Radiotelephony and English

Close-up of a pilot's thumb pressing the push-to-talk button on a light aeroplane's control yoke, with a headset microphone and radio stack behind
AI-generated illustration

Radiotelephony is a small shared vocabulary so that pilots and controllers hear the same instruction. English is the usual language of international flights. A club frequency may use the local language. The exam and any language endorsement are state rules, not a vibe.

Updated 17 October 2026

Phraseology is a script

Standard words exist so that “cleared to land” and “line up and wait” are not paraphrases. The point of practice is to say the script, read back what you were given, and notice when you were not given it.

A radio exam, where a state requires one, is a test of that script. In the UK, for example, you need a separate Flight Radio Telephony Operator’s Licence (FRTOL) to use the radio. It is not the same thing as being comfortable in conversation, and a pass in one format is not automatically a pass in another state’s format.

English and the local frequency

International air traffic is commonly conducted in English. A domestic training flight may spend the hour on a frequency where the local language is what the other aircraft are using. You need the language that frequency actually uses, which can be both.

ICAO publishes a six-level language proficiency scale. Level 4 (operational) is the minimum for international operations. Under EASA rules a Level 4 endorsement must be reassessed every 4 years and Level 5 every 6 years, while Level 6 (expert) does not need reassessment. It is an assessed level, not a feeling that your English is good enough. A club checkout is not that assessment.

How to practise without inventing clearances

Read back what was said, not what you hoped was said. If you missed a runway, a level, or a frequency, ask for it again. That habit matters more than speed.

This page has no sample clearance to memorise. A made-up clearance would be easy to confuse with a real one. Use the phrases your instructor and the state’s radiotelephony manual give you.

Sources

Checked on 17 October 2026. Rules are amended, so read the current text before you rely on a figure.

  • EASA FAQ, Reassessment of language proficiency: https://www.easa.europa.eu/en/faq/142108
  • UK CAA, English language proficiency testing and flight crew licensing: https://www.caa.co.uk/general-aviation/pilot-training-organisations/english-language-proficiency-testing-and-flight-crew-licensing/
  • UK CAA, National Private Pilot Licence (NPPL): https://www.caa.co.uk/general-aviation/pilot-licences/uk-national-licences/nppl-national-private-pilot-licence