The cognizant OCMI is responsible for establishing manning levels for each towing vessel based on statutory and regulatory requirements and with consideration given to factors including, but not limited to, vessel size, service and route.
Manning guidance and sample manning scales for towing vessels inspected under Subchapter M can be found in Parts B and C of Marine Safety Manual Volume III: Marine Industry Personnel. Relevant sections are listed below for ease of reference (not all inclusive):
Chapter B1, General Provisions for Vessel Manning (NOTE: Annex Attachment (1) contains a Suggested Template: Minimum Safe Manning Proposal);
Chapter B2, Section W: Sample Manning Scales for Towing Vessels Inspected under 46 CFR Subchapter M;
Chapter B2, Section X: Manning and STCW Certification Reference Tables (Seagoing Vessels);
Chapter B3, Section B: Impact of International Standards (OCCC ’36, STCW, ITC, SOLAS, IMO Resolution A.1047(20));
Chapter B3, Section C: Masters;
Chapter B3, Section D: Mates;
Chapter B3, Section E: Chief Engineer;
Chapter B3, Section F: Engineers;
Chapter B3, Section G: Master and Mate (Pilot) of Towing Vessels;
Chapter B4, Section D: Deck Department Manning;
Chapter B4, Section E: Engineering Department Manning;
Chapter B5, Section A: Watchstanding Requirements on U.S. Vessels;
Chapter B5, Section C: Work Hour Limitations;
Chapter B5, Section E: International Standards Relating to Working Conditions (STCW, ILO 147, ILO MLC);
Chapter B6, Section A: Manning Requirements
Chapter C2, Section A: Deck Officer Endorsements (Routes, Tonnage, Grade, Equivalents, Trade Restrictions);
Chapter C2, Section B: Engineer Officer Endorsements (Propulsion Power, Grade, Equivalents, Trade Restrictions);
Chapter C2, Section C: Deck Ratings;
Chapter C2, Section D: Engine Ratings;
Annex Attachment (1): Suggested Template – Minimum Safe Manning Proposal; Annex Attachment (3): Master’s Field Guide – U.S. Vessel manning
Regulatory Cite:
46 CFR 15.501 Certificate of inspection
Additional Guidance:
Marine Safety Manual Volume III