Airworthiness Directives; The Boeing Company Airplanes
Transportation Department, Federal Aviation Administration | Rule | The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 787-8, 787-9, and 787-10 airplanes. This AD was prompted by the determination that radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G Lower C-Band) while operating in Canadian airspace, and the determination that as a result of this interference, certain airplane systems may not properly transition from AIR to GROUND mode when landing on certain runways, resulting in a longer landing distance than normal due to.
Reported by Maria LopezAirworthiness Directives; The Boeing Company Airplanes.
The item is dated 2026-06-30.
TeamCog is carrying it as a rulemaking report from FederalRegister.gov published documents API.
Transportation Department, Federal Aviation Administration | Rule | The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 787-8, 787-9, and 787-10 airplanes.
This AD was prompted by the determination that radio altimeters cannot be relied upon to perform their intended function if they experience interference from wireless broadband operations in the 3.7-3.98 GHz frequency band (5G Lower C-Band) while operating in Canadian airspace, and the determination that as a result of this interference, certain airplane systems may not properly transition from AIR to GROUND mode when landing on certain runways, resulting in a longer landing distance than normal due to…
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FederalRegister.gov published documents API. Accessed 2026-06-30T15:00:02.940Z.