Study Material
ICAO Doc 9432: Manual of Radiotelephony (PDF)
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What is ICAO Doc 9432?
Doc 9432 is the Manual of Radiotelephony published by ICAO. It explains how pilots and controllers must speak on the radio so that every message is short, clear and understood the first time.
What you will find inside
- The phonetic alphabet and the correct pronunciation of numbers
- Standard words and phrases such as Roger, Wilco, Affirm and Say again
- Call sign rules and when a call sign may be shortened
- Transmitting technique, readability scale and message structure
- Phraseology for each phase: start-up, taxi, take-off, climb, cruise, approach and landing
- Distress and urgency procedures: MAYDAY and PAN PAN
How to use it for the RTR exam
- Read the phonetic alphabet and numbers chapter first, then practise saying them aloud.
- Learn phraseology phase by phase and compare it with our free phraseology guide.
- Test yourself in the Part 2 simulator by speaking the call before you reveal the model answer.
- Drill the theory side in Part 1 chapters, especially the Doc 9432 phraseology chapter.
Always keep the latest official edition for exam reference. This page is a study aid and is not an official ICAO publication.