Saab 340B, Operation Manual

Page: 213 / 670

AUTOFLIGHT, CAT II
Operation
Aircraft Operations Manual
3.2
O
PAGE 15
Apr 01/15
CONDITIONS NORMAL PROCEDURES
(Cont’d)
11. Altitude set knob (APA) SET GA ALT . . . . . . . . . . . . . . . . . . . . . . . . . .
− The pilot is the master monitor and progress should be continuously as-
sessed during the approach using ILS raw data.
− In CAT II approaches, the Autopilot must be coupled and should remain en-
gaged down to the minimum use height.
CAUTION
* Only required for CAT II approach.
2.16 GA MODE 1. GA button on power levers PRESS . . . . . . . . . . . . . . . . . . . . . . .
− Check EADI to annunciate GA.
− AP/YD disengages.
− FD commands existing heading and a fixed pitch attitude.
− HDG indicator remains at preset heading.
Re − engagement of AP:
Condition for re − engagement:
− Radio height equal to or greater than 200 ft.
2. AP/YD ENGAGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check EADI to annunciate:
− GA as lateral mode.
− VS as vertical mode.
3. HDG button PRESS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− Check EADI to annunciate HDG.
− The FD/AP will now give commands to aquire and hold preset HDG.
4. Monitor the system when approaching the selected go − around altitude.