46 CFR 140.420: Emergency drills and instruction on towing vessels
Last reviewed: October 14, 2026
This section requires the master of a towing vessel to ensure drills and instruction prepare all crewmembers for emergencies. Each crewmember must receive the required instruction annually unless otherwise stated. Drills and instruction must be recorded.
Applies toThe section applies to the master and crewmembers of a towing vessel.
What it says
The master of a towing vessel must ensure that drills are conducted and instructions are given so all crewmembers can perform their emergency duties.
46 CFR 140.420(a)“The master of a towing vessel must ensure that drills are conducted and instructions are given to ensure that all crewmembers are capable of performing the duties expected of them during emergencies.”
Each drill must, as far as practicable, be conducted as if there was an actual emergency.
46 CFR 140.420(b)“Each drill must, as far as practicable, be conducted as if there was an actual emergency.”
Unless otherwise stated, each crewmember must receive the instruction required by this section annually.
46 CFR 140.420(c)“Unless otherwise stated, each crewmember must receive the instruction required by this section annually.”
Credentialed mariners holding an officer endorsement do not require instruction under paragraphs (d)(1), (3), and (4) of this section.
46 CFR 140.420(d)(5)“Credentialed mariners holding an officer endorsement do not require instruction in accordance with paragraphs (d)(1), (3), and (4) of this section.”
Instruction may be given in an electronic format followed by a discussion and demonstration by a competent individual, and it must include the equipment that is the subject of the instruction.
46 CFR 140.420(e)(1)“Instruction as required by this section may be conducted via an electronic format followed by a discussion and demonstration by a competent individual.”
As far as practicable, drills must take place on board the vessel.
46 CFR 140.420(f)“As far as practicable, drills must take place on board the vessel.”
Records of drills and instruction must be maintained in the TVR, official logbook, or in accordance with the TSMS applicable to the vessel.
46 CFR 140.420(g)“Records of drills and instruction must be maintained in the TVR, official logbook, or in accordance with the TSMS applicable to the vessel.”
Common questions
How often must towing vessel crew receive emergency instruction?
Unless otherwise stated, each crewmember must receive the instruction required by this section annually.
“Unless otherwise stated, each crewmember must receive the instruction required by this section annually.”
Can emergency instruction on a towing vessel be done electronically?
Yes. Instruction may be given in an electronic format followed by a discussion and demonstration by a competent individual.
“Instruction as required by this section may be conducted via an electronic format followed by a discussion and demonstration by a competent individual.”
What must towing vessel drill records include?
The record must include the date of the drill and instruction, a description of the drill scenario and instruction topics, and the personnel involved.
“A description of the drill scenario and instruction topics;”
The text of 46 CFR 140.420
Electronic Code of Federal Regulations (eCFR), current as of April 16, 2026 · Read it on eCFR
Emergency drills and instruction
(a) Master's responsibilities. The master of a towing vessel must ensure that drills are conducted and instructions are given to ensure that all crewmembers are capable of performing the duties expected of them during emergencies. This includes abandoning the vessel, recovering persons from the water, responding to onboard fires and flooding, or responding to other threats to life, property, or the environment.
(b) Nature of drills. Each drill must, as far as practicable, be conducted as if there was an actual emergency.
(c) Annual instruction for each crew member. Unless otherwise stated, each crewmember must receive the instruction required by this section annually.
(d) Instructions and drills required. The following instruction and drills are required:
(1) Response to fires, as required by § 142.245 of this subchapter;
(2) Launching of a skiff, if listed as an item of emergency equipment to abandon ship or recover a person-overboard;
(3) Instruction on the use of davit-launched liferafts, if installed.
(4) If a rescue boat is installed, instruction on how it must be launched, with its assigned crew aboard, and maneuvered in the water as if during an actual man-overboard situation.
(5) Credentialed mariners holding an officer endorsement do not require instruction in accordance with paragraphs (d)(1), (3), and (4) of this section.
(e) Alternative forms of instruction. (1) Instruction as required by this section may be conducted via an electronic format followed by a discussion and demonstration by a competent individual. This instruction may occur either on board or off the vessel but must include the equipment that is the subject of the instruction.
(2) Instruction as required by this section may be performed in accordance with the TSMS applicable to the vessel, provided that it meets the minimum requirements of this section.
(f) Location of drills, full crew participation, and use of equipment. As far as practicable, drills must take place on board the vessel. They must include:
(1) Participation by all crewmembers; and
(2) Actual use of, or realistic simulation of the use of, emergency equipment.
(g) Recordkeeping. Records of drills and instruction must be maintained in the TVR, official logbook, or in accordance with the TSMS applicable to the vessel. The record must include:
(1) The date of the drill and instruction;
(2) A description of the drill scenario and instruction topics;
(3) The personnel involved.
Sections it refers to
The plain-English explanation on this page was written with AI from the regulation text above and checked automatically before publishing: every quote appears in the text, every number comes from it, and a second model confirmed each statement adds nothing the text doesn't say. Regulation text current as of April 16, 2026. The regulation text governs. RegKnot is not affiliated with the U.S. Coast Guard.