---
kind: "section"
citation: "14 C.F.R. § 89.305"
title: "14"
number: "89.305"
heading: "Minimum message elements broadcast by standard remote identification unmanned aircraft."
url: "https://uscodex.org/cfr/14/89.305"
---

# §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.**

## Notes

### Authority

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.

### Source

Source: Amdt. 89-1, 86 FR 4505, Jan. 15, 2021, unless otherwise noted.