Chinook CH-47/Emergency Procedures

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1 General

This section describes the most common helicopter emergencies that may be encountered in the Chinook, and the appropriate actions to address those emergencies.

2 Definitions

The following terms apply for this section:

  • The term LAND AS SOON AS POSSIBLE is defined as a landing to the nearest suitable landing surface. Survival of the occupants is considered the highst priority.
  • The term LAND AS SOON AS PRACTICABLE means land at the nearest suitable airfield or heliport.
  • The term AUTOROTATE means adjusting the controls to establish an autorotation and landing. This generally means thurst control full down, then adjust as necessary to maintain 100% rotor RPM.


3 Emergency Warning Signals

This helicopter is equipped with a troop alarm and jump light system. The following standard signals can be used to notify occupants:

  • Prepare for ditching or crash landing - 3 short rings
  • Water contact - Sustained ring

4 Emergency Checklists