NCAA Air Traffic Controller Licence
NCAA Air Traffic Controller Licence Knowledge Test
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ExploreAbout this exam
The NCAA Air Traffic Controller Licence Knowledge Test is a multiple-choice examination administered by the Nigeria Civil Aviation Authority (NCAA) for candidates seeking an air traffic controller licence or rating. It assesses the knowledge required for safe and efficient air traffic control, as defined in the syllabus published in Advisory Circular NCAA-AC-PEL 018, available under Personnel Licensing Advisory Circulars on the NCAA website. The test is offered at the NCAA Headquarters in Abuja and at the Regional Offices in Lagos, Kaduna and Enugu. A passing grade of 75% is required. Test results remain valid for 24 calendar months from the date of issuance. Candidates who fail may apply to retake the test after presenting evidence of additional instruction from an Authorised Instructor in the areas of deficiencies. Preparation should focus on the current NCAA-AC-PEL 018 syllabus, covering air traffic control principles, procedures, and related regulatory material. This page provides an introduction and answers to common candidate questions; it is not affiliated with or endorsed by the NCAA.
What you'll study
About NCAA Air Traffic Controller Licence preparation
What is the format of the NCAA Air Traffic Controller Licence Knowledge Test?
The test is multiple choice. The number of questions and the duration are not specified in the NCAA source; check the current Advisory Circular NCAA-AC-PEL 018 and your test appointment letter for details. The passing grade is 75%.
Where can I take the test?
Applications to take NCAA knowledge tests can be submitted at the Authority’s Headquarters in Abuja and the Regional Offices located in Lagos, Kaduna and Enugu. Contact the office nearest you to schedule.
How long is my test result valid?
Knowledge Test results are valid for 24 calendar months from the date of issuance of the result. Plan your licence or rating application within that window.
What happens if I fail?
Applicants who fail a knowledge test can apply to retake it after presenting evidence of having received additional instructions from an Authorised Instructor in the areas of deficiencies. Address weak areas before reapplying.
What is the passing score?
The passing grade for the NCAA knowledge Test is 75%. Aim well above this threshold to account for the difficulty of the questions.
Where can I find the syllabus and requirements?
The syllabi and requirements for all knowledge tests are in Advisory Circular NCAA-AC-PEL 018, located under Personnel Licensing Advisory Circulars on the Authority website at www.ncaa.gov.ng/documents. Use the current version.
How difficult is the test?
The NCAA does not publish a difficulty rating. The 75% pass mark and the breadth of the ATC syllabus mean you should study all domains thoroughly. Many candidates find procedural and regulatory topics most challenging.
How should I prepare?
Start with the NCAA-AC-PEL 018 syllabus, then study each topic systematically. Use current Nigerian regulations and ATC procedures. Practice with scenario-based questions and review weak areas before booking.
What are common failure modes?
Candidates often lose marks on separation standards, phraseology, and emergency procedures. Misreading questions and relying on outdated material are also common. Always verify facts against the current syllabus and regulations.
Is this page affiliated with the NCAA?
No. This is an independent study resource. It is not affiliated with, endorsed by, or connected to the Nigeria Civil Aviation Authority. Always confirm official requirements with the NCAA.