Safety · Tuesday, 28 July 2026
FAA mandates all altimeters be updated to prevent 5G interference
The FAA has issued a new rule requiring all aircraft operating in the U.S. to be equipped with interference-tolerant radio altimeters by 2030 to mitigate 5G signal risks.
TL;DR
The FAA rule mandates that airlines must update altimeters on aircraft with 30+ seats or 7,500lb+ payload by December 30, 2030, with other operators having until October 31, 2034. The rule addresses critical safety concerns regarding 5G signal interference with aircraft altitude readings, impacting over 40,000 aircraft and requiring a multi-billion dollar industry-wide upgrade.
FlightGlobal28 Jul, 01:29 BST
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