Systems Guide
A318/A319/A320/A321
Professional
SYSTEMS
Systems guide
Vol
4
04-03-25
11 July 2018
ENGAGEMENT CONDITIONS
• Radio Altimeter active
• APP phase is active
• APP NAV mode engaged
• FINAL is armed
DISENGAGEMENT CONDITIONS
• Depressing the APPR pb
• Depressing the LOC pb
• Automatically at MDA (MDH)
• Go AROUND mode selected
GUIDANCE
The aircraft is guide down to MDA/MDH where AP is automatically disconnected.
GO AROUND
This mode is a combination of the SRS vertical and the GA TRK lateral mode.
ENGAGEMENT CONDITIONS
Thrust levers in TOGA detent will engage SRS/GA TRK if slats/flaps lever is in position 1 and the aircraft is
in flight.
DISENGAGEMENT CONDITIONS
• Manually engaging another mode
• Automatically at GA ACC ALT
GUIDANCE
SRS is like SRS take off. Speed will be kept on speed on engagement or V
APP
if that is higher. GA TRK guides
the aircraft along the track the aircraft was at engagement.