Deck · 2026 NMC sample exam Q345
Master under 100 GRT to Master or Mate under 200 GRT Great Lakes and Inland Practice Test
Every module on the National Maritime Center's 2026 sample examination for Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland: 1 module, 50 real questions, graded instantly.
The Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland exam is split into 1 module, each graded separately. The table below is the National Maritime Center's own 2026 sample examination for this credential, module by module, with every question matched to our bank of released U.S. Coast Guard exam questions. Open a module to practice its questions one at a time, or sit the whole module as a timed exam.
What is on the Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland exam
| Module | Questions | Illustrations | Practice |
|---|---|---|---|
| Q345 Navigation and Deck General - Safety | 50 | 3 | Practice → |
| Total | 50 | 3 |
Most modules require 70 percent to pass; Rules of the Road modules require 90 percent.
Q345 · 50 questions · 3 illustrations
Navigation and Deck General - Safety
- 1. In the illustration, the lower seam of the strake indicated by the letter "B" is sometimes riveted. Why is this done?
- 2. For vessels on international voyages fitted with cargo gear, an initial test of the units under a proof load shall be conducted. Subsequent tests and exams of t...
- 3. While entering a harbor on a course of 225° per gyrocompass, you take a bearing on a pair of range lights and get 220° per gyrocompass. The bearing on the chart...
- 4. Quadrantal error in a gyrocompass has its GREATEST effect on which of the following?
- 5. Your vessel is proceeding up a channel, and you see a pair of range lights that are in line ahead. The chart indicates that the direction of this pair of lights...
Showing the first 5 of 50. Start at question 1 and use Next to work through the module →
Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland exam FAQ
Q How many questions are on the Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland exam?
The National Maritime Center's 2026 sample examination for Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland has 50 questions across 1 module: Q345 Navigation and Deck General - Safety (50 questions). Every one is multiple choice with four answers, and you can practice all of them on this page.
Q What modules are on the Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland exam?
The modules are Q345 Navigation and Deck General - Safety (50 questions). Each module is graded separately, so you need to pass every one to pass the exam.
Q What score do I need to pass the Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland exam?
Most USCG exam modules require 70 percent to pass; Rules of the Road modules, where they apply, require 90 percent. Check the specific requirements for your endorsement with the National Maritime Center.
Q Are these the real questions?
Yes. They are the questions on the National Maritime Center's published 2026 sample examination for Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland (modules Q345), matched to our bank of released U.S. Coast Guard exam questions. The exam you sit draws from the same pools.
Q Can I take a timed Master Less than 100 GRT to Master or Mate Less than 200 GRT Great Lakes and Inland practice exam?
Yes. Subscribers can sit any module as an official sample exam in its published order, timed or untimed, with answers revealed at the end. Free accounts can build one 10-question practice exam and answer questions on every module page.
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