Licensing, Radio Apparatus & Minimum EquipmentRadio Telephony — DGCA CPL practice questions
Question 1 of 18
To legally operate an aircraft radio you require:
All 18 questions — Licensing, Radio Apparatus & Minimum Equipment
Radio Telephony · DGCA CPL. The correct option is marked on each.
Q1. To legally operate an aircraft radio you require:
- A.Only the RTR(A)
- B.Only the aircraft radio station licence
- C.Both the RTR(A) and the aircraft radio station licence✓
- D.Neither, below 5,700 kg
Why: oth the RTR(A) and the aircraft radio station licence. Both — the operator (RTR) and the installed apparatus (station licence) must be licensed.
Q2. The minimum radio equipment to be carried on an aircraft is prescribed in:
- A.ICAO Annex 10
- B.ICAO Annex 6✓
- C.ICAO Annex 2
- D.ICAO Annex 11
Why: Annex 6 — Operation of Aircraft. Annex 10 is the telecom standards themselves.
Q3. In India, radio spectrum and apparatus are licensed by:
- A.DGCA
- B.AAI
- C.WPC (Ministry of Communications)✓
- D.ICAO
Why: The WPC Wing; DGCA handles airworthiness/operational fitment.
Q4. India's table of which services may use which bands is the:
- A.MEL
- B.NFAP (National Frequency Allocation Plan)✓
- C.CAR Section 7
- D.AIP
Why: The NFAP, derived from the ITU Radio Regulations, allocates Indian spectrum.
Q5. SACFA is concerned primarily with:
- A.Pilot licensing
- B.Clearing the siting of transmitters/masts✓
- C.Weather forecasting
- D.Accident investigation
Why: learing the siting of transmitters/masts. The Standing Advisory Committee on Frequency Allocation clears transmitter siting.
Q6. Annex 6 Part I applies to:
- A.Helicopters
- B.International general aviation aeroplanes
- C.International commercial air transport (aeroplanes)✓
- D.Gliders only
Why: Part I = commercial air transport aeroplanes; Part II = international GA; Part III = helicopters.
Q7. The core Annex 6 radio capability includes the ability to:
- A.Transmit only
- B.Conduct two-way communication and receive meteorological information at any time✓
- C.Receive broadcast entertainment
- D.Operate without an assigned frequency
Why: onduct two-way communication and receive meteorological information at any time. Two-way comms on required frequencies plus the ability to receive met information at any time.
Q8. The "independence" requirement means:
- A.Each radio must be a different brand
- B.A single failure must not disable both communication and navigation✓
- C.The pilot must operate independently of ATC
- D.All equipment must be battery-powered
Why: single failure must not disable both communication and navigation. Installation must ensure one unit's failure won't take out another required for the other function.
Q9. Two COM and two NAV sets sharing a single power bus:
- A.Always meet the independence rule
- B.May fail the independence rule because the shared bus is a single point of failure✓
- C.Need no antenna
- D.Are exempt from Annex 6
Why: A shared bus whose failure kills both comms and nav violates the no-single-point-of-failure principle.
Q10. Navigation equipment under Annex 6 must be sufficient to:
- A.Reach any airport in the world
- B.Proceed in accordance with the flight plan and ATS requirements✓
- C.Replace the transponder
- D.Operate without approval
Why: It must let the aircraft fly its filed plan and meet ATS requirements (e.g. PBN where required).
Q11. An ELT transmits on:
- A.118.0 MHz only
- B.406 MHz (satellite) and 121.5 MHz (homing)✓
- C.1030 MHz
- D.75 MHz
Why: 406 MHz for satellite detection with coded ID, plus 121.5 MHz for homing.
Q12. If a required item is unserviceable before departure, the document that governs whether the flight may proceed is the:
- A.AIP
- B.NOTAM
- C.Minimum Equipment List (MEL)✓
- D.NFAP
Why: The MEL (from the MMEL) states whether and how the aircraft may dispatch with the item inoperative.
Q13. The MMEL is produced by:
- A.The operator
- B.The manufacturer / State of design✓
- C.The crew
- D.The ITU
Why: The Master MEL comes from the manufacturer/State of design; the operator's MEL is at least as restrictive.
Q14. Type approval of a radio mainly ensures it:
- A.Is the cheapest available
- B.Transmits within its assigned channel with low spurious emissions✓
- C.Needs no licence
- D.Works only on HF
Why: Type approval confirms controlled frequency/power and acceptably low spurious emissions to avoid interference.
Q15. Which body regulates the airworthiness and fitment of the radio in the aircraft?
- A.WPC
- B.DGCA✓
- C.ITU
- D.IATA
Why: DGCA regulates airworthiness and fitment of the radio in the aircraft; the WPC licenses the spectrum and the apparatus itself.
Q16. Compared with day-VFR, IFR/night operations under Annex 6 generally require:
- A.Less equipment
- B.More — including redundant comms/nav appropriate to the route✓
- C.No transponder
- D.No navigation equipment
Why: The minimum scales up with the operation; IFR/night needs redundancy.
Q17. The requirement to "receive meteorological information at any time" means a receive-only set that cannot reach a met broadcast en route:
- A.Is sufficient
- B.Does not satisfy Annex 6✓
- C.Is required by Annex 10
- D.Is exempt for IFR
Why: oes not satisfy Annex 6. The standard is about capability/availability — it must be able to obtain weather throughout the flight.
Q18. The complete answer to "what is needed to make a legal aircraft radio transmission" is:
- A.A serviceable radio
- B.A licensed operator
- C.A licensed operator (RTR) AND a licensed/approved aircraft radio station✓
- D.ATC permission only
Why: licensed operator (RTR) AND a licensed/approved aircraft radio station. Both the person and the apparatus must be licensed simultaneously.