Radiotelephony phraseology
Standard phraseology makes radio calls short, clear and unambiguous. Using the right words, and the phonetic alphabet, prevents mistakes.
The phonetic alphabet
Spell letters with Alpha, Bravo, Charlie… so call signs and codes are never confused.
Standard words
Use words like 'roger', 'wilco', 'say again' and 'readback' with their exact meanings.
Numbers & readbacks
Speak numbers clearly and read back clearances so the controller can confirm them.
Regulations cited
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