U.S. Coast Guard Safety Alert 16-26 reminds towing vessel owners, operators, and credentialed mariners that federal Inland Navigation Rules do not automatically override applicable state and local navigation safety requirements, including no-wake zones and speed restrictions. Download Safety Alert 16-26 for details and recommended safety actions.
The Coast Guard has reopened the comment period for draft Navigation and Vessel Inspection Circular (NVIC) 02-99, Change 1, Guidance on the Streamlined Inspection Program (SIP).
TVIB encourages towing vessel operators, auditors, surveyors, and other industry stakeholders to review the draft and submit comments by October 29, 2026. Please share your input with the Coast Guard during this reopened comment period.
Read the Federal Register notice for the draft guidance, full details, and comment submission instructions.
This FAQ is designed to provide concise answers to common questions about Third Party Organizations (TPOs) and their role under 46 CFR Subchapter M. It serves as a guide for operators, auditors, and other stakeholders seeking to better understand compliance requirements and the benefits of working with a TPO.
For comprehensive answers and guidance, visit the FAQ section on our website: TVIB FAQ. Use the search function with the term “TPO” or navigate to 46 CFR Part 139 for relevant details.
