Chief Mate Exam Preparation
Unlimited · Oceans and Near Coastal upgrade preparation
Prepare for the step from watchkeeping officer to Chief Mate. Connect advanced navigation with cargo, stability and Deck safety study, and practise the calculations and operational judgement behind safe decisions.
Try a free officer study preview without an account: up to 15 questions per session, within 60 active study minutes per day.
Choose your study pathway
Oceans · Near Coastal
Your National Maritime Center evaluation and Approved to Test letter determine your actual examination. Your selected study pathway does not replace those requirements.
Advanced navigation and position determination · Chart plotting and navigation problems · Cargo and stability study · Deck safety and management-level preparation
Keep your learning history
Create a free account to save eligible signed-in results and see your improvement over time. Full officer pools and the complete Academy library require paid or sponsored Academy Pro access.
From rating study to officer preparation
Already studying as a Able Seafarer? Explore officer-level practice separately from your rating studies. Selecting a study pathway does not establish eligibility for an officer credential.
Prepare navigation and stability decisions for the next responsibility
The National Maritime Center Master and Chief Mate navigation outline separates Near Coastal and Oceans subjects and includes chart plotting, compass work, tides and currents, and navigation problems. Oceans study adds celestial observations and ocean sailing calculations.
Match the examination to your route and evaluation. This public overview is a study guide, not a complete personal module list; the test builder and your Approved to Test letter identify the applicable examination.
- Choose Chief Mate and the correct route
Select Oceans or Near Coastal in the builder. Review the required modules instead of treating an optional higher-level subject as a requirement.
- Work navigation and stability examples step by step
Use the published damage-stability example, the low-altitude sun-sight sample and the tidal-currents lesson. Identify the stated conditions, required chart or table, and units before calculating.
- Separate learning from examination rehearsal
Review answer reasoning in Study mode where a published Why is available. Then practise the selected examination in Real Test mode without hints.
Official National Maritime Center examination subjects
Is this an official United States Coast Guard service?
No. Mariner Notebook is an independent examination-preparation and professional-record platform. Official examination and eligibility requirements remain with the United States Coast Guard and National Maritime Center.
What is free, and what requires Academy Pro?
Guest officer study is limited to 15 questions per session and 60 active minutes per day. Selected public lessons and teaching examples remain free. Full officer pools and the complete Academy lesson and flashcard library require paid or sponsored Academy Pro access. Artificial Intelligence credits are separate.
How are Current and archived questions different?
Current practice follows the selected official subjects. Legacy and Historical questions are separately identified additional practice; they are not silently substituted for Current official modules.