Garmin Service Alert: G5 Battery Discharge

A mandatory service bulletin against some Garmin G5 flight instruments addresses potential battery problems. Regular testing is the key to safety.

Emergency battery power for primary EFIS is the belt-and-suspender backup for total electrical system failure, but not for some Garmin G5 models that sit for long periods of time. That’s why Garmin has issued a mandatory Service Bulletin (22013 Rev. A) to prevent the problem of total backup battery discharge if the aircraft electrical power […]
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Editor in Chief Larry Anglisano has been a staple at Aviation Consumer since 1995. An active land, sea and glider pilot, Larry has over 30 years’ experience as an avionics repairman and flight test pilot. He’s the editorial director overseeing sister publications Aviation Safety magazine, IFR magazine and is a regular contributor to KITPLANES magazine with his Avionics Bootcamp column.