FAA Mandates Safety Checks for Boeing Lithium Battery Beacons
Published Date: 4/16/2026
Rule
Summary
The FAA is setting new safety rules for Honeywell’s installation of non-rechargeable lithium batteries in Boeing 757 airplanes’ underwater locator beacons. These special conditions make sure the batteries are just as safe as current standards require. The rules take effect April 16, 2026, and Honeywell must follow them while the public can comment until June 1, 2026.
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