1. Planning Passages
(Mariners Education/Navigation)

... the voyage has begun the progress of the vessel along its planned route must be monitored. This requires that the ship's position be determined, using standard methods including dead reckoning, celestial ...

2. Navigational History
(Mariners Education/Navigation)

... accuracy could give a line of position within a nautical mile of the navigator's actual position. In 1635, Henry Gellibrand published an account of yearly change in magnetic variation. In 1637, using ...

3. Marine Navigation
(Mariners Education/Navigation)

... to perform navigation tasks. The word navigate is derived from the latin "navigare" meaning "to sail". All navigational techniques involve locating the navigator's position compared to known locations ...

4. Name
(Contact / Contacts)

Name, Position, Miscellanous info ...