1. FREE Captains & Mates License Exam Prep
(Deck Exams/Master 1600 Ton)

Study Online for a Coast Guard License 1600 ton Master / Mate 500 ton Master / Mate 100/200 ton Master / Mate Oceans Endorsement Marine Radio Operator Able Seaman Discuss Merchant Mariners ...

2. Planning Passages
(Mariners Education/Navigation)

... prevented the accident. The practice of voyage planning has evolved from penciling lines on nautical charts to a process of risk management. Poor passage planning and deviation from the plan can lead ...

3. Navigational History
(Mariners Education/Navigation)

... was registered for a device that would judge the ship's speed by counting the revolutions of a wheel mounted below the ship's waterline. Accurate time-keeping is necessary for the determination of longitude. ...

4. Marine Navigation
(Mariners Education/Navigation)

... or patterns. Longitude (λ) Lines of longitude appear curved in this projection, but are actually halves of great circles. Latitude (φ) Lines of latitude appear horizontal in this projection, but ...