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6 – i ndex
Aeronautical InformationCircular (AIC):
Anotice containing
information that does not qualify for theoriginationof aNOTAM,
or for inclusion in theAlP, butwhich relates toflight safety, air
navigation, technical, administrativeor legislativematters.
Aeronautical InformationPublication (AIP):
Apublication
issuedbyorwith the authorityof aState and containingaeronautical
informationof a lasting character essential to air navigation.
AIPSupplement (SUP):
Temporary changes to the information
contained in theAIPwhich arepublishedbymeans of special pages.
AircraftClassificationNumber (ACN):
Anumber expressing the
relativeeffect of an aircraft on apavement for a specific standard sub-
grade category.
AircraftParkingPositionTaxilane:
Aportionof anapron
designatedas a taxiway and intended toprovide access to aircraft
parkingpositions only.
Air-GroundCommunications:
Two-way communications between
aircraft and stations on the surfaceof theearth.
Air-Report (AIREP):
A report from an aircraft inflight preparedby the
pilot during the courseof aflight in conformitywith the requirements
for position, operational ormeteorological reporting in theAIREP
form.
AirTaxiing:
Movement of ahelicopter / VTOL above the surfaceof an
aerodrome, normally inground effect and at a speednormally less
that 20 kt.
AirTrafficControlClearance:
Authorisation for aircraft to
proceedunder conditions specifiedbyanAir TrafficControl unit.
Note: For convenience, the term ‘Air TrafficControl Clearance’ is
normally abbreviated to ‘Clearance’ whenused inappropriate
context.
AirTrafficControl Instructions:
Directives issuedbyair traffic
control for thepurposeof requiring apilot to takea specific action.
definitions