31-53-00  TAKE-OFF CONFIGURATION WARNING Back

A. System Function

The take-off configuration-warning system (the system) gives a visual and audible warning.

B. System Components(Ref Fig. 1 thru Fig. 5)

The primary components of the system are the:
  • Left condition-lever microswitch
  • Right condition-lever microswitch
  • Elevator trim microswitch
  • Brakes-off microswitch
  • Gust lock microswitch
  • Left power-lever microswitch
  • Right power-lever microswitch
  • Take-off configuration-warning control-relay
  • Take off configuration warning delay relay
  • Take-off configuration-warning test-switch

C. System Operation

If a specified aircraft control or flight surface is in a position that is not safe for a take-off, the system gives a take-off configuration-warning. When this occurs, the system gives outputs to the:
  • Flight-data acquisition unit 1UB1, to show that a take-off configuration warning has occurs (Ref. 31-31-00)
  • Audio warning processor 1WU3, to give the flight crew an audible warning (Ref. 31-52-00)
  • Central annunciator panel 1WQ1, to put on the red CONFIG caption. The red attention-getters flash (Ref. 31-51-00)

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