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100+ Free NCAA Aeronautical Station Operator Practice Questions

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2026 Statistics

Key Facts: NCAA Aeronautical Station Operator Exam

50

Exam Questions

NCAA Licensing Division

90 mins

Time Limit

NCAA Examination Standard

75%

Passing Score

Nig. CARs Part 2

₦50,000

Exam & Licence Fee

NCAA Schedule of Fees

2 Years

Licence Validity

Nig. CARs Part 2

100

Practice Questions

OpenExamPrep Question Bank

Pass the 90-minute, 50-question NCAA Aeronautical Station Operator exam with a 75% score. Topics include Nig. CARs Part 2, ICAO Annex 10 Volume II telecommunication procedures, RTF callsigns, readbacks, 6-tier message priority, MAYDAY/PAN PAN protocols, 121.5 MHz emergency frequency handling, VHF/HF equipment, and station logbook rules.

Sample NCAA Aeronautical Station Operator Practice Questions

Try these sample questions to test your NCAA Aeronautical Station Operator exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Under Nig. CARs Part 2, what is the minimum age requirement for an applicant to be issued an NCAA Aeronautical Station Operator Licence?
A.16 years
B.18 years
C.21 years
D.25 years
Explanation: According to Nigeria Civil Aviation Regulations (Nig. CARs) Part 2 (Personnel Licensing), an applicant for an Aeronautical Station Operator Licence must be at least 18 years of age.
2What is the standard validity period of an NCAA Aeronautical Station Operator Licence under Nig. CARs Part 2?
A.12 months (1 year)
B.24 months (2 years)
C.36 months (3 years)
D.60 months (5 years)
Explanation: Under Nig. CARs Part 2, an Aeronautical Station Operator Licence issued by the NCAA is valid for a period of 24 months (2 years) from the date of issue or renewal.
3Which statutory authority in Nigeria is responsible for issuing aeronautical telecommunications licences and enforcing civil aviation communication regulations?
A.Nigerian Communications Commission (NCC)
B.Nigeria Civil Aviation Authority (NCAA)
C.Nigerian Airspace Management Agency (NAMA)
D.Federal Airports Authority of Nigeria (FAAN)
Explanation: The Nigeria Civil Aviation Authority (NCAA) is the autonomous regulatory body responsible for safety oversight, personnel licensing, and enforcement of civil aviation regulations in Nigeria.
4What medical fitness requirement must an applicant satisfy to hold a valid NCAA Aeronautical Station Operator Licence?
A.Class 1 Medical Certificate
B.Valid Medical Assessment / Class 3 Medical as prescribed by NCAA
C.No medical examination is required
D.Class 2 Medical with instrument rating
Explanation: Applicants for an ASO licence must hold a valid medical assessment (typically Class 3 or as specified under Nig. CARs Part 2) issued by an NCAA-authorized aviation medical examiner.
5Who is authorized under Nig. CARs to inspect aeronautical radio ground station equipment, logbooks, and operator licences at any reasonable time?
A.NCAA Aviation Safety Inspectors
B.Local police officers
C.Airport airline station managers
D.Nigerian Customs Service officials
Explanation: NCAA Aviation Safety Inspectors (Safety / Telecommunications Inspectors) possess statutory powers under the Civil Aviation Act and Nig. CARs to inspect aeronautical stations, logs, equipment, and licences.
6Which set of information MUST be recorded in an aeronautical ground station communication logbook for every air-ground radio transmission?
A.Time (UTC), callsign of aircraft, frequency used, summary of message/clearance, and operator sign-off
B.Aircraft fuel remaining, passenger count, ticket numbers, and pilot licence number
C.Operator personal address, aircraft color, ambient weather temperature, and landing fees paid
D.Only the aircraft callsign and the date of flight
Explanation: Nig. CARs and ICAO Annex 10 require station logbooks to document UTC time, aircraft callsign, operating frequency, message summary or text, and the signature/identity of the duty operator.
7Unless otherwise specified by the NCAA, what is the minimum required retention period for routine aeronautical ground station written logbooks?
A.7 days
B.30 days
C.6 months
D.5 years
Explanation: Standard regulatory provisions under Nig. CARs and ICAO Annex 10 mandate that routine written radio communication logbooks be retained for at least 30 days.
8Under Nig. CARs, what is the primary objective of duty time limitations and rest requirements for aeronautical station operators?
A.To reduce overtime pay expenses for air navigation service providers
B.To prevent fatigue and maintain high operational alertness during shift operations
C.To ensure equal distribution of weekend shifts among all licensed staff
D.To comply with international trade union wage standards
Explanation: Duty time limitations are human factors safety regulations designed to mitigate fatigue, ensuring operators maintain high vigilance when handling critical air-ground radio traffic.
9What immediate action must an Aeronautical Station Operator take upon detecting unauthorized or illegal radio transmissions interfering with an active aviation frequency?
A.Log the details (time, frequency, nature of transmission), attempt to identify source, notify ATS supervisor, and file an NCAA incident report
B.Engage in an argument over the radio with the unauthorized user to demand they clear the channel
C.Immediately shut down the station transmitter and leave the console unattended
D.Ignore the interference as long as aircraft signals can still be faintly heard
Explanation: Harmful interference must be logged immediately with exact parameters, reported to the station supervisor and NCAA enforcement division for direction finding and regulatory investigation.
10To renew an NCAA Aeronautical Station Operator Licence that has been expired for less than 6 months, what must the applicant demonstrate to the NCAA?
A.Completion of a full 2-year ab-initio training course
B.Proof of valid medical fitness, recent station operational experience or competency check, and payment of renewal fees
C.Re-passing of all general primary school certificates
D.Submission of a written recommendation from the Ministry of Transportation
Explanation: Licence renewal requires fulfilling recency requirements (operational hours within the preceding period), passing a medical assessment, undergoing a competency evaluation if required, and paying standard NCAA fees.

About the NCAA Aeronautical Station Operator Exam

The NCAA Aeronautical Station Operator / Telecommunications Licence Exam is the official qualification required by the Nigeria Civil Aviation Authority under Nig. CARs Part 2 for personnel who operate ground-to-air aeronautical radio stations, flight service stations, and telecommunications units across Nigerian airfields and control centers. The exam evaluates knowledge of ICAO Annex 10 (Aeronautical Telecommunications), ITU Radio Regulations, standard RTF phraseology, emergency communications (MAYDAY/PAN PAN), VHF/HF radio propagation and equipment operation, frequency spectrum management, and Nigerian civil aviation telecommunications rules.

Assessment

50 multiple-choice questions testing aeronautical telecommunication regulations, RTF phraseology, radio equipment, frequency management, distress/urgency procedures, and Nig. CARs Part 2 rules.

Time Limit

90 minutes

Passing Score

75%

Exam Fee

₦20,000 (Nigeria Civil Aviation Authority (NCAA))

NCAA Aeronautical Station Operator Exam Content Outline

20%

Nig. CARs & Communication Regulations

Nig. CARs Part 2 personnel licensing requirements, station logbook retention, operator medical fitness, station authorization, regulatory compliance, and NCAA enforcement.

20%

Radio Communication Procedures & Call Signs

Establishing air-ground communications, call sign structures, abbreviated call signs, mandatory readback items, hearback correction, and message priority ranking.

15%

VHF & HF Phraseology

ICAO standard radiotelephony words (ROGER, WILCO, SAY AGAIN, READ BACK, ACKNOWLEDGE), standard phonetic alphabet, numeric pronunciation, and readability scale 1-5.

15%

Distress, Urgency & Safety Communications

MAYDAY and PAN PAN signal definitions, distress traffic imposition and control (MAYDAY SILENCE), frequency clearance, 121.5/243/406 MHz ELT procedures, and distress cancellation.

10%

ICAO Annex 10 & ITU Regulations

ICAO Annex 10 Volume II operational procedures, ITU Aeronautical Mobile Service regulations, SELCAL signaling, AFTN/AMHS message formats, and broadcast services (ATIS/VOLMET).

10%

Aeronautical Telecommunication Equipment

VHF and HF transceivers, AM (A3E) vs SSB (J3E) modulation, antenna types, directional finders (VDF), voice recording systems, and uninterruptible power supply (UPS) backups.

10%

Frequency Allocation & Band Spectrum

Aeronautical VHF band (118.000–136.975 MHz), 25 kHz and 8.33 kHz channel spacing, HF aeronautical bands, and dedicated emergency/SAR channel allocations.

How to Pass the NCAA Aeronautical Station Operator Exam

What You Need to Know

  • Passing score: 75%
  • Assessment: 50 multiple-choice questions testing aeronautical telecommunication regulations, RTF phraseology, radio equipment, frequency management, distress/urgency procedures, and Nig. CARs Part 2 rules.
  • Time limit: 90 minutes
  • Exam fee: ₦20,000

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

NCAA Aeronautical Station Operator Study Tips from Top Performers

1Master the 6 levels of radiotelephony message priority: 1. Distress (MAYDAY), 2. Urgency (PAN PAN), 3. Direction Finding, 4. Flight Safety, 5. Meteorological, 6. Flight Regularity.
2Memorize ICAO standard phraseology terms cold: ROGER, WILCO, SAY AGAIN, READ BACK, ACKNOWLEDGE, STANDBY, RECLEARED, APPROVED, CANCEL.
3Learn the signal readability 1-5 scale: 1 = Unreadable, 2 = Readable now and then, 3 = Readable with difficulty, 4 = Readable, 5 = Perfectly readable.
4Understand distress/urgency frequency rules: 121.5 MHz is the main VHF international distress frequency, paired with 243.0 MHz (UHF military/SAR) and 406.0 MHz (satellite ELTs).
5Study Nig. CARs Part 2 provisions regarding aeronautical station operator duties, station logbook retention (must be retained for minimum periods as specified by NCAA), and mandatory readback of clearances (runway in use, altimeter settings, QNH/QFE, heading, speed, altitude).

Frequently Asked Questions

What is the NCAA Aeronautical Station Operator Licence?

It is an official aviation telecommunications licence issued by the Nigeria Civil Aviation Authority (NCAA) under Nig. CARs Part 2 authorizing the holder to operate aeronautical ground radio stations, communicate with aircraft, and handle aeronautical fixed and mobile services.

What is the passing score for the NCAA Aeronautical Station Operator exam?

Candidates must achieve a minimum score of 75% on the 50-question computer-based or paper exam administered by the NCAA.

How much does the NCAA Aeronautical Station Operator exam cost?

The exam and application fee is approximately ₦50,000 payable to the Nigeria Civil Aviation Authority (NCAA) via the TSA/Remita platform.

How long is the exam and how many questions are included?

The official exam consists of 50 multiple-choice questions with a total time limit of 90 minutes (1.5 hours).

What main topics are covered in the NCAA Aeronautical Station Operator exam?

The exam tests Nig. CARs Part 2 regulations, ICAO Annex 10 telecommunication rules, radiotelephony (RTF) procedures and phraseology, distress/urgency signals (MAYDAY/PAN PAN), aeronautical radio equipment, HF/VHF frequency allocations, and station logbook maintenance.

What is the validity period of the NCAA Aeronautical Station Operator Licence?

The licence is valid for 24 months (2 years) from the date of issue/renewal, subject to meeting recency and medical fitness requirements prescribed under Nig. CARs Part 2.