PPL » Flight Radio » Loss of Comms - Aircraft Equipment
2.16 Loss of Communications - Aircraft Equipment
2.16.2 Describe the checks that should be followed when becoming aware of an aircraft communication system failure, including a check of:
(a) radio power source;
- master switch is on
- avionics switch is on
- circuit breakers/fuses are not popped or blown
(b) function settings (frequency, squelch and similar);
- correct frequency is selected
- squelch function and level is set correctly
- volume is not turned down too low
- correct comms box is selected
(c) microphone or headset.
- microphone and leads are correctly plugged in
- volume on the headset is up
2.16.4 Detail the actions to be taken when experiencing loss of communications in:
(a) controlled airspace;
5.2.2 The pilot of an aircraft operating under VFR should:
(a) not enter controlled airspace, including control zones, unless complying with:
(i) a clearance already received and acknowledged; or
(ii) published COM failure procedures for that aerodrome.
(b) divert to an unattended aerodrome and report arrival to ATS as soon as possible;
(c) if unable to divert to an unattended aerodrome:
(i) continue to operate transponder on code 7600; and
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