46 CFR 10.404: Training credit, training-record books, and towing assessment records

Last reviewed: October 14, 2026

This section covers how approved training may count toward required service for national deck or engineer endorsements. It also sets what a training-record book (TRB) must contain for OICNW and OICEW programs. Applicants for towing vessel endorsements named in paragraph (c) must complete a Coast Guard-approved TOAR.

Applies toIt applies to applicants for national deck or engineer endorsements, approved training programs for STCW endorsements for OICNW and OICEW, and towing vessel Master or Mate (Pilot) applicants.

What it says

  1. Satisfactory completion of an approved training course may be substituted for a portion of the required service on deck or in the engine department for national deck or engineer endorsements.

    46 CFR 10.404(a)(1)“Satisfactory completion of an approved training course may be substituted for a portion of the required service on deck or in the engine department for national deck or engineer endorsements.”
  2. Unless otherwise allowed, recency requirements may not be met by service credited for approved training or by simulator training, but underway service that is part of an approved course or program may be used.

    46 CFR 10.404(a)(2)“Unless otherwise allowed, recency requirements may not be achieved by service granted as a result of successful completion of approved training or by training on a simulator”
  3. Unless otherwise allowed, training obtained before receiving an endorsement may not be used for service credit for later raises of grade, increases in scope, or renewals.

    46 CFR 10.404(a)(3)“training obtained before receiving an endorsement may not be used for service credit for subsequent raises of grade, increases in scope, or renewals.”
  4. Approved training programs for STCW endorsements for OICNW and OICEW must maintain a TRB for each student where training or assessments of competence are conducted onboard the ship.

    46 CFR 10.404(b)(1)“Approved training programs for STCW endorsements for OICNW and OICEW must maintain a TRB for each student where training and/or assessments of competence are conducted onboard the ship.”
  5. The TRB may be kept electronically if the electronic record meets Coast Guard-accepted standards for accuracy, integrity, and availability.

    46 CFR 10.404(b)(2)“may be maintained electronically, provided the electronic record meets Coast Guard-accepted standards for accuracy, integrity, and availability.”
  6. The Coast Guard may accept other forms of documentation as meeting the requirement to maintain the training-record book.

    46 CFR 10.404(b)(3)“The Coast Guard may accept other forms of documentation as meeting the requirements to maintain the training-record book.”
  7. Each applicant for Master or Mate (Pilot) of Towing Vessels, and each Master or Mate of self-propelled vessels of 200 GRT or more seeking a towing vessel endorsement, must complete a Coast Guard-approved TOAR with the listed contents.

    46 CFR 10.404(c)“must complete a TOAR approved by the Coast Guard that contains at least the following:”

Common questions

Can approved training count as sea service?

Yes. Completing an approved training course may be substituted for a portion of required service for national deck or engineer endorsements. An approved program that includes sea service may replace a portion or all of the service, except as limited by law for ratings.

“Satisfactory completion of an approved training program which includes sea service may be substituted for a portion of or all of the required service on deck or in the engine department, except as limited by law for ratings.”

Does training credit apply to STCW endorsements?

No, not unless provided otherwise. The provision for crediting service for training is not applicable to STCW endorsements unless provided otherwise.

“This provision for crediting service for training is not applicable to STCW endorsements unless provided otherwise.”

Can a training-record book be kept electronically?

Yes. The TRB may be kept electronically if the record meets Coast Guard-accepted standards for accuracy, integrity, and availability.

“may be maintained electronically, provided the electronic record meets Coast Guard-accepted standards for accuracy, integrity, and availability.”

Who has to complete a TOAR?

Each applicant for Master or Mate (Pilot) of Towing Vessels must complete one. So must each Master or Mate of self-propelled vessels of 200 GRT or more seeking a towing vessel endorsement.

“Each applicant for an endorsement as Master or Mate (Pilot) of Towing Vessels, and each Master or Mate of self-propelled vessels of 200 GRT or more, seeking an endorsement for towing vessels”

The text of 46 CFR 10.404

Electronic Code of Federal Regulations (eCFR), current as of March 31, 2026 · Read it on eCFR

Substitution of training for required service, use of training-record books (TRBs), and use of towing officer assessment records (TOARs)

(a) Substitution of training for required service. (1) Satisfactory completion of an approved training course may be substituted for a portion of the required service on deck or in the engine department for national deck or engineer endorsements. Satisfactory completion of an approved training program which includes sea service may be substituted for a portion of or all of the required service on deck or in the engine department, except as limited by law for ratings. The list of all currently approved courses and programs, including the equivalent service and applicable endorsements, is maintained by the NMC.

(2) Unless otherwise allowed, recency requirements may not be achieved by service granted as a result of successful completion of approved training or by training on a simulator; however, underway service obtained as a portion of an approved course or program may be used for this purpose.

(3) Unless otherwise allowed, training obtained before receiving an endorsement may not be used for service credit for subsequent raises of grade, increases in scope, or renewals.

(4) This provision for crediting service for training is not applicable to STCW endorsements unless provided otherwise.

(b) Use of training-record books (TRBs). (1) Approved training programs for STCW endorsements for OICNW and OICEW must maintain a TRB for each student where training and/or assessments of competence are conducted onboard the ship. The TRB must contain at least the following information:

(i) The name of the applicant.

(ii) The tasks to be performed or the skills to be demonstrated, with reference to the standards of competence set forth in the tables of the appropriate sections in part A of the STCW Code (incorporated by reference, see § 10.103 of this part).

(iii) The method for demonstrating competence to be used in determining that the tasks or skills have been performed properly, with reference to the standards of competence set forth in the tables of competence in the appropriate sections in part A of the STCW Code (incorporated by reference, see § 10.103 of this part).

(iv) A place for a Qualified Instructor to indicate by their initials that the applicant has received training in the proper performance of the task or skill.

(v) A place for a Qualified Assessor (QA) to indicate by their initials that the applicant has successfully completed a practical demonstration and has proved competent in the task or skill under the criteria, when assessment of competence is to be documented in the record books.

(vi) The printed name of each Qualified Instructor, including any MMC endorsements held, and the instructor's signature.

(vii) The printed name of each Qualified Assessor, when any assessment of competence is recorded, including any MMC endorsement held by the assessor, and the assessor's signature confirming that their initials certify that they have witnessed the practical demonstration of a particular task or skill by the applicant.

(2) The TRB referred to in paragraph (b) of this section may be maintained electronically, provided the electronic record meets Coast Guard-accepted standards for accuracy, integrity, and availability.

(3) The Coast Guard may accept other forms of documentation as meeting the requirements to maintain the training-record book.

(c) Use of towing officer assessment records (TOARs). Each applicant for an endorsement as Master or Mate (Pilot) of Towing Vessels, and each Master or Mate of self-propelled vessels of 200 GRT or more, seeking an endorsement for towing vessels, must complete a TOAR approved by the Coast Guard that contains at least the following:

(1) Identification of the applicant, including their full name, and reference number;

(2) Objectives of the training and assessment;

(3) Tasks to perform or skills to demonstrate;

(4) Criteria to use in determining that the tasks or skills have been performed properly;

(5) A means for a Designated Examiner (DE) to attest that the applicant has successfully completed a practical demonstration and has proved proficient in the task or skill under the criteria; and

(6) Identification of each DE by their full name and reference number, job title, ship name and official number, and serial number of the MMC held, and printed name and signature confirming that their initials certify that they have witnessed the practical demonstration of a particular task or skill by the applicant.

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 March 31, 2026. The regulation text governs. RegKnot is not affiliated with the U.S. Coast Guard.