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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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