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The purpose of this Supplementary Instruction (SI) to the Manual of Air Traffic Services (MATS) Part 1 (CAP 493) is to amend the procedure detailing the use of levels by controllers.

Effective date: 28 March 2022

Status:
Withdrawn
Review comment:
-
Version:
1
Version date:
26-Jan-2022

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This publication features in the following series.

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