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Comment open through Dec 2PolicyRule watch3 min read

The FCC asks whether drones should be allowed to use ultra-wideband radios to land, with comments due December 2

An FCC proposal to rewrite its ultra-wideband rules, published in the Federal Register on November 2, asks whether UWB drone navigation and landing systems should be permitted. Today's rules bar UWB aboard aircraft.

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Read the Federal Register notice by Dec 2
Illustration: a drone dock on a rooftop (not an FCC image or a UWB system)
Illustration: a drone dock on a rooftop (not an FCC image or a UWB system).

Decision brief

This is a proposal and a request for comment, not a final rule. If you build or fly drones that use ultra-wideband for precise landing, this is where to say what limits would work. Comments are due December 2 and reply comments January 4, 2027, in ET Docket No. 26-245.

Comments due
Dec. 2, 2026

Reply comments Jan. 4, 2027

Docket
ET 26-245

FCC 26-66, adopted Sept. 30 and released Oct. 1, 2026

Rule now
No UWB aboard aircraft

47 CFR 15.521(a); the proposed text keeps that line

The notice

The FCC wants to modernize rules first adopted in 2002.

The FCC published a proposal to update its ultra-wideband (UWB) rules in the Federal Register on November 2. The Notice of Proposed Rulemaking, FCC 26-66 in ET Docket No. 26-245, was adopted September 30 and released October 1. Comments are due December 2 and reply comments January 4, 2027. UWB radios use very wide channels, typically 500 megahertz or more, at low power. The FCC says they can find both distance and direction over a short range.

The drone question

UWB landing systems may not fit today's rules.

The current rules say UWB operation "onboard an aircraft, a ship or a satellite is prohibited." They also bar UWB in toys. The notice asks "whether UWB-based autonomous drone navigation and landing systems should be permitted under the UWB rules." The FCC says commercial systems now offer precise positioning without GNSS for indoor and outdoor landings of multiple drones. Some even use phones as landing beacons. The FCC says those systems "may not be permissible" under its current rules.

The limits

Indoor-only use, altitude caps, and taller installations are on the table.

The FCC asks what limits would protect other spectrum users. It lists indoor-only use, confined outdoor areas, controlled sites such as factories, altitude limits, power limits, and duty-cycle limits. It asks whether drone-based UWB could change how users share spectrum, and what safeguards, such as geofencing or altitude limits, UWB aboard aircraft would need. In a separate section on a possible new class of UWB devices, it asks about mounting-height limits. It asks whether to allow installations up to 20 meters "to support low altitude drone operations and other potential new UWB applications." On the toy ban, a footnote says it is "not obvious" when a drone sold for consumer or hobbyist use is deployed in a way that makes it more than a toy.

What is not proposed

The draft rule text still bars UWB aboard aircraft.

The airborne questions are open, not proposed rules. The rule text printed with the notice still says operation "onboard an aircraft" is prohibited. That text drops the toy ban and would allow UWB on ships within inland waters. The FCC says it does not intend "drastic or wholesale changes" in satellite, air, and space environments. It says its goal is to make UWB available there, and it wants commenters who back wider use to file technical analyses, including coexistence studies.

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