Restricted Operator Certificate -
Aeronautical (ROC-A) UPDATED Exam
Questions and CORRECT Answers
The order of priority for transmission of messages in the aeronautical service is: - Correct
Answer- 1. Distress communications.
2. Urgency communications.
3. Communications relating to radio d...
The order of priority for transmission of messages in the aeronautical service is: - Correct
Answer- 1. Distress communications.
2. Urgency communications.
3. Communications relating to radio direction-finding.
4. Flight safety messages.
5. Meteorological messages.
6. Flight regularity messages.
7. Messages relating to the application of the United Nations Charter.
8. Government messages for which priority has been expressly requested.
9. Service communications relating to the workings of the telecommunication service or to
communications previously exchanged.
10. All other aeronautical communications.
Aerodrome - Correct Answer- Any area of land, water (including frozen surface) or any other
supporting structure used, designed, prepared, equipped or set apart for use, either whole or in
part, for the arrival, departure, movement or servicing of aircraft. This includes any buildings,
installations and equipment situated thereon or associated therewith.
Aeronautical Service - Correct Answer- A radiocommunication service that provides for the
safety and navigation and other operations of aircraft, and that may also include the exchange
of air-to-ground messages on behalf of the public.
Aircraft Station - Correct Answer- A mobile station in the aeronautical service, other than a
survival craft, located on board an aircraft.
Aeronautical Operational Control Communications (AOCC) - Correct Answer-
Communications related to the regularity of flight.
, Aeronautical Station - Correct Answer- A land station in the aeronautical mobile service. In
certain instances, an aeronautical station may be located, for example, on board a ship or on a
platform at sea.
Air Traffic Control Service (ATC Service) - Correct Answer- A service provided for the
purpose of:
a. preventing collisions between:
• aircraft;
• aircraft and obstacles; and
• aircraft and vehicles on the manoeuvring area; and
b. expediting and maintaining an orderly flow of air traffic.
Controlled Aerodrome - Correct Answer- An aerodrome at which an air traffic control unit is
in operation.
Flight Service Station - Correct Answer- An Air Traffic Service (ATS) unit established to
provide selected flight services.
General Aviation Communications (GAC) - Correct Answer- Communications relating to all
civil aviation operations other than for scheduled air service and nonscheduled air transport
operations for remuneration or hire.
Ground Control Communications - Correct Answer- ATC Service communications provided
for the purposes of:
a. preventing collisions on the manoeuvring area between aircraft, and between aircraft and
obstacles or vehicles; and
b. expediting and maintaining the orderly flow of aircraft operating on the manoeuvring area.
Private Advisory Service - Correct Answer- A communication service offered at controlled
aerodromes for use in connection with company business such as the servicing of aircraft,
availability of fuel, lodging, etc. Such services shall not include information relating to ATC
Service, weather reports, the condition of landing strips, or any other communication
normally provided by ATC Service units.
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