Page 58 - Demo
P. 58
2.10/42
REV 20
A330
CHINA AIRLINES
REV 20
PAGE 42
ABNORMAL V ALPHA PROT
Refer to QRH 2.50 OEB Abnormal V Alpha Prot Proc.
IR ALIGNMENT IN ATT MODE
If IR alignment is lost, the navigation mode is inoperative (red ATT flag on the PFD and red HDG flag on ND).
Aircraft attitude and heading may be recovered by applying the following procedure.
– MODE SELECTOR .........................................................ATT – LEVEL AIRCRAFT ATTITUDE.................................... HOLD – CONSTANT AIRCRAFT SPEED.......................... MAINTAIN
The aircraft must stay level, with a constant speed for 30 seconds.
MCDU INITIALIZATION :
– DATA .................................................................... PRESS
The DATA INDEX page is displayed.
– IRS MONITOR ...................................................... PRESS The IRS MONITOR page is displayed.
– AIRCRAFT HEADING .......................................... ENTER The heading must be entered in the SET HDG field.
Due to IRS drift, the magnetic heading must be periodically cross-checked with standby compass and updated, if required.
