Activation of the Standby System may be manual or
automatic.Manual activation may be accomplished by:

  • Positioning either Flight Control switch to STBY RUD.
  • Positioning the Alternate Flaps switch to ARM.
Automatic operation takes place under these conditions only:

  • Loss of System A or B and
  • TE flaps extended, and
  • airborne, or wheel speed greater than 60 knots, and
  • FLT CONTROL switch A or B is ON.
Hydraulic System SGR
Select
or