COMDTINST M3120.9 — Coast Guard Cutter Seamanship Manual

COMDTINST M3120.9 governs Coast Guard cutter seamanship, including deck operations and evolutions.

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• Publication number: COMDTINST M3120.9
• Title: COAST GUARD CUTTER SEAMANSHIP MANUAL
• Date: 11/4/2020
• Proponent: CG-751

View COMDTINST M3120.9 on armypubs.army.mil

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It defines shipboard directions, relative bearings, ship motion, and measurement terminology. It covers safety and operational requirements for launch and recovery, mooring, anchoring, towing, and fueling evolutions, including risk management, communications, equipment checks, personal protective equipment, and qualification requirements.

Applies to: The following requirements are generic in nature and applicable to all cutters during launch and recovery operations.

Topics covered

• Shipboard direction and position terminology
• Ship motion and measurements
• Mooring evolutions
• Anchoring operations
• Towing operations
• Cutter boat launch and recovery
• Personal protective equipment
• Fueling at sea

Questions and answers

What risk management is required for cutter boat launch and recovery?

Cutters shall complete risk management as part of evolution planning per Chapter 3. (paragraph 1)

What personal protective equipment is required for cutter boat launch and recovery?

PFDs, hard hats, safety footwear shall be worn. (paragraph 1)

How often must launch and recovery personnel complete training to maintain certification currency?

Launch and recovery personnel shall satisfactorily complete three day and one night launch and recovery every six months for the highest position held, per davit type, to maintain certification currency. (paragraph 1)

When must mooring equipment be inspected?

All mooring equipment shall be visually inspected prior to and after each use. (paragraph 1)

What must be done before using mooring lines?

Ensure all lines are free of kinks prior to use. (paragraph 9)

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