Showing 11 to 19 of 93 results
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CAP 413 SI 2021/01: RT Phraseology for RNP IAPs at Aerodromes with AGCS
The purpose of this Supplementary Instruction (SI) is to detail changes made to the Radiotelephony Manual (CAP 413) relating to the introduction of phraseology for Air/Ground Communications Service (AGCS) radio station operators and Aerodrome Flight Information Service Officers (AFISO) who operate at aerodromes with required navigation performance (RNP) instrument approach procedures (IAPs)
Publication status: Current
Last updated: 22 February 2024
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CAP 413 supplementary instructions (SI)
Last updated: 24 June 2025
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CAP 413 SI 2022/02: Use of Cooperative ATS Surveillance Systems in Flight Information Service
Publication status: Current
Last updated: 22 February 2024
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CAP 452: Aeronautical Radio Station Operator’s Guide
CAP 452 provides guidance to persons who operate or wish to operate aeronautical radio stations.
Publication status: Current
Last updated: 11 April 2024
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CAP 452 (PDF)
Not all phraseology shown in CAP 413 Radiotelephony Manual is available to station operators.
Last updated: 22 February 2024
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CAP 452 SUP (PDF)
Chapter 1 Page 3March 2012 INTENTIONALLY LEFT BLANK CAP 452 Aeronautical Radio Station Operator’s Guide Chapter 2 Communications Techniques, Procedures and Phraseology 1 Reference Material 1.1 Information about communications techniques, procedures and phraseology are contained in CAP 413 Radiotelephony Manual (www.caa.co.uk/CAP413). 1.2 Operators of aeronautical radio stations are reminded that only the phraseology appropriate to the service being provided is to be used.
Last updated: 22 February 2024
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Safety Sense Leaflet 01 (PDF)
If you have lost contact on that frequency or they cannot help you, then change to 121.5 MHz and use Training Fix, PAN or MAYDAY, whichever is appropriate (see LOST CAP 413 ‘Radiotelephony Manual’).
Last updated: 22 February 2024
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CAP 794 (PDF)
AIP GEN 1.7, CAP 413 ICAO Doc 4444 12.3.2.4 (c) 'CRUISE CLIMB' is not used in the UK.
Last updated: 22 February 2024
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CAP2118 (PDF)
CAP 413 and its application.
Last updated: 08 August 2025