noise

Hi Guys! I own a Cessna 205 with a 3 blade Continental I-O 550 The thing is, the propeller has started to make an almost unnoticeable Pulsating Sound during cruise flight.(you can only hear it with the headsets on) No real vibration has been felt, just the sound, like when you are flying a...

The Old Mountain View Neighborhood Association recently published the attached article complaining about noise from SJC arrivals. (Author's name and email address redacted.)

Many good posts have been written, on this forum and others, about the source of electrical noise. I know that grounding problems and other issues with bad connections can be one source. My IO-470 is turning a Delco alternator and I am thinking of upgrading to a PlanePower or one of the other...