Microlight » Flight Radio » Loss of Comms - Aircraft Equipment

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