Free, practical explanations for deck officers and Chief Mate exam students. Click or tap a topic to read the full answer.
Available topics
- How to Calculate Mean of Means in a ShipMean draft, the mean-of-means formula and a worked example.
- Chief Mate FG Phase 1 and Phase 2 SyllabusThe subjects in each phase and how to plan your preparation.
- Free Surface Effect on ShipsWhy slack tanks reduce GM, the correction formula and a worked example.
- GZ and KN Curve CalculationsCalculate GZ from KN, interpolate table values and plot a stability curve.
- Grain Stability CalculationHeeling moments, corrected GM, angle of heel and residual area, with a worked example.
- COLREG Rules 1–19 for Oral ExamsShort rule-by-rule answers, key oral-exam distinctions and eight practice situations.
- Chief Mate Stability FormulasKG, GM, loading, shifting weights, free surface, GZ, list and trim, with short worked examples.
More deck and Chief Mate topics will be added here.
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Practise 9 complete Hindship problems with written solutions, video explanations and 180 days of access.