DGCA Air Regulations: Nationality & Registration Marks Questions
15 exam-style Nationality & Registration Marks questions for the DGCA Air Regulationspaper (CPL & ATPL). The first 12 are free below with answers and explanations — sign up free to practise all of them with progress tracking.
- Q1
Annexure for Registration Marking in ICAO:
- A14
- B7
- C21
- DN/A
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Correct answer: B. 7
The correct answer is B, which refers to Annex 7 of the ICAO documents. This annex specifically deals with the registration and marking of aircraft. It outlines how each aircraft must display its registration mark clearly, similar to how cars have license plates. A common mistake is to confuse this with Annex 14, which focuses on aerodromes and their design standards. Understanding these distinctions helps ensure compliance with international aviation regulations.
- Q2
A common mark used in lieu of nationality mark) is assigned by:
- AState of Registry through ICAO
- BICAO through the International Telecommunication Union ITU)
- CState of Registry through ITU
- DICAO Council directly
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Correct answer: B. ICAO through the International Telecommunication Union ITU)
Per ICAO Annex 7 Aircraft Nationality and Registration Marks), a common mark is assigned by ICAO. ICAO obtains the mark from the International Telecommunication Union ITU) radio call sign allocation. The common mark is then used by international operating agencies like IATA pools) in lieu of a nationality mark. The flow is: ITU assigns → ICAO allocates → used as common mark.
- Q3
The Registration mark must consist of letters, numbers, or a combination of both, and will be assigned by:
- AThe International Telecommunication Union
- BThe state of registry or common mark registering authority
- CThe state of registry only
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Correct answer: B. The state of registry or common mark registering authority
- Q4
The common mark must be chosen from the symbols found in the allocated radio call signs.
- ATo state of the operator
- BTo the International Civil Aviation Organisation by the International Telecommunication Union
- CTo the state of registry by the International Civil Aviation Organisation
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Correct answer: B. To the International Civil Aviation Organisation by the International Telecommunication Union
- Q5
Who will assign the common mark to a common mark registration authority?
- AThe International Civil Aviation Organisation
- BThe state of registry
- CThe International Telecommunication Union
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Correct answer: A. The International Civil Aviation Organisation
- Q6
When using letters for registration marks, which combinations should be avoided to prevent confusion with urgent or distress signals?
- AXXX
- BRCC
- CDDD
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Correct answer: A. XXX
- Q7
When using letters for registration marks, which combinations should be avoided to prevent confusion?
- AThree letters combinations used in the international code of signals
- BFour letter combinations beginning with Q
- CFive letter combinations used in the international code of signals
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Correct answer: C. Five letter combinations used in the international code of signals
- Q8
What is the minimum height for the marks on the fuselage and vertical tail surfaces of heavier-than-air aircraft?
- AAt least 20 centimetres
- BAt least 40 centimetres
- CAt least 30 centimetres
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Correct answer: C. At least 30 centimetres
- Q9
What is the minimum height for the marks on lighter-than-air aircraft, excluding unmanned free balloons?
- A60 centimetres
- B50 centimetres
- C1 meter
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Correct answer: B. 50 centimetres
- Q10
When using letters for registration marks, which combinations should be avoided to prevent confusion with urgent signals?
- ALLL
- BPAN
- CRCC
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Correct answer: B. PAN
- Q11
When using letters for registration marks, which combinations should be avoided to prevent confusion with urgent signals?
- ALLL
- BTTT
- CRCC
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Correct answer: B. TTT
- Q12
What is the minimum height of the marks under the wings of heavier-than-air aircraft?
- A50 centimetres
- BBetween 40 and 50 centimetres
- C60 centimetres
Show answer
Correct answer: A. 50 centimetres
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