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Old 5th Feb 2011, 20:44
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Scapa
 
Join Date: Oct 2010
Location: hampshire
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A320 Single Engine TOGA Selection

I have looked through recent threads and cant find the answer to my question so here goes:

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From FCOM 1 1.22.30

GO AROUND (GA)
Go-around mode combines the speed reference system (SRS) vertical mode with the GA
TRK lateral mode.
ENGAGEMENT CONDITIONS
Setting at least one thrust lever to the TOGA detent engages both SRS/GA TRK modes,
if :
– The flaps lever is at least in position 1, and
– The aircraft is in flight, or
– The aircraft has been on the ground for less than 30 seconds (AP disengages and can
be re-engaged five seconds after lift-off).
– FD bars are automatically restored in SRS/GA TRK modes.
If FPV/FPD was previously selected, it reverts to FD bars.
The FMA displays “SRS” and “GA TRK” in green.
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So with an engine failure after take off you would normally have FMA's: Flex SRS NAV, should you need TOGA power the FMA's go to: TOGA SRS NAV why does the GA mode not engage as the above engagement conditions are all met?

I know the correct behavior is not to engage GA TRK but cant find the FCOM ref to back it up. All i can find seems to suggest SRS GA TRK should engage.
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