COMDTINST 16672.5H — Deck Watch Officer (dwo) Examination Program

COMDTINST 16672.5H governs the Coast Guard Deck Watch Officer Examination Program and its minimum qualification requirements.

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  • Publication number: COMDTINST 16672.5H
  • Title: DECK WATCH OFFICER (DWO) EXAMINATION PROGRAM
  • Date: 3/11/2026
  • Proponent: USCG

View COMDTINST 16672.5H on armypubs.army.mil

The publication addresses examination requirements for underway Officers of the Deck, coxswains, cutter personnel, and Vessel Traffic Service watchstanders. It requires appropriate Initial or Renewal examinations for specified duties and permits credit through approved Merchant Mariner Credentialing courses.

Applies to: All Coast Guard unit commanders, commanding officers, officers-in-charge, deputy/assistant commandants, and chiefs of headquarter directorates must comply with the policies contained.

Topics covered

  • Deck Watch Officer examinations
  • Underway Officer of the Deck qualifications
  • Coxswain certification
  • Vessel Traffic Service watchstanders
  • Merchant Mariner Credentialing examination credit
  • Initial and Renewal examinations
  • Cutter command qualifications

Questions and answers

When must prospective VTS watchstanders pass the DWO Examination?

All prospective Vessel Traffic Service (VTS) watchstanders, active-duty or civilian, shall pass the appropriate (Initial or Renewal) DWO Examination prior to certification as a VTS Operator or VTS Watch Supervisor. (paragraph 7)

Can Coast Guard personnel earn DWO Examination credit through approved courses?

Coast Guard DWO Examination credit may be earned through the Merchant Mariner Credentialing (MMC) process through approved courses. (paragraph 7)

What happened to the 21-day waiting period for the DWO Examination?

The 21-day waiting period for the DWO Examination is removed. (paragraph 7)

What happens if an underway OOD or DWO examination lapses?

OODs and DWOs whose examinations have lapsed will lose their certification until they have passed the examination.

What are the advancement requirements for BMs?

BMs shall be current in the appropriate (Initial or Renewal) DWO Examination for advancement.

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