Document ID: chunk:federal_register_of_legislation:F2025C00050:body:0:p244
Version: federal_register_of_legislation:F2025C00050
Segment Type: other
Provision Reference: 
Character Range: 846120–850042

commencing a flight.

3.                       Aeronautical radio telephony
3.1                    Operation of aeronautical radio systems
(a)           recall the phonetic alphabet and the method of transmitting numerals;
(b)           recall the correct use of aircraft call-signs;
(c)           state standard radio procedures for OCTA;
(d)           state how time is transmitted in a message;
(e)           state how to effectively listen to the radio;
(f)             state how to establish and maintain communications;
(g)           state the hazards of clipped transmissions and the consequences.
3.2                    Routine pre-flight test of an aircraft radio-telephone
(a)           for the following, describe the correct technique and procedure for conducting a routine pre‑flight test of an aircraft radio telephone:
             1.          use of radio transmit and receive selector switches;
             2.          turning radio on;
             3.         selecting correct frequencies;
             4.         use of squelch control;
             5.         selection of radio nav equipment;
             6.         correct use of a microphone;
             7.        use of intercom and public address system;
             8.       voice activated systems.
3.3                    Fault finding and corrective action
3.3.1              State the correct procedure for routine fault finding and the corrective actions a pilot should take in relation to a fault.
3.4                    Reporting position in circuit and for local flights
3.4.1              State the standard phraseology to be used to report the position of an aircraft in the circuit and required calls for local flights.
3.5                    Responsibilities of an aeronautical radio operator
3.5.1              State the responsibility of an aeronautical radio operator for the following:
(a)           secrecy of communications;
(b)           unauthorised transmissions.
3.6                    State the function of the following components of an aeronautical radio system
(a)           power source/battery switch;
(b)           radio master;
(c)           fuses and circuit breakers;
(d)           microphone;
(e)           transmitter;
(f)             receiver;
(g)           antenna;
(h)           headphones and speaker.
3.7                    Distress and emergency messages
3.7.1              Describe the difference between a distress and emergency message and the standard phrases used.
3.8                    Radio failure procedures
3.8.1              Extract and use the radio failure procedures from ERSA.
3.9                    Radiotelephone controls
3.9.1              In relation to the use of an aeronautical radiotelephone, describe the controls used to transmit and receive, including audio panel selections.
3.10                Radio waves
3.10.1          Describe the basic principles and characteristics of radio waves, wave propagation, transmission and reception:
(a)           radio frequency band ranges (MF, HF, VHF, UHF);
(b)           properties of radio waves and the effective range of transmissions;
(c)           propagation of paths of radio waves:
             1.          ground waves;
             2.          sky waves.
(d)           factors affecting the propagation of radio waves and reception:
             1.          terrain;
             2.          ionosphere;
             3.         sun spot activity;
             4.         interference from electrical equipment;
             5.         thunderstorms;
             6.         power attenuation;
(e)           radio antennas:
             1.          characteristics of antennas;
             2.          use of antennas.
3.10.2          Describe the limitations of VHF and HF signals and factors affecting quality of reception and range of signal.

Unit 1.2.3                                   GNSSC:  Basic GNSS and en route