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Group: Forum Members
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I was always taught to start the engine before switching on the avionics master switch in order to reduce the possibility of power spikes damaging the avionics. I appreciate that not all aircraft have an avionics master but, in that case (such as a PA 28 I have been flying recently) leave the individual avionics kit switched off until engine is running. I guess this is a similar issue that would be resolved by following this advice. I don't have this problem as I power my PAW from a Anker power source.
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