Radio Telephony Ground Training

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Radio Telephony Ground Training

Radio Telephony Restricted (Aeronautical) licence examination is conducted by the Wireless Planning and Coordination (WPC) Wing of Department of Communications (DOT), Ministry of Communications and Information Technology, Government of India.

It is a Certificate of Proficiency (COP) examination and upon successfully passing the examination, a COP and Licence will be issued by the WPC which confers the privilege of operating the radio navigation equipment installed on an aircraft (aero mobile station).

Eligibility for admission to the examination is matriculation and while applying for the examination, the candidate must be minimum eighteen years of age.

The examination will consist of the following two parts:

Part I - Practical test in Regulations and Procedure .

A practical test will be conducted over a synthetic R/T circuit. Candidates will be required to use phonetic alphabets and general procedure for radio telephone working. Candidates will be required to carry out communications associated with mobile and/or base stations. Typical examples of what the candidates are expected to carry out are: preparation of messages for transmission, exchange of traffic, use of priorities requesting D/F assistance, obtaining meteorological information, position reports, distress, urgency, safety and D/F procedure.

Part II - Oral examination

Regulations and Procedure

International Telecommunication Convention & Radio Regulations
General and Aeronautical ‘Q’ Code Signals and other abbreviations as contained in Annexure 10 ( Vol. I & II) of International Civil Aviation Organisation.
General Radio telephone Communication procedures and radio telephone communication procedure for distress urgency and direction finding.
Procedures for distress communication in Maritime Mobile Service.
Words and figures spelling used in radio telephone.
Licensing requirements of installation and operation of radio apparatus used in aircraft.
Minimum requirement of radio equipment to be carried on aircraft as prescribed in Annexure 6 of the International Civil Aviation Organisation and Civil Aviation Authority in India.
Flight Information Regions in India and main Radio Communication and Navigation facilities available together with principal frequencies to be used for communication and navigation within India.
Meteorological codes, pre-flight briefing services and their usages.
Knowledge of notices to airmen issued by the Civil Aviation Authorities in India as applicable to the Aeronautical mobile and Air traffic Control Services.

Radio Principles & Practice

1. Konowledge of Electrical Units such as volt, ampere, ohm and watt; wavelength, frequency and their relationship; Elementary knowledge of radio frequency propagation, and night frequencies, skip distances, fading, ground shadow and its effect on communiction, choice of frequencies to attain maximum efficiency in handling air ground HF Communications.
2. General knowledge of system employed for air-ground communications including SELCAL operation, inter-communication and announcing systems of aircraft; elementary knowledge of Radio-navigation Aids, operation of microphones and headphones, Squelch, AVC, Volume control, turning of the transmitter, simplex and duplex operation; advantages and disadvantages of Radiotelephone communication; limitations of range due to frequency interference etc.

Note :-

The maximum marks in each Part I and II is 100 and minimum pass is 50 in individual parts. Candidates who do not qualify in Part I will be considered failed in the R/T examination.