Aviation English Test Practice (ICAO)
Tests aviation English for pilots and air traffic controllers — standard ICAO radiotelephony phraseology, plain English in non-routine situations, and the ICAO language proficiency criteria behind the Level 4 operational standard. Pass to earn Aviation English (ICAO) Readiness SOA-AVEN.
- Intermediate difficulty.Assumes hands-on experience in the role.
- 15 scenario questions
- 15 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Aviation English Test Practice (ICAO)?
The Aviation English Test Practice (ICAO) is a free 15-minute skill test from Science of Apps. It tests aviation English for pilots and air traffic controllers — standard ICAO radiotelephony phraseology, plain English in non-routine situations, and the ICAO language proficiency criteria behind the Level 4 operational standard. Score 70% or more on its 15 questions to earn a verifiable Aviation English (ICAO) Readiness certificate (SOA-AVEN). Every question is based on published standards and research — including Phraseology (SKYBRARY), Language proficiency requirements (ICAO) — and each answer is explained with its source.
Built for your job title
Student pilot, Commercial pilot, Air traffic controller, Cabin crew member and Aviation English instructor — and anyone who wants quick, verifiable proof of Aviation English skills for a CV or LinkedIn.
- Student pilot
- Commercial pilot
- Air traffic controller
- Cabin crew member
- Aviation English instructor
What the test covers
Three skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Standard Phraseology
33%- Readbacks and acknowledgements
- Numbers and the phonetic alphabet
- Standard words and phrases
- 02
Non-routine Communication
33%- Emergencies and urgency
- Plain English for unexpected situations
- Clarifying and confirming
- 03
ICAO Language Proficiency
33%- The ICAO rating scale
- The six criteria
- Level 4 operational standard
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- PhraseologySKYBRARY15 questions
- Language proficiency requirementsICAO15 questions
Try a sample question
In ICAO phraseology, what does "WILCO" mean?
- I understand your message and will comply
- Say again your last transmission
- Wait and I will call you back
- I am cancelling my previous message
Show the answer
A. I understand your message and will comply — WILCO = "will comply". The real test has 15 questions like this.
How the test works
15 minutes, 15 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 15-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

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Frequently asked questions
What is the Aviation English Test Practice (ICAO)?
The Aviation English Test Practice (ICAO) is a free 15-minute skill test from Science of Apps. It tests aviation English for pilots and air traffic controllers — standard ICAO radiotelephony phraseology, plain English in non-routine situations, and the ICAO language proficiency criteria behind the Level 4 operational standard. Score 70% or more on its 15 questions to earn a verifiable Aviation English (ICAO) Readiness certificate (SOA-AVEN). Every question is based on published standards and research — including Phraseology (SKYBRARY), Language proficiency requirements (ICAO) — and each answer is explained with its source.
How do I take the Aviation English Test Practice (ICAO) for free?
Read the three skill areas on this page, then take the 15-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Aviation English (ICAO) Readiness certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Aviation English Test Practice (ICAO) questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: Phraseology (SKYBRARY); Language proficiency requirements (ICAO). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Aviation English Test Practice (ICAO) cover?
Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Standard Phraseology (Readbacks and acknowledgements, Numbers and the phonetic alphabet and Standard words and phrases); Non-routine Communication (Emergencies and urgency, Plain English for unexpected situations and Clarifying and confirming); ICAO Language Proficiency (The ICAO rating scale, The six criteria and Level 4 operational standard). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Aviation English Test Practice (ICAO)?
Student pilot, Commercial pilot, Air traffic controller, Cabin crew member and Aviation English instructor. It suits anyone who wants a quick, verifiable way to show Aviation English skills, from students and career switchers to experienced professionals.
What is ICAO Level 4?
ICAO requires pilots and air traffic controllers on international routes to show at least Operational Level 4 on its six-level rating scale, assessed across pronunciation, structure, vocabulary, fluency, comprehension and interactions. This practice test covers phraseology and plain-language skills; the official assessment is a speaking and listening test by an approved provider.
Can I take the Aviation English Test Practice (ICAO) from any country?
Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.
How long is the Aviation English Test Practice (ICAO)?
15 questions — 5 from each of 3 skill areas — with a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How hard is the Aviation English Test Practice (ICAO)?
We rate it Intermediate: assumes hands-on experience in the role. It has 15 scenario questions — 5 from each of 3 skill areas — and a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.
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