Free Airline Transport Pilot License (ATPL) Theory Exam Questions and Answers
Airline Transport Pilot License (ATPL) Theory Exam is an Aviation certification exam. This page has free practice questions for it with answers and explanations, set out the way the real exam asks them, plus a timed practice test that scores you against the pass mark.
Candidates comparing Airline Transport Pilot License (ATPL) Theory Exam exam dumps, ExamTopics and other practice tests use this page for the answers and explanations behind each question. Download the free PDF, then sit the timed exam simulation before booking with Aviation.
Last updated: October 1, 2026
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Question #1
Two aircraft are approaching head-on at the same level. According to ICAO Annex 2, what must each do?
Correct answer: C
Explanation
Annex 2: when approaching head-on or nearly so, each aircraft alters heading to the right.
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Question #2
Which ICAO Annex contains the Rules of the Air?
Correct answer: A
Explanation
Annex 2 is Rules of the Air; Annex 1 is personnel licensing, 6 operation of aircraft, 11 air traffic services.
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Question #3
What is the load factor in a steady level coordinated turn at 60 degrees of bank?
Correct answer: D
Explanation
Load factor = 1/cos(bank) = 1/cos60 = 2.0. The stall speed rises by the square root of that, about 1.41.
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Question #4
Winglets reduce which type of drag?
Correct answer: C
Explanation
Winglets weaken wingtip vortices, reducing induced drag.
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Question #5
What is the critical Mach number?
Correct answer: B
Explanation
Mcrit is the lowest free-stream Mach at which sonic flow first appears locally.
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Question #6
An aircraft weighs 1,000 kg with its CG 2.0 m aft of the datum. A 100 kg load is added 5.0 m aft of the datum. What is the new CG?
Correct answer: C
Explanation
Total moment = 1,000x2.0 + 100x5.0 = 2,500 kg.m; 2,500 / 1,100 = 2.27 m.
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Question #7
Which TWO factors increase the take-off distance required? Choose two.
Select 2 answers.
Correct answer: C, D
Explanation
Lower air density (high altitude or temperature) reduces thrust and increases speed needed. Headwind and downslope shorten the run.
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Question #8
The OAT at FL100 is -15 C. Standard ISA at FL100 is about -5 C. What is the ISA deviation?
Correct answer: D
Explanation
-15 C is 10 degrees colder than the ISA value of about -5 C, so ISA-10.
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Question #9
Which fog type forms over land on a clear, calm night through surface cooling?
Correct answer: A
Explanation
Radiation fog forms when the ground cools by radiation and chills the air above to its dew point.
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Question #10
Which TWO are necessary for thunderstorm development? Choose two.
Select 2 answers.
Correct answer: A, B
Explanation
Thunderstorms need moisture, instability and a trigger to start convection. Inversions and stable air suppress it.
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FAQ
- Q1: What is the Airline Transport Pilot License (ATPL) Theory Exam exam?
- A: Airline Transport Pilot License (ATPL) Theory Exam is a professional examination offered by Aviation.
- Q2: Are there practice questions for Airline Transport Pilot License (ATPL) Theory Exam?
- A: The Airline Transport Pilot License (ATPL) Theory Exam question bank is still being written. The rest of the catalogue is free to read while you wait — the first ten questions of every exam, answers included, with no account needed.
- Q3: How should I prepare for Airline Transport Pilot License (ATPL) Theory Exam?
- A: Start from the official Aviation exam objectives, which define what is actually tested, and practise against questions written to them rather than to a syllabus someone has guessed at.