14 CFR § 89.305 - Minimum message elements broadcast by standard remote identification unmanned aircraft.

---
identifier: "/us/cfr/t14/s89.305"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 89.305 - Minimum message elements broadcast by standard remote identification unmanned aircraft."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "89.305"
section_name: "Minimum message elements broadcast by standard remote identification unmanned aircraft."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "F"
subchapter_name: "AIR TRAFFIC AND GENERAL OPERATING RULES"
part_number: "89"
part_name: "REMOTE IDENTIFICATION OF UNMANNED AIRCRAFT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106(f), 40101(d), 40103(b), 44701, 44805, 44809(f); Section 2202 of Pub. L. 114-190, 130 Stat. 629."
regulatory_source: "Amdt. 89-1, 86 FR 4505, Jan. 15, 2021, unless otherwise noted."
cfr_part: "89"
---


# 89.305 Minimum message elements broadcast by standard remote identification unmanned aircraft.

A standard remote identification unmanned aircraft must be capable of broadcasting the following remote identification message elements:

(a) The identity of the unmanned aircraft, consisting of:

(1) A serial number assigned to the unmanned aircraft by the person responsible for the production of the standard remote identification unmanned aircraft; or

(2) A session ID.

(b) An indication of the latitude and longitude of the control station.

(c) An indication of the geometric altitude of the control station.

(d) An indication of the latitude and longitude of the unmanned aircraft.

(e) An indication of the geometric altitude of the unmanned aircraft.

(f) An indication of the velocity of the unmanned aircraft.

(g) A time mark identifying the Coordinated Universal Time (UTC) time of applicability of a position source output.

(h) An indication of the emergency status of the unmanned aircraft.