About USCG-CM-UNL Exam Prep
An independent practice platform for the National Chief Mate Unlimited OC or NC (USCG-CM-UNL) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the USCG-CM-UNL exam
The National Chief Mate Unlimited OC or NC (USCG-CM-UNL) exam is organized into 10 knowledge domains. Here is what it covers:
- Q100 Rules of the Road - International and Inland
- Q101 Deck General Part I
- Q102 Deck General Part II
- Q103 Deck Safety
- Q104 Deck Safety/Stability Problems
- Q105 Navigation General - Near Coastal
- Q106 Navigation General - Oceans
- Q107 Chart Plot
- Q108 Navigation Problems - Near Coastal
- Q109 Navigation Problems - Oceans
Every practice question on this site is organized across these 10 domains, so your study tracks the real exam structure instead of guesswork. As you answer, the per-domain analytics surface the areas still costing you points, so your review goes where it moves your score.
What we believe good exam prep looks like
Realistic practice beats passive reading. Every question is written to mirror the style and difficulty of the real exam, with a clear explanation of why the right answer is right and the others aren't.
Your weak spots should find you. Domain analytics, mistake review, and re-drilling are built in, so study time goes where it moves your score.
Pricing should be simple. One payment for a fixed access window matched to your exam date. No subscription, no auto-renewal, and 10 free questions to try before you spend anything.
Get in touch
Questions, feedback, or something not working? Email support@boardmentor.study - candidate messages are read and answered.