11.5 Weather monitoring systems ............................................................................................................................... 79
11.5.1 Wind indication systems.......................................................................................................................................... 79
11.5.2 Weather observation requirements for VFR operations to manned facilities ............................................. 79
11.5.3 Weather observation requirements for IFR/Night operations.......................................................................80
11.5.4 Weather equipment maintenance..........................................................................................................................80
11.6 Airbase rescue equipment..................................................................................................................................... 80
11.7 Airbase fire protection & equipment ................................................................................................................. 80
11.8 Non-directional beacons (NDB) ......................................................................................................................... 81
11.9 Helicopters & helidecks ......................................................................................................................................... 81
11.9.1 General..........................................................................................................................................................................81
11.9.2 Size - definition............................................................................................................................................................81
11.9.3 Helidecks ......................................................................................................................................................................82
11.9.4 Heliports.......................................................................................................................................................................83
11.10 Airports & airstrips................................................................................................................................................. 83
11.10.1 Airstrips/remote runways.........................................................................................................................................83
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11 Airbases
11.1 Definition
An Airbase is an airport or airstrip (unpaved) used for aeroplanes and or helicopters, and heliport (onshore) or helideck (offshore) only for use by helicopters.
11.2 Airbase design reference
ICAO Annex 14 titled Aerodromes, Volumes I & II, should be used as the basic reference docu-ments in all new airbase design considerations, construction or major rework of existing airbases where no local guidance is available.
Additional details are listed in the helideck, heliport and airstrip sections below.
11.3 Airbase design reviews
In all cases a qualified OGP Member’s Aviation Advisor should participate in all preliminary and critical design reviews for Company airbase construction or modification.
The airbase should in the design phase be planned to provide a clear area for a safe approach/depar-ture path into prevailing winds.
All airbases and supporting facilities (fuel systems, hangars, fire suppression, passenger handling areas, etc.) should have periodic (minimum of annual) safety, operational and quality assurance reviews by appropriate regulatory authority or a qualified Aviation Advisor, and by the Operator, and records of such reviews and any remedial actions taken should be maintained. UK CAA CAP437 contains fuel system inspection guidelines.
11.4 Variances
Any variation to the above reference should be forwarded to OGP Member’s Aviation Advisor for consideration as early as possible.
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