Aug. 5, 2025

Watch Monitoring Devices on Small Passenger Vessels, Interim Rule Clarification

On December 27, 2021, the Coast Guard published an interim final rule: Fire Safety of Small Passenger Vessels, Interim Rule, Federal Register 73160, December 27, 2021 (link).  This interim final rule applies to covered small passenger vessels (CPSVs) with overnight accommodations for passengers and includes requirements for the installation and arrangement of watch monitoring devices.

Aug. 4, 2025

Cancellation of Marine Safety Center Technical Note (MTN) 01-94: Acceptance Criteria for Pressure Vessels on Reflagged Vessels

MTN 01-94, Acceptance Criteria for Pressure Vessels on Reflagged Vessels, issued February 28, 1994, has been determined to be obsolete and has been canceled by the Marine Safety Center (MSC).

Feb. 20, 2025

Use of Unauthorized Chemicals for Ballast Water Management Systems

The Coast Guard has been made aware of instances of the use of unauthorized chemical products in Ballast Water Management Systems (BWMS).

Dec. 23, 2024

Lithium Battery Guide for Shippers

On Nov 21st, 2024, the Pipeline and Hazardous Materials Safety Administration (PHMSA) finalized a helpful compliance resource, Lithium Battery Guide for Shippers, to assist shippers to safely package lithium cells and batteries for transport by all modes, including vessel shipments, with new regulatory requirements based on cell or battery configuration as well as Watt-hour (Wh) rating.

Dec. 23, 2024

Update to MSIB 13-23 — Coast Guard Policies to Address Sexual Assault and Sexual Harassment Prevention and Response on Vessels

The Coast Guard has published change 3 to MSIB 13-23 — Coast Guard Policies to Address Sexual Assault and Sexual Harassment Prevention and Response on Vessels. This update provides further clarity to the existing frequently asked questions from the public regarding changes to Title 46 of the United States Code (U.S.C.) to enhance vessel safety and address sexual assault and sexual harassment.