Topic Author
Posts: 35
Joined: Mon Mar 08, 2004 5:44 am

Transition Levels

Wed Mar 17, 2004 3:28 am

Can anyone explain what in ATC parlance is meant by "Transition Level"?
Posts: 5561
Joined: Thu Dec 13, 2001 8:27 pm

RE: Transition Levels

Wed Mar 17, 2004 3:41 am

That should be 18,000 ft MSL, when all aircraft transition to the jet routes and use 29.92 as the altimeter setting.
Last year 1,944 New Yorkers saw something and said something.

RE: Transition Levels

Wed Mar 17, 2004 3:50 am

Dear Foxbravo03 -
Our friend Jhooper gave it to you - for USA... But I see you are in Ireland.
Dont have the Shannon or Dublin approaches handy.
But I will give it to you the Irish ATC way...
"Clear to (descend) 4,000 feet, transition level 50, QNH is 1007 hPa..."
At 5,000 feet (TRLVL 50) the pilots will reset their altimeter to 1007.
Transition level vary just about everywhere, in USA, it is 180...
Happy contrails  Smile
(s) Skipper
Topic Author
Posts: 35
Joined: Mon Mar 08, 2004 5:44 am

RE: Transition Levels

Wed Mar 17, 2004 4:03 am

Hello again,
Thanks very much,Jhooper,and B747Skipper.I guessed there would probably be a difference between the US and Europe.
Thanks again,
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Joined: Mon Oct 08, 2001 9:44 pm

RE: Transition Levels

Wed Mar 17, 2004 5:09 am

Generally it is FL30 or 3.000 ft.It is the level below or above which altitude is stated whether in feet or in FL respectively.

Posts: 614
Joined: Sat Sep 15, 2001 7:59 am

RE: Transition Levels

Wed Mar 17, 2004 7:58 am

Maintain own separation with terrain!

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