NORMAL PROCEDURES
AIRPLANE
OPERATIONS
MANUAL
1-02-21
Page
2
Code
02
REVISION 37
AOM-145/1114
HGS Combiner (if applicable) ....................................... SET
Lower the combiner to its operating position and check to verify that
symbology is displayed. Following the combiner check, it may be
stowed or the symbology may be cleared if not desired during any
remaining pre-flight or taxi-out.
Oxygen Pressure ..........................................................CHECK
Both pilots must check their respective masks for supply of oxygen
and for microphone functionality. The masks must be set to 100%
oxygen.
Check on the MFD ECS page if the minimum pressure for flight
crew is 1500 psi for three occupants or 1100 psi for two occupants.
For airplanes equipped with gaseous passenger oxygen system
check on the MFD ECS page if the minimum pressure for
passenger system is 1150 psi.
This oxygen pressure must be enough for the intended flight.
Carry out the test as described in the Before Start-First Flight
procedures.
Flight Number and Clocks............................................. SET
The CPT sets the number of the next flight onto his clock if it is
different from the previous flight number.
The CPT must also change the flight number on the RMU too, if
necessary.
IRS (if applicable).......................................................... NAV
Perform a quick alignment during intermediate stops. Set the knob
to ALIGN and back to NAV without delay.
NOTE: The IRS knob should never be moved to ATT on ground. If for
any reason it is set to ATT, restart the alignment process from
scratch by setting the knob to OFF then back to NAV.
Flight Instruments ......................................................... X-CHECKED
Both pilots must set their respective altimeters to the local QNH.
They must also select an initial course as per the expected
departure procedure. The CPT must also set the HDG bug
according to the intended runway heading.
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