Subchapter M

Cape Ann — The new ATB tug has a bollard pull of 48.19 metric tons. Master Boat Builders photo

Master Boat Builders delivers new ATB tug to Kirby

Ken Hocke

Collecting info for Subchapter M COIs

WorkBoat Staff

Raymarine AIS screen (800x600) — AIS screen shot courtesy of Raymarine.

Coast Guard warns of inaccurate AIS data

Kirk Moore

ABS customers get first Subchapter M COIs

WorkBoat Staff

Blessey_0108 — Blessey Marine towboats on the Lower Mississippi River. Photo by David Krapf

Subchapter M operators, talk to Coast Guard about inspection deferments

Guest Author

Coast Guard posts updated Subchapter M FAQs

David Krapf

2015 August OTW Crown Point running — The towboat Crown Point was the first West Coast vessel to obtain a Certificate of Inspection under Subchapter M. Tidewater Transportation & Terminals photo.

First West Coast Subchapter M certificate issued

Kirk Moore

Florida towing vessel gets first Subchapter M certificate

Kirk Moore

MR STL 0716 — Photo by David Krapf

Coast Guard releases bulletin on COIs for Subchapter M

David Krapf

Sub M_0391 — Subchapter M affects about 6,000 vessels. Photo by David Krapf

Coast Guard updates Subchapter M FAQs

WorkBoat Staff

Coal in a mixed tow on the Mississippi. Photo by David Krapf

Verification guidance for Subchapter M towing vessels

WorkBoat Staff