Practice Test Geeks(DWO) Deck Watch Officer Practice Test

DWO Flashcards

169 study cards across 27 topic decks — every card built from a real DWO practice question. No account or sign-up needed. Flip to reveal the answer and explanation, mark what you know, and drill what you don't.

DWO exam key facts

  • The National Maritime Center Rules of the Road module Q100 examination contains 50 questions. Source
  • The National Maritime Center Rules of the Road examination module Q100, recognized as equivalent to the DWO examination, requires a minimum passing score of 90%. Source
  • Passing the Initial Deck Watch Officer Examination provides watchstanding qualification validity for five years. Source
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🎲 Mixed Deck — All DWO Topics
100 cards sampled from every topic · the fastest way to find your weak spots
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Decks by Topic

Chart Work and Pilotage
7 cards
Emergency Response
7 cards
Emergency Response
7 cards
Security and Emergency Preparedness
7 cards
Security and Emergency Preparedness
7 cards
Security and Emergency Preparedness
7 cards
Security and Emergency Preparedness
7 cards
Ship Handling
7 cards
Ship Handling
7 cards
Ship Handling
7 cards
Ship Handling
7 cards
Bridge Resource Management
6 cards
Bridge Watchkeeping
6 cards
Cargo Operations & Stability
6 cards
Emergency Procedures & Safety
6 cards
Emergency Response
6 cards
Log Keeping
6 cards
Maritime Communication
6 cards
Maritime Law & Regulations
6 cards
Navigation Rules
6 cards
Safety Procedures
6 cards
Ship Handling
6 cards
Weather Assessment
6 cards
Navigation and Safety
5 cards
Security and Emergency Preparedness
5 cards
Ship Operations and Maintenance
5 cards
Watchkeeping and Communication
5 cards

What Practice Test Geeks adds beyond an AI chat for DWO

An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:

  • A timed, full-length DWO mock exam — 60 questions in 90 minutes with a 90% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
  • A fixed DWO question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
  • Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
  • A printable DWO cheat sheet you can print or save as a PDF.
  • Free DWO practice tests with the correct answer shown after each question.
Start the Timed DWO Mock Exam →

How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. dco.uscg.mil — Exam format, passing score · verified Oct 2026
  2. media.defense.gov — Eligibility, renewal, score validity · verified Oct 2026
  3. mycg.uscg.mil — Test delivery · verified Oct 2026