CONTROL MODES
NORMAL
SECONDARY
AND DIRECT
FLIGHT CONTROL COMPUTERS
4 ACES
3 PFC
3 AUTOPILOT
NORMAL MODE PROVIDES
FLIGHT ENVELOPE PROTECTION
WHAT PROTECTIONS IN NORMAL?
STALL
OVERSPEED
BANK ANGLE
WHAT CAUSES SECONDARY MODE?
INTERNAL FAULT OR LACK OF INFO?
SECONDARY MODE FUNCTIONS LOST
AUTOPILOT
SPEED BRAKES
PROTECTIONS
TAC
WHAT CAUSES DIRECT MODE
FAILURE OF ALL 3 PFC
MANUALLY SELECTED BY DISC SWITCH
MECHANICAL BACKUP?
IN THE EVENT OF COMPLETE ELECTRICAL LOSS
COMPUTERS AT SHUTDOWN
COMPLETES A FULL SELF TEST