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UK Civil Aviation Regulations

These are published by the CAA on our UK Regulations pages. EU Regulations and EASA Access Guides published by EASA no longer apply in the UK. Our website and publications are being reviewed to update all references. Any references to EU law and EASA Access guides should be disregarded and where applicable the equivalent UK versions referred to instead.

This edition is an updated version of the Radiotelephony Manual (CAP 413) containing updates for
Radiotelephony and Aerodrome Phraseology.

Supplementary Instructions (SIs) to CAP 413 are issued ahead of amendments. CAP 413 should be read in conjunction with current CAP 413 SIs.

Review comment:
Effective date 21 January 2021. Due to publication issues, Edition 24 of CAP413 has been withdrawn; Edition 23.1 and its associated supplementary instructions remains valid. Edition 24 will be released in due course.
Version date:
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