47 CFR § 95.2903 - Definitions, PLBs and MSLDs.

---
identifier: "/us/cfr/t47/s95.2903"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 95.2903 - Definitions, PLBs and MSLDs."
title_number: 47
title_name: "Telecommunication"
section_number: "95.2903"
section_name: "Definitions, PLBs and MSLDs."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "D"
subchapter_name: "SAFETY AND SPECIAL RADIO SERVICES"
part_number: "95"
part_name: "PERSONAL RADIO SERVICES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "47 U.S.C. 154, 303, 307."
regulatory_source: "82 FR 41104, Aug. 29, 2017, unless otherwise noted."
cfr_part: "95"
---


# 95.2903 Definitions, PLBs and MSLDs.

*Identification code.* An identification code issued by the National Oceanic and Atmospheric Administration (NOAA) to establish a unique identification for each PLB.

*National Oceanic and Atmospheric Administration (NOAA).* The U.S. Government Agency that is the United States Program Manager for the 406 MHz COSPAS/SARSAT satellite system.

*Maritime Survivor Locating Device (MSLD).* A device intended to aid in the location of persons in the water.

*Personal Locator Beacon (PLB).* A small portable transmitter, compliant with all of the rules in this subpart, that is intended to provide individuals in remote areas a means to alert others of an emergency situation and to aid search and rescue personnel to locate those in distress.