Pre-Flight Planning resources

Pre-Flight Planning

Meteorology

Aerodrome forecasts

Aerodrome forecasts (TAF) AIP GEN 3.5

Aerodrome forecasts are a statement of meteorological conditions expected for the specified period in the airspace within a radius of five nm of the centre of the aerodrome reference point.

The TAF service is typically provided in accordance with the aerodrome’s TAF category, the category being determined by the aerodrome type.

Category Aerodrome type Routine TAF service

A

International

Issued 6 hourly, valid for 24 or 30 hours.

Commencement times 00, 06, 12 and 18 UTC.

B

Large

Passengers above 150,000
or
Movements above 75,000

Issued 6 hourly, valid for 12 or 18 hours.

Commencement times 00, 06, 12, 18 UTC.

C

Medium

Passengers above 50,000
or
Movements above 10,000

Issued 6 hourly, typically valid for 12 hours.

Commencement times are 02, 08, 14 and/or 20 UTC, except in Western
Australia where commencement times are 04, 10, 16 and/or 22 UTC.

D

Small

Aerodromes meeting
passenger and movement
thresholds, or other
operational criteria.

Issued 6 or 12 hourly, valid for up to 12 hours.
Commencement times are typically 20 and/or 02 UTC, except in Western
Australia where commencement times are typically 22 and/or 04 UTC.

 

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