ICAO English test: free online practice

Under FCL.055, aeroplane, helicopter, powered-lift and airship pilots who are required to use the radio telephone may only exercise the privileges of their licences and ratings if they hold a language proficiency endorsement on the licence. The endorsement is for either English or the language used for radio communications on the flight, and it records the language, the proficiency level and the validity date. In practice, if you fly internationally, the language you need is English.

The minimum acceptable level is operational, Level 4, demonstrated to an assessor certified by a competent authority or to an approved language testing body. You must show you can handle both standard radiotelephony phraseology and plain language: communicating in voice-only and face-to-face situations, speaking with accuracy and clarity on common and work-related topics, using strategies to recognise and resolve misunderstandings, coping when an unexpected turn of events complicates a routine situation, and speaking with an accent that the aeronautical community can understand.

Holders of an instrument rating have a specific additional requirement: FCL.055(d) requires them to have demonstrated the ability to use English at the appropriate proficiency level. The rule itself covers understanding the information relevant to every phase of flight, using radiotelephony in all phases of flight including emergencies, and communicating with the rest of the crew in English; the associated guidance adds understanding English-language documents such as manuals, charts and NOTAMs.

Student pilots meet the requirement through the same route: your training organisation will normally arrange the assessment before you exercise radio privileges alone. If you sit your ATPL theory and fly in an English-speaking training environment, you are already building exactly the language the assessment measures.

Assessors do not give you one global impression mark. They rate six separate skills, defined in the AMC to FCL.055 and in the ICAO rating scale, and each one can be trained on its own. The six skills are:

• Pronunciation

  How much your accent, stress, rhythm and intonation interfere with being understood. An accent is fine; an accent that blocks understanding is not.

• Structure

  Your control of grammar and sentence patterns, from basic (past tenses, questions) to complex (conditionals, reported speech), and whether errors change the meaning.

• Vocabulary

  The range and accuracy of the words you use for common, concrete and work-related topics, and your ability to paraphrase when a word is missing.

• Fluency

  Your tempo and hesitation, and whether you can produce stretches of speech, not just single phrases. Raters also listen for rehearsed versus spontaneous speech.

• Comprehension

  How accurately you understand what you hear, on routine topics and when a situation takes an unexpected turn, across different accents.

• Interactions

  How you manage the exchange: immediate, informative responses, and checking, confirming or clarifying when something is unclear.

The trainer on this page targets all six skills: a vocabulary trainer, a structure trainer, a listening trainer, a speaking studio for pronunciation, fluency and interactions, and a timed mock test that ends with a guided self-assessment against these six skills.

The ICAO scale runs from Level 1 (pre-elementary) to Level 6 (expert). Levels 1 to 3 all sit below the licensing requirement, so most preparation effort goes into understanding what separates Level 3 from Level 4, and what extra range earns a 5 or a 6. In our own words:

Plain-language paraphrase in our own words; the authoritative wording is the rating scale in AMC2 FCL.055 and ICAO Doc 9835.

One rule surprises almost every candidate: your overall level is the LOWEST of your six skill ratings, not the average. Five skills at Level 5 with pronunciation at Level 3 gives an overall Level 3, and no endorsement. The rule exists because radio communication fails at its weakest link, and it means your practice time is best spent on your weakest skill, not your strongest. This trainer's progress tracking points you at exactly that.

FCL.055(c) sets how long a demonstrated level lasts before it must be re-evaluated. The stronger your result, the longer the interval:

The exact administrative procedure (who signs the endorsement, how early you can re-test, which testing bodies are approved) belongs to your national competent authority, so always check its current guidance alongside the EASA rule.

Common test formats

There is no single worldwide exam. The requirement is common, but each competent authority approves its own assessors and language testing bodies, and several established test products exist. The shape is broadly similar everywhere: a listening element, a speaking interview about aviation topics, and interaction with an assessor, often including picture description or radiotelephony-style scenarios. Well-known examples include:

• TEA (Test of English for Aviation)

  Mayflower College (UK)

  A live one-to-one interview with an examiner: aviation topics, listening to recordings and describing situations, typically 25 to 30 minutes.

• ELPAC

  EUROCONTROL

  Developed for aeronautical communication; a listening paper plus an oral interaction paper, used for both controllers and pilots in many states.

• RELTA

  RMIT University (Australia)

  A test for pilots and air traffic controllers, with listening comprehension based on radiotelephony recordings and a structured speaking interview.

• National authority tests

  Your competent authority or its approved language testing bodies

  Many states run or approve their own assessments; some allow the demonstration during a skill test or proficiency check with a suitably qualified examiner.

Do not memorise speeches. The fluency descriptor explicitly distinguishes rehearsed from spontaneous speech, and assessors steer the conversation to unexpected topics precisely to hear you think in English. Practise producing new sentences about aviation, not reciting prepared ones.

Narrate your flying out loud. Pick any flight, real or imagined, and tell its story in the past tense for two minutes: what happened, what you did, how it ended. This single exercise trains structure (past narration), fluency (stretches of speech) and vocabulary (precise technical words) at the same time.

Train the paraphrase reflex. When you cannot remember a word, the rated skill is not knowing every word, it is talking around the gap without stopping. Describe objects in the cockpit without naming them, then check what the exact word would have been. Our vocabulary trainer's plain-English category drills exactly this.

Listen wider than phraseology. Comprehension is rated on plain language too, across different accents. Listen to aviation podcasts, incident narrations and live ATC recordings, and summarise out loud what you heard. If you fly IFR, remember the English requirement of FCL.055(d) extends beyond the radio to documents and crew communication.

Learn the repair tools until they are automatic: say again, confirm, correction, I say again, stand by. Interactions are rated on how you detect and fix misunderstandings, and those five expressions are the professional way to do it.

Finally, be honest about your weakest skill, because the lowest of the six ratings becomes your overall level. Ten hours on your weakest skill can raise your endorsement level; ten more hours on your strongest cannot.

Comprehension is one of the six rated skills, and it is rated on more than phraseology. The rating scale expects you to understand plain language on common and work-related topics, and to keep understanding when a situation takes an unexpected turn or an unfamiliar accent appears. Two very different listening diets feed that ability: radiotelephony exchanges, which are dense, fast and formulaic, and plain aviation English, which is slower but far less predictable.

The listening trainer above mirrors that split. Radio exchange recordings are short controller and pilot dialogues passed through a radio effect, so callsigns, numbers and instructions arrive the way they really sound on frequency. Plain English recordings use a clean voice: passenger announcements, crew and weather briefings, maintenance discussions, safety debriefs and interview style narrations. Every recording comes with a what-to-listen-for hint before you press play, two to four questions, and the full transcript with a teaching note per question after you answer, never before.

Use practice mode first: replay freely, answer, then replay while reading the transcript. When a set feels comfortable, switch to test mode, which limits each recording to two plays, the discipline most formal listening tests apply. And predict before you play: the setting line tells you who is speaking and why, so guessing the likely numbers and decisions before you hear them trains exactly what a fluent listener's brain does automatically.

Three habits move listening scores fastest. First, own the number system: runway digits, frequencies with decimal, clock times versus durations, and the fifteen/fifty pairs that ambush almost every learner. Second, listen for structure words such as first, second, but, if and because: they announce how many facts are coming and how they relate. Third, after every wrong answer, replay the clip while reading the transcript and find the exact word you lost. The miss is usually one word, not the whole sentence.

One honest note: these recordings are computer generated voices reading our own original scripts, the same offline system that voices the ATIS broadcasts in our ATC simulator. That makes them consistent, free and safe to publish, but no synthetic voice replaces exposure to real, varied human accents. Round out your preparation with live ATC streams, aviation podcasts and incident documentaries, and summarise out loud what you heard.

Four of the six rated skills live in your mouth: pronunciation, structure, vocabulary and fluency are all judged on the speech you produce, and interactions adds how you handle the conversation around it. That is why every serious ICAO English interview makes you speak at length: describe a picture, narrate an experience, explain an opinion. Reading and listening practice alone cannot train this; at some point you have to produce sentences out loud, under light time pressure, about aviation.

The speaking studio above gives that production practice three shapes. Picture description puts an aviation scene in front of you, a drawn situation such as a storm ahead, a ground incident or a fog-bound taxiway, and a visible sixty-to-ninety second timer, the discipline real picture tasks use. When the time is up you tick a coverage checklist (did you mention the setting, the problem, the reaction, the likely consequence?) and only then read a model description with its useful vocabulary highlighted. The order matters: speak first, compare second, so the model raises your ceiling instead of replacing your effort.

Interview practice trains the answers themselves. The questions are grouped the way assessors group them, your background, routine operations, non-routine experiences, opinions and speculation, and every question carries a structure coach built on four beats: situation, action, outcome, reflection. An answer that sets the scene, says what was done, gives the result and adds what it meant sounds organised in any accent. Each model answer is an original example written to that frame, with a note explaining what makes it work against the rating scale.

Read-aloud drills work at the sentence level, where stress and rhythm live. You hear a computer-generated model reading, read the same sentence aloud, and if you allow dictation you see, word by word, what the browser's recogniser caught. One honest sentence about that technology: it is a practice aid, not a pronunciation judge. A missed word means the recogniser did not hear it clearly, which is useful clarity feedback, but no browser can rate your pronunciation the way a trained assessor does, and this tool never pretends to.

Dictation is optional everywhere. Every exercise has a full no-microphone path: speak out loud, tick your own checklist, rate your own reading. Speaking alone in front of a screen feels strange for about two sessions, then it becomes the cheapest interview preparation there is, because the thing the test measures, producing organised aviation English in real time, is exactly the thing you are doing.

The mock test above follows the shape most language proficiency interviews share: a spoken interview about your background, routine operations and non-routine experiences; a listening element where each recording plays a limited number of times; and a picture description followed by discussion questions that move from the picture to your own experience and opinions. One sitting takes about 25 to 30 minutes, plus a few minutes for the guided self-assessment at the end. It is deliberately a generic shape: it does not copy the format, questions or scoring of any particular test product, because each competent authority approves its own tests and formats differ in the details.

Some parts translate directly. The time pressure is real: you speak against a visible clock, exactly the discipline a live interview imposes. The two-play limit on recordings matches how formal listening sections work. Answering comprehension questions with no feedback until the end, and only then seeing the transcripts, mirrors the real experience of walking out unsure how it went. And the six-skill self-assessment applies the actual logic of the rating: six separate estimates, with the overall level equal to the lowest of the six.

Other parts cannot be reproduced, and it is better to say so than to pretend. There is no live examiner, so nobody steers the conversation toward your weak spots, interrupts with a follow-up you did not expect, or asks you to expand exactly when you hoped to stop. The listening voices are computer generated, consistent and clear, while real tests use varied human accents and telephone-quality audio. Most importantly, the speaking parts are rated by you, not by a trained assessor: your result is a structured self-estimate, which is why this page never calls it a level.

Used honestly, the mock still does the two things that matter before a real assessment: it rehearses the endurance of speaking aviation English continuously for half an hour, and it forces a skill-by-skill look at where you actually stand, with a study plan pointing at the trainer modules that move your weakest skill. Take it once cold to find your baseline, train the weak areas, then repeat it before you book the real assessment with your authority's approved testing body.

Verified against the following sources (last checked 10 July 2026). If a claim here ever disagrees with the current official text, the official text wins:

• EASA Easy Access Rules for Aircrew (Regulation (EU) No 1178/2011): FCL.055 Language proficiency and its AMC
• Regulation (EU) No 1178/2011 on EUR-Lex (with links to the consolidated text)
• ICAO Doc 9835: Manual on the Implementation of ICAO Language Proficiency Requirements
• UK CAA: English language proficiency testing and flight crew licensing