Aeronautical (ROC-A) ACTUAL
UPDATED QUESTIONS AND CORRECT
ANSWERS
The order of priority for transmission of messages in the aeronautical service is: - CORRECT
ANSWERS✅✅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 ANSWERS✅✅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 ANSWERS✅✅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 ANSWERS✅✅A mobile station in the aeronautical service,
other than a survival craft, located on board an aircraft.
Aeronautical Operational Control Communications (AOCC) - CORRECT
ANSWERS✅✅Communications related to the regularity of flight.
, Aeronautical Station - CORRECT ANSWERS✅✅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 ANSWERS✅✅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 ANSWERS✅✅An aerodrome at which an air traffic
control unit is in operation.
Flight Service Station - CORRECT ANSWERS✅✅An Air Traffic Service (ATS) unit
established to provide selected flight services.
General Aviation Communications (GAC) - CORRECT ANSWERS✅✅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 ANSWERS✅✅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 ANSWERS✅✅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