Nat doc 001 Guidance and Information Material Concerning



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icao nat doc 001 air navigation north atlantic
3.2 Flight
Planning
3.2.1 During flight planning, the flight crew should check all conditions that may affect operation in MNPS or RVSM Airspace. These include, but may not be limited to a) reported and forecast weather conditions on the route of flight b) minimum equipment requirements pertaining to height-keeping systems and c) review of the flight plan to ensure correct annotation (in Item 10) for approved
MNPS/RVSM flight.
3.3
Pre-flight Procedures at the Aircraft
3.3.1 The following actions should be accomplished during pre-flight: a) review of maintenance logs and forms to ascertain the condition of equipment required for flight in MNPS or RVSM Airspace. It should be ensured that maintenance action has been taken to correct defects to required equipment b) during external inspection of the aircraft, particular attention should be paid to the condition of static sources and the condition of the fuselage skin in the vicinity of each static source this check maybe accomplished by a qualified and authorized person other than the pilot, e.g. a flight engineer or by maintenance personnel c) before takeoff, the aircraft altimeters should beset to the local altimeter setting (QNH) and should display a known elevation (e.g. an airfield elevation) within the height limits specified in aircraft operating manuals. The two primary altimeters should also agree to within height limits specified by the aircraft operating manual. An alternative procedure using absolute altitude (QFE) maybe used instead and
Note: The maximum height difference between primary altimeters should not exceed 25 mi i ft.


3-2 North Atlantic Guidance Material

7
th
Edition
d) before takeoff, equipment required for flight in MNPS or RVSM Airspace should be operative, turned-on and engaged as necessary, and indications of any malfunction should be resolved.

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