Automatic Flight Control System Flashcards
AFCS stands for?
Automatic flight control system
AFCS provides integration of?
AUTOPILOT and FD SYSTEMS
AFCS ststem consists of?
2 FCC
AUTOPILOT
2 YAW DAMPERS
AUTO ELEVATOR TRIM CONTROL and assorted servis and actuators
Integration of avionics system?
IAPS ..integrated avionics processing system
Located in avionics compartment
Where are the FCCs located?
Mounted inside the IAPS
IAPS
FCC1…………. …………..FCC2
FDs are turned on by?
Selecting a vertical mode
Lateral mode
Engaging autopilot
Sync msg remains on for
3sec
FMA?
ACTIVE. STDBY
LATERAL. LATERAL
…………… …………..
VERTICAL. VERTICAL
Lateral takeoff mode?
Hdg hold within 5 degrees bank
( usung hdg existing at TO)
Annunciated by green TO FMA
Roll mode?
5° or less bank angle?
Holds the heading when mode was initiated
Greater than 5° Bank angle?
Holds current bank angle
Onside loc capture cancels?
Turb mode
Lateral G/A mode?
Heading hold with 5degree bank angle
Pitch mode?
Set to current pitch angle
Each click of vs pitch wheel?
1/2 degree
Pitch mode is automatically selected when
No other vertical mode is active and the flight director is on
How is vertical takeoff mode selected?
By toga switches on the ground