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147
meteorological advices
2 – me t eorology
WINDSHEAR - PILOTREPORTING
Wind shear encountered by aircraftmust be reportedby pilots as follows:
• light - shear causingminor excursions from flight path and/or airspeed;
• moderate - shear causing significant effect on control of the aircraft;
• strong - shear causing difficulty in keeping the aircraft todesiredflight
path and/or airspeed;
• severe - shear causing hazardous effects to aircraft controllability;
Pilots encounteringwind shear of intensity ‘moderate’, ‘strong’ or ‘severe’
should immediately report the degree, type of shear and the altitude atwhich
the greatest adverse effectwas experienced. At non-towered aerodromes,
the report should also be broadcast to all aircraft on theCTAF and should
include the name of the aerodrome (AIPGEN3.5).
The responsibility to continue an approach to land, or to take–off following
notification of low level wind shear restswith thepilot in command.
AUTOMATICMETEOROLOGICALBROADCASTS
Routine broadcasts of selected operational meteorological information for use
by aircraft in flight aremade from suitable locations using discrete ground-to-
air frequencies.
AUTOMATICENROUTE INFORMATIONSERVICES (AERIS)
TheAERIS continuously broadcastsMETAR from a network of VHF
transmitters installed aroundAustralia. Details of transmitter sites,
frequencies and locations forwhichMETAR are provided are at ERSAGEN.