Message
Timed Out
Messages
(5 See)
Description
AT 1(2) FAIL
No
A/T has failed.
AT ENGAGEINHIBIT
Yes
Manual selection is inhibited due to engage
interlock.
A/T cannot be engaged under the following
conditions:
. Aircraft on ground (TO not selected or
EPRc 1.17)
. EPR invalid for thrust
modes
● IAS/MACH target invalid for speed modes
● A/T quick disconnect switch depressed
. Valid preselect altitude
● EPR rating not selected
. LP
(Nl) split of 20 percent
. Bleed air isolation valve
open
. Engine out (HP (N2) < 41 percent)
NOTE: This message will not be active unless
the A/T ARM mode is selected.
AT NOT IN HOLD
No Message appears with A/T engaged in TO mode
when CAS is greater than 60 knots and the
HOLD mode is not active.
Message automat-
ically cancels when RAD ALT is greater than
400 ft AGL.
Advisory Messages (Blue)
Table 209
22-14-00
Page 298.178
Aug 15/91
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