Boeing 737 Review
Control Stand  700/800/900
Display Selector
Flap Lever
FLAP Lever

  • Selects position of flap control valve, directing hydraulic
    pressure for flap drive unit.

  • Position of the LE devices is determined by selecting the TE
    flap position.

  • Flap positions 30 and 40 arm the flap load relief system.

Flap Gates







Prevent inadvertent flap lever movement beyond:

  • Position 1 - To check flap position for one engine
    inoperative go-around.

  • Position 15 - To check flap position for normal go-around.