747 Ground Proximity Warning System (GPWS)
by jerome meriweather
   

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GND PROX CONFIG GR OVRD Switch GND PROX Flap OVRD Switch GND PROX Light GND PROX G/S Inhibit Switch
747 Photo and/or Graphic Element
  

 

 

GND PROX G/S Inhibit Switch
Inhibits or cancels the below glide slope aural caution and turns off the GND PROX light, when pushed below 1000 feet radio altitude. Mode resets when climbing above 1000 feet or descending below 50 feet radio altitude.
GND PROX Light
Indicates one or more of the seven GPWS mode warning or advisories have been activated. Accompanied by appropriate visual and aural indications for the specific mode.
GND PROX Flap OVRD Switch
Inhibits GPWS warnings and advisories related to flap position. OVRD appears at top of switch when pushed.
GND PROX CONFIG GR OVRD Switch