PracNav: Mariner Exam Prep

Every official USCG deck and engine question, 20,000+ of them, organized exactly like your exam. Study offline anywhere. One purchase, no subscription, no ads.

Pass your USCG license exam with the real questions, not lookalikes. PracNav puts the official Coast Guard question banks in your pocket: over 10,000 questions and every official illustration, organized exactly like the modules on your actual exam sheet.

Pick your endorsement and PracNav builds your exam: the right modules, the right question pools, and the official passing score for each one. From Able Seaman to Unlimited Master, from QMED to Chief Engineer, your study plan matches what the Coast Guard will put in front of you.

STUDY THE WAY THE EXAM WORKS • Practice mode with a smart mix: new questions, ones you missed, and ones due for review • Exam simulation: a timed random draw at your module's real question count and passing score • Quick drills sized to your daily goal • Review every missed question with the correct answer side by side

BUILT FOR NAVIGATION EXAMS • Rules of the Road browser: study by Part and Section, Inland or International, with mastery tracked per rule area • Chart plot practice sets that play in sequence, fix by fix, like the real plotting exam • Every official illustration, diagram, and chart excerpt included

TRACK YOUR READINESS • Mastery percentage for every module against its official passing score • Study streak and question bank coverage at a glance • Set your exam date and watch the countdown

YOURS, ANYWHERE • Works completely offline. Study at sea for months with no signal. • No account. No sign-in. Your progress stays on your device. • No subscription, no ads. One purchase, yours forever.

Covers Master, Mate, OUPV, Able Seaman, QMED, DDE, Chief and Assistant Engineer, MODU, towing endorsements, and more.