WASHINGTON, Jan. 7 -- Federal Aviation Administration has issued a proposed rule called: Requirements for Interference-Tolerant Radio Altimeter Systems.
The proposed rule was published in the Federal Register on Jan. 7 by Hugh J. Thomas, Acting Executive Director, Flight Standards Service.
Summary: In July 2025, President Trump signed the One Big Beautiful Bill Act. Section 40002 of that law re-institutes the Federal Communications Commission's general auction authority and specifically directs the Commission to complete a system of competitive bidding for not less than 100 megahertz in the 3.98-4.2 gigahertz band (Upper C-band). To ensure safe, efficient, and reliable aviation operations in the presence of wireless signals in the Upper C...