FAA to require 5G-tolerant radio altimeters as FCC clears C-band auction - aerotime.aero
FAA will require 5G-tolerant radio altimeters following FCC C-band auction clearance.
Aforeworn detected this change in the Aviation Maintenance & Airworthiness (FAA) space on July 30, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Part 145 repair stations, Part 135/121 operators, flight schools, corporate flight departments operating aircraft with radio altimeters in C-band areas. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Not specified in the excerpt; likely tied to future airworthiness directives.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Aviation Maintenance & Airworthiness (FAA) continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
FAA now mandates installation of 5G-tolerant radio altimeters to mitigate interference from C-band 5G operations.
Who it affects
Part 145 repair stations, Part 135/121 operators, flight schools, corporate flight departments operating aircraft with radio altimeters in C-band areas.
What you must do
Assess fleet for non-tolerant altimeters and plan for replacement with FAA-approved 5G-tolerant units.
Deadline
Not specified in the excerpt; likely tied to future airworthiness directives.
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