46 CFR § 199.510 - EPIRB requirements.

---
identifier: "/us/cfr/t46/s199.510"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 199.510 - EPIRB requirements."
title_number: 46
title_name: "Shipping"
section_number: "199.510"
section_name: "EPIRB requirements."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "W"
subchapter_name: "LIFESAVING APPLIANCES AND ARRANGEMENTS"
part_number: "199"
part_name: "LIFESAVING SYSTEMS FOR CERTAIN INSPECTED VESSELS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3306, 3703; Pub. L. 103-206, 107 Stat. 2439; DHS Delegation 00170.1, Revision No. 01.4."
regulatory_source: "CGD 84-069, 61 FR 25313, May 20, 1996, unless otherwise noted."
cfr_part: "199"
---


# 199.510 EPIRB requirements.

(a) Each vessel must carry a category 1 406 MHz satellite EPIRB meeting the requirements of 47 CFR part 80.

(b) When the vessel is underway, the EPIRB must be stowed in its float-free bracket with the controls set for automatic activation and be mounted in a manner so that it will float free if the vessel sinks.