USCG Exam Prep
USCG Captain's Exam Pass Rate
The National Maritime Center does not publish official pass-rate statistics, but the failure pattern is well-documented: most candidates who fail do so on Rules of the Road. Here's what the data shows — and how to not be in that group.
The 90% threshold is the pass-rate story
Every USCG exam module except one has a 70% passing threshold. Rules of the Road requires 90%. That's one wrong answer per ten questions — across a module that covers COLREGS Parts A–E, lights and shapes, sound signals, and conduct in restricted visibility. Candidates who study broadly and evenly often fail specifically here.
What the NMC actually publishes
The National Maritime Center publishes its examination fee schedules, application requirements, and Question Bank information — but not pass-rate breakdowns by license grade or module. If you see a specific “pass rate percentage” cited on a test-prep site, it is almost certainly from a single school's internal data, not an official NMC figure.
What is official: the two-attempt rule. Each application gives you two exam attempts. Failing both requires a 30-day wait and a new application fee. Passing on the first attempt saves time, money, and the stress of re-applying.
The three failure patterns
It's the heaviest module and the strictest threshold. Most failed exams fail here. Budget 40–50% of your study time on Rules of the Road alone, and don't move on until you're consistently above 92% in practice.
The NMC draws from a specific question bank — the same one Binnacle School uses. Candidates who memorize summaries or flash cards built from textbooks often see unfamiliar phrasing on exam day. Drilling the actual question pool is not optional.
The exam has independent modules. A 95% on Navigation General does not offset a 68% on Deck General — you fail the exam. Every module must independently hit its threshold.
Passing thresholds by module
| Module | Passing score |
|---|---|
| Rules of the Road (Navigation Rules) | 90% |
| Navigation General | 70% |
| Deck General | 70% |
| Chart Plotting | 70% |
| Meteorology | 70% |
| Safety | 70% |
| Celestial Navigation (100/200-ton) | 70% |
| Radar Observer (100/200-ton) | 70% |
| Engineering (MMC) | 70% |
Common questions
What is the USCG captain's exam pass rate?
The National Maritime Center (NMC) does not publish granular first-attempt pass rates. Industry experience and test-prep data consistently show that a meaningful portion of candidates fail on their first attempt — most commonly on the Rules of the Road module, which requires a 90% passing score. Thorough preparation using the official NMC question bank is the single strongest predictor of passing.
Why do people fail the USCG captain's exam?
The most common causes are: (1) underestimating Rules of the Road — 90% is a strict threshold, and most failed exams fail here; (2) studying only from summary sheets rather than drilling the actual question bank; (3) treating the exam as one test instead of multiple independently-graded modules — a 69% on any module fails the exam even if other scores are high.
How many attempts do I get on the USCG exam?
The NMC allows two attempts per application cycle. If you fail both, you must wait 30 days and reapply, paying the examination fee again. Each retake costs time and money — which is why high-volume practice before the first attempt is the most cost-effective strategy.
What is the passing score for the USCG exam?
Rules of the Road (Navigation Rules) requires 90% — the highest threshold on the exam. All other modules (Navigation General, Deck General, Safety, Meteorology, Chart Plotting, etc.) require 70%. Every module is graded independently, so you must pass each one separately.
Which module do most people fail?
Rules of the Road. It combines the highest passing threshold (90%) with the broadest subject matter — COLREGS Parts A through E covering right-of-way, lights and shapes, sound signals, and conduct in restricted visibility. Candidates who underinvest here fail the exam even with strong scores everywhere else.
How much should I study before the USCG exam?
Most candidates who pass on their first attempt study 4–8 weeks at 30–45 minutes per day. The biggest predictor is not total hours but whether you drilled the actual NMC question bank — not just summaries or flashcard apps that don't match the real question style.
Practice with the actual NMC question bank
2,300+ questions, every one explained. Start with Rules of the Road — free, no account needed.