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 skywise logo small  Radiotelephony Manual (CAP 413) Edition 24 - Effective from 28 March 2024

Radiotelephony Manual (CAP 413) Edition 24 is now published. This future edition incorporates editorial changes and all Supplementary Instructions to December 2023. It is effective 28 March 2024.

Radiotelephony Manual (CAP 413) provides pilots, Air Traffic Services and ground personnel with a compendium of clear, standardised phraseology and guidance, for radiotelephony (RTF) communication in UK airspace.


CAP 413 Edition 24 was found to contain errors and has been withdrawn by the CAA. CAP 413 Edition 23 Corr is current at the date of this item.