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transition level

EASA defines “transition level” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

‘transition level’ means the lowest flight level available for use above the transition altitude;

Article 2 · Standardised European Rules of the Air (SERA) · Regulation (EU) No 923/2012 · Easy Access Rules, 26 Aug 2025 revision · Read Article 2

Also in the aviation glossary

Transition Level (QNE) FAA IPH
The lowest flight level available for use above the transition altitude.

Defined in the same article

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