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? To check the liquid levels i.e. oil, hydraulic and oxygen pressure: ‐ The HYD pb is pressed, to check the hydraulic level ‐ The ENG pb is pressed, to check engine oil level (Refer to FCOM/PRO-NOR-SOP-04-C
BEFORE WALK-AROUND - ECAM)
‐ The DOOR pb is pressed, to check the oxygen pressure level
? To check the position of the surface control levers, for example, slats/flaps, and parking brake.
During the Preliminary Cockpit Preparation, the flight crew must also review all OEBs applicable to the aircraft. The flight crew must pay a particular attention to the red OEBs, and more particularly to the red OEBs that must be applied before the ECAM procedure.
OXYGEN
The ECAM S/D DOOR page displays the oxygen pressure. When the oxygen pressure is below a defined threshold, an amber half box highlights the value. This advises the flight crew that the bottle should be refilled. The flight crew should refer to the minimum flight crew oxygen pressure (Refer to FCOM/LIM-35 COCKPIT FIXED OXYGEN SYSTEM). The prolonged dispatch of the aircraft in such condition is not recommended.
NORMAL OPERATIONS
PRE START
EXTERIOR INSPECTION
Applicable to: ALL
Standard Operating Procedures (SOP) outline the various elements that the flight crew must review in greater detail.
The objectives of the exterior inspection are:
? To obtain a global assessment of the aircraft status. Any missing parts, or panels will be checked against the Configuration Deviation List (CDL) for possible dispatch, and any potential operational consequences.
? To ensure that main control surfaces are in adequate position relative to surface control levers.
? To check that there are no leaks. For example, engine drain mast, hydraulic lines.
? To check the status of the essential visible sensors, i.e. AOA, pitot and static probes.
? To observe any possible abnormalities on the landing gear status:
‐ Wheels and tires status (cut, wear, cracks)
‐ Safety pins are removed
‐ Brakes status (brake wear pin length with parking brake ON)
‐ Length of oleo. Any difference between the two main landing gears must be reported. Typically, a 10 bar low pressure in oleo, leading to 60 mm oleo reduction, decreases the tail clearance by approximately 1 ft.
? To observe any possible abnormalities on the engines:
‐ Fan blades, turbine exhaust, engine cowl and pylon status
‐ Access door closed.
ADIRS INITIALIZATION
Applicable to: ALL
ALIGNMENT
At the beginning of the pre-flight checks, the crew sets the ADIRS selectors to NAV, in order to start
alignment. The alignment takes approximately 10 min, and must be completed before pushback (before any aircraft movement).
IN TRANSIT:
ADIRS re-alignment is only necessary, if one of the ADIRS displays a residual ground speed greater than 5 kt.
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A330/A340 机组训练手册 FCTM Flight Crew Training Manual 1(32)