttle...................Close 
    • Collective................Maintain 90% to 107% 
    • Blower A/C switch....Off
  4. Cabin Fire
    • Helo.........................Start descent 
    • Blower A/C Swit.........Off
    • Vents........................Open 
    • Windows...................Open 
    • Helo.........................Land as soon as possible, do an emerg shutdown.
  5. Electrical Fire
    • Gen Switch.....................Off 
    • Bat Switch......................Off 
    • If: Fire, smoke/fumes persists 
    • Vents.............................Open 
    • Helo..............................Land ASAP, do an emerg shutdown
  6. Engine Failure at hover or taxi
    • Pedals...................Align Skids, maintain direction 
    • Cyclic....................Control direction, attitude and drift 
    • Collective...............Cushion landing
  7. Engine failure in-flight
    • Helo...........................Est. Auto 
    • Collective....................Maintain 90% to 107%
    • Blower A/C Swit...........Off 
    • Starter Swit.................Engage (Attempt an immediate restart within 10 secs if failure is not mechanical) 
    • If engine fails to restart 
    • Throttle......................Closed 
    • Helo..........................Complete Auto Ldg
  8. Governor/ FCU - High Side Failure
    • Collective..................Maintain 90% to 107%Nr
    • Throttle....................Maintain 97% to 100%N2
    • If unable to maintain powered flight 
    • Throttle....................Close 
    • Helo.........................Est Auto 
    • Collective..................Maintain 90% to 107%Nr
    • Blower A/C Swit.........Off
    • Fuel Valve Swit..........Off
    • Helo.........................Complete Auto Ldg
  9. Governor/FCU - Low Side Failure
    • Collective................Maintain 90% to 107% Maintain eng rpm with collective 
    • Throttle..................Full
    • GOV RPM Swit.........Increase to max 
    • Blower A/C swit.......Off
    • If unable to maintain powered flight 
    • Helo......................Est Auto 
    • Collective...............Maintain between 90% to 107%Nr 
    • Helo......................Complete Auto Ldg
  10. Main Drive Shaft Failure
    • Helo........................Est Auto 
    • Collective.................Maintain 90%-107%Nr
    • Throttle...................Maintain 97%-100%N2 
    • Blower A/C Swit.......Off 
    • Helo.......................Complete Auto Ldg
  11. Rotor Low RPM (RPM below 90+/-3%Nr)
    • Collective.....................Reduce 
    • Throttle.......................Full
    • GOV RPM(beep)switch...To Max 
    • Blower AC switch...........Off 
    • If rotor RPM still decreasing 
    • Helo...........................Treat as Eng Fail
  12. Tail Rotor loss of Thrust/Components
    Warning:
    Aggressive application of aft cyclic can cause the main rotor to contact the tailboom. When pitched nose-down, do not aggressively apply aft cyclic. Catastrophic damage can result from main rotor contact with the tailboom.

    • Helo.............................Est Auto, complete controllability check 
    • If adverse yaw is encountered
    • Helo............................Resume Auto 
    • Throttle.......................Close for landing 
    • Helo...........................Land ASAP
  13. Pedals locked at hover (left YAW)
    Warning:
    Application of power below 30 KIAS can start a rapid rotation to the right. Consider the helicopter committed to land below 30 KIAS. Rapid rotation with the pedals locked can result in loss of control.

    • Cyclic.....................Eliminate drift 
    • Collective...............Lower 
    • Throttle.................Maintain power to decrease the rate of left rotation 
    • Accept left rotation
  14. Pedals locked at hover (Right YAW)
    • Throttle.......................Idle 
    • Cyclic..........................Eliminate Drift 
    • Collective....................Cushion Ldg
  15. Hydraulic System hardover
    • Hydraulic System Swit............Off
    • Helo.....................................Land ASAP
  16. Ditching (power-off)
    • Helo..........................Est Auto 
    • Collective...................Maintain 90%-107%Nr 
    • Blower A/C Swit..........Off
    • Doors........................Open and locked 
    • Cyclic........................Reduce GS to 0 before touchdown
    • Collective...................Min Rate of decent as rotorcraft settles into the water.
    • Helo..........................Allow rotors to stop and egress.
  17. Emergency Shutdown 
    Warning:
    Caution:
    • Warning: Rapid engagement of rotor brake on ice or slippery surfaces can cause the rotorcraft to rotate. Avoid rapid rotor brake engagement on slippery surfaces. Sudden rotorcraft rotation can cause loss of control. 
    • Caution: Low rotor rpm and wind can cause excessive rotor flapping and/or coning. Do not use collective and/or pedal inputs to slow the main rotor blades. Excessive flapping or coning can cause equipment damage.
  18. Emergency shutdown
    • Throttle...............Close and hold until N1 is 0 
    • Fuel Valve Swit....Off
    • Bat Swit.............Off
    • Rotor Brake........Engage, allow rotors to stop
    • Helo...................Open or jettison doors and egress.
  19. Engine restart (in-flight)
    Caution:
    TOT rises rapidly in engine restart at high altitude. Do not do an engine restart above 12000'. Engine restart above 12000' will cause TOT to rise too fast to control.

    • Altimeter..............Check for sufficient Altitude
    • Collective.............Maintain 90%-107% Nr
  20. Free Wheel Unit failure
    • Helo...............Est Auto 
    • Collective........Maintain 90%-107%Nr
    • Throttle..........Idle
  21. Engine Compressor stall
    • Collective..................Reduce 
    • Eng Anti-Ice Swit.......On 
    • Heat Vent Swit..........On 
    • Blower A/C Swit........Off 
    • If problem continues
    • Helo........................Land ASAP be prepared for an engine failure at any time
  22. Engine Oil Press
    • Engine oil Press and Temp gauge....Monitor gauge
    • Helo...........................................Land ASAP
  23. Transmission Oil Temp
    • Collective.............Reduce power, monitor gage 
    • Trans oil temp caution light remains on 
    • Helo....................Land ASAP
  24. Transmission oil pressure (below 30PSI)
    Helo....................LAND ASAP, monitor gage
  25. Fuel boost pump failure
    Warning:
    Bank/Pitch inputs combined with a low fuel condition can cause air ingestion in the fuel lines. Do not exceed 10 deg bank or pitch with less than 15 gal. Air ingestion can cause loss of power or engine flameout.

    • Fuel Press..................Check 
    • Helo..........................Land ASAP a dual pump failure can cause the loss of head pressure to the eng-driven fuel pump and result in power loss
  26. Engine Fuel Filter
    Helo.................Land as soon as practical
  27. Battery Hot (reached 60 C)
    • Bat Swit...................OFF 
    • Visors......................Down 
    • Helo........................Land ASAP, do an emergency shutdown, avoid the battery compartment area.
  28. Metallic Particles
    • Chip FAULT caution light switch....Press then release 
    • Helo.........................................Land ASAP
  29. Icing Conditions
    Warning:
    • Turning the ENG ANTI-ICE ON after encountering icing can cause ice to break off the inlet guide vanes and enter into the compressor. Unless absolutely necessary the helo is to be landed and shutdown prior to continuing flight with the ENG ANTI -ICE ON. Ice ingestion into the compressor can cause engine damages and loss of power.
    •  Helo............Fly clear of icing conditions

Card Set Information

Author:
delorey.ma
ID:
319778
Filename:
206B3 Emergency Procedures
Updated:
2016-05-15 21:10:54
Tags:
Bell 206 emergencies
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Description:
206 CMIs
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