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Airways in Australia

Old 29th Nov 2012, 13:14
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Airways in Australia

Is there any reason or significance to the assignment of letters to airways in Australia. The USA seems to have some logic, with J for airways >FL180 and V<FL180. Yet Australia seems to use just about every letter in the alphabet?
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Old 29th Nov 2012, 15:28
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2.1 Air Routes
2.1.1 Air routes consist of ATS conventional and Area Navigation
2.1.2 The following designators are used to identify ATS conventional and Area Navigation routes:
a. Conventional Routes:
Regional routes A, B, G and R.
Domestic routes H (one way) & J (two way). Domestic routes V (one way) & W (two way) - predominantly low-level.
b. Area Navigation Routes:
Regional routes (Tasman) L, M & N.
Domestic routes Q (180_ - 359_), Y (360_ - 179_),
T (two way) & Z (low level).
And actually, in the US, V is a VOR or VORTAC defined route, J is a jet route on Enroute High charts, again, VOR or VORTAC defined, T & Q routes are Enroute Low & High RNAV routes, but yes, Australia does have a couple more and you still have to look up their names for a flight plan, so what's the difference? Australia just gives you more information, ie. one or two way routes.
Some US states also have four types of coloured airways on L/MF (NDB) defined routes, depending if they're N/S or E/W. Not so simple now.

Last edited by MakeItHappenCaptain; 29th Nov 2012 at 15:54.
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