Ready Aviator Question Bank

Radio Telephony (R/T) · Ready Aviator Question Bank · Regulations and Procedure

Radio rules, services and licensing: DGCA Radio Telephony (R/T) questions

27 questions in this chapter of Ready Aviator Question Bank. 5 are on this page with the correct answer shown.

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Five questions from the chapter

Question 1 of 5

Four letters of the alphabet can never begin an ICAO location indicator. Which four are they?

  • aI, O, Q and Z
  • Correct answer, b: I, J, Q and X
  • cJ, O, U and X

Question 2 of 5

A flight plan filed at Kolkata has to reach every ATS unit on the route, and NOTAMs and METARs travel between stations the same way. Over which ground network has this traditionally gone?

  • aHFDL (High Frequency Data Link)
  • Correct answer, b: AFTN (Aeronautical Fixed Telecommunication Network)
  • cVDL (VHF Digital Link)

Question 3 of 5

Who assigns the individual call sign to an aircraft radio station?

  • Correct answer, a: The State's own administration, from the series the ITU gave that State
  • bICAO, from a single worldwide register it keeps for every aircraft
  • cThe aircraft operator, choosing any unused letters it prefers

Question 4 of 5

AeroMACS provides high capacity wireless links on the aerodrome surface. In which band has the ITU allocated spectrum to the aeronautical mobile (route) service for this use?

  • aThe 2.4 GHz band (2400 to 2483.5 MHz)
  • bThe 4.3 GHz band (4200 to 4400 MHz)
  • Correct answer, c: The 5 GHz band (5091 to 5150 MHz)

Question 5 of 5

The ground-to-ground messaging service of the Aeronautical Telecommunication Network, based on the X.400 standards and replacing the teletype AFTN, is known as

  • aAIS (Aeronautical Information Service)
  • Correct answer, b: AMHS (ATS Message Handling System)
  • cADS-C (Automatic Dependent Surveillance Contract)

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