Boeing 787 Planes' Radios Changing Frequencies All by Themselves?
Published Date: 2/26/2025
Proposed Rule
Summary
The FAA wants to fix a glitch in certain Boeing 787 planes where radio frequencies switch on their own, risking missed messages with Air Traffic Control. They’re proposing a software update and a quick check to keep flights safe. Airlines need to comment by April 14, 2025, and get ready for the update, which helps avoid costly communication mix-ups.
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
Fix prevents missed ATC communications
The proposed AD would fix a problem where very high frequency (VHF) radio frequencies can transfer between active and standby windows on the TCP without crew input, which could cause missed communications with Air Traffic Control. The rule requires the software update and check described in Boeing Alert Requirements Bulletin B787-81205-SB230051-00 RB, Issue 001, dated May 20, 2024, to address the unsafe condition that could otherwise lead to missed amended clearances, loss of separation, collision, or runway incursion.
Airlines must install TCP software update
If you operate certain Boeing Model 787-8, 787-9, or 787-10 airplanes, the FAA proposes you must update the tuning control panel (TCP) operational software and perform a software configuration check to ensure software part number COL43-0025-0004 or a later approved part is installed. The proposed rule applies to airplanes identified in Boeing Alert Requirements Bulletin B787-81205-SB230051-00 RB, Issue 001, dated May 20, 2024 (excluding line numbers 1164, 1165, and 1170), affects 157 U.S.-registered airplanes, and the FAA estimates the labor cost is 1.5 work-hours × $85/hour = $127.50 per airplane (parts $0), for a total estimated cost to U.S. operators of $20,017.50.
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