Saab 340B, Operation Manual

Page: 174 / 670

AUTOFLIGHT, CAT I
Operation
Aircraft Operations Manual
3.2
S
PAGE 16
Apr 01/15
3. ABNORMAL OPERATION
For Abnormal Operation, also see section 23, ABNORMAL PROCE-
DURES and 24, EMERGENCY PROCEDURES.
CONDITIONS ABNORMAL PROCEDURES
3.1 FD WARNING
ON INDICATIONS
− FD warning (RED) in one or both EADI’s.
− FD command bars disappear (from affected side/sides).
− FD mode annunciation disappear (on affected side/sides).
− If AP engaged, engage lever drops to DISENGAGE, engage annunciation on
EADI disappears and visual (EADI) and aural AP warning comes on.
ACTIONS
1. AP disconnect button PUSH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− This will cancel AP warnings.
− If not effective pull affected side/sides FD CB G − 13, N − 10.
2. CB’s CHECK/RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− CB FD G − 13, N − 10 and AP G − 12, N − 11.
Check mode annunciation before re − engagement.
CAUTION
3. AP engage lever ENGAGED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− Try to re − engage AP.
After landing, with AP and YD disengaged, and before power shut − down,
perform the DIAGNOSTICS REPORT MODE:
See AOM 3.1, Fig. 6 FCS diagnostics.
3.2 AP WARNING
ON INDICATIONS
− AP engage levers drops to DISENGAGE.
− AD warning (red flashing) in both EADI’s.
− AD aural warning (cavalry charge) comes on.
ACTIONS
1. AP disconnect button PUSH . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− This will cancel AP warnings.
2. CB’s CHECK/RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− AP G − 12, N − 11.
Cont’d