6/6/2018: Updated Subchapter M Frequently Asked Questions now available

The Towing Vessel National Center of Expertise recently published the latest additions and updates to the Frequently Asked Questions regarding Subchapter M, inspected towing vessels. As a convenience for our readers, in this post Maritime Commons is providing a compilation of those changes, made as of May 29, 2018.


5/23/2018: Updated Subchapter M FAQs now available

The Towing Vessel National Center of Expertise recently published the latest additions and updates to the Frequently Asked Questions regarding Subchapter M, inspected towing vessels. As a convenience for our readers, in this post Maritime Commons is providing a compilation of those changes.


4/5/2018: New Form CG-835V Vessel Inspection Requirements

Form CG-835V Vessel Inspection Requirements is specifically tailored to capture more detailed deficiency data in a manner that is aligned with globally accepted Port State Control methodologies. The CG-835V was developed in conjunction with corresponding enhancements to the Coast Guard’s internal database, MISLE, in order to support better data analytics and the development and monitoring of Key Performance Indicators for the U.S. flag fleet and the Recognized Organizations that perform statutory certification and services on the Coast Guard’s behalf.


11/28/2017: Fifth policy letter regarding Subchapter M implementation now available

This policy letter provides guidance to Coast Guard entities including Officer(s) in Charge, Marine Inspection (OCMI), Third Party Organizations (TPO), and the marine industry on the recording and reporting of deficiencies and non-conformities on vessels whose owners have chosen to use the TSMS option. The overall responsibility for vessel compliance rests with the vessel owner and/or managing operator. TPOs conduct independent verifications of a company’s TSMS and towing vessels to verify compliance with the requirements of 46 CFR Subchapter M.


3/13/2017: New policy letters on Subchapter M implementation

Policy letters provide clarity regarding the issuance of certificates of compliance and tankerman person-in-charge endorsements.


9/2/2016: Subchapter M – Updated FAQs

The final rule to establish safety regulations for commercial towing vessels (known as “Subchapter M”) became effective July 20, 2016, with many of the requirements to be phased in over time. The final rule to establish safety regulations for commercial towing vessels (known as “Subchapter M”) became effective July 20, 2016, with many of the requirements to be phased in over time.


6/20/2016: Subchapter M resources – Frequently asked questions

Following the publication of Subchapter M, Inspections for Towing Vessels, the Coast Guard Towing Vessel National Center of Expertise established a website that will address frequently asked questions about the new requirements.