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2 Answers


Asked by: 1796 views Airspace, General Aviation


please help me differentiate between transition altitude and transition level. is there any method to calculate transition altitude and transition level? where can i find these for different airports.

thanking in advance

2 Answers

  1. Matthew Waugh on Jan 27, 2013

    Altitude on the way up, level on the way down. Some countries (the US for example) have a standard transition alititude/level and some countries have a variable one, and typically publish it the airport plates.

    I’m not sure how you would calculate it – there’s the fun theoretical calculation(s) of relating one to another and to actual altitude, but I’m not sure they have a practical purpose.

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  2. JB on Jan 28, 2013

    …and the area between the TA and TL is the Transition Layer. ATC is NOT to clear you to an altitude in the Transition Layer

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