INSTRUMENTS AND RECORDERS, AIR DATA SYSTEM
Operation
Aircraft Operations Manual
12/1.2
PAGE
3
Jun30/15
2.
NORMAL OPERATION
CONDITIONS
NORMAL PROCEDURES
2.1
POWER UP
1.
L and R AVION switches
ON
. . . . . . . . . . . . . . . . . . . . . . . . .
- The Air Data system is switched ON/OFF by L and R AVION switches.
2.2
PREFLIGHT
CHECK
1.
Altimeters
SET AND CHECK
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- On left indicator, check that no flag is visible.
- Set all altimeters to local QNH or QFE as applicable and crosscheck the
altimeters readout.
- Check altimeters to indicate altitude of actual aircraft position as per
national regulations.
- Check difference between left, right and standby altimeters.
2.
IAS indicator
CHECK
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- On left indicator, check that no flag is visible and indication at zero.
- Check difference between left, right and standby IAS indicator.
3.
Vertical speed indicators
CHECK
. . . . . . . . . . . . . . . . . . . . . . . . .
- On left indicator, check that no flag is visible and indication at zero.
- Check for no difference.
4.
SAT/TAS indication on EHSI
CHECK
. . . . . . . . . . . . . . . . . . . . .
- Check that indication is normal.
2.3
OPERATION OF
ALTITUDE
PRE- SELEC-
TOR ALERTER
1.
Altitude set knob
SET DESIRED
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ALTITUDE.
- Monitor the system when approaching the selected altitude.
- Verify altitude alert at 1000 ft prior to the set altitude and that the annunci-
ation on the EADI changes from armed (ALTS in white) to capture (ALTS in
green) when approaching the selected altitude.
- This action will also provide selected altitude information to the autopilot for
automatic altitude capture. Also see AOM 3.2., AUTOFLIGHT.
2.4
VNAV
(if installed)
1.
See AOM 3.2., AUTOFLIGHT.
