Continuation of Boat Terminology Part I.
- Deck log: A book in which all navigational data and events are recorded.
- Deviation: Is the error between the reading on a compass and the correct magnetic bearing.
- Displacement: The weight of the vessel, which is equal to the weight of the water displaced.
- Distance made good: The distance covered over the seabed.
- Drag: The condition when the anchor is not holding and is sliding over the seabed:
- Drift: The distance a boat is carried by the tidal stream in a certain time.
- Ease-out: To let out a rope or sheet by a small amount.
- Ebb: The tidal stream that occurs when the tidal height of water is falling.
- EBL: The Electronic Bearing Line on a radar display. Measured in degrees, from your position to the other object.
- Echo sounder: An instrument that measures the depth of water by using sound waves.
- EPIRB: Emergency Position Indicating Radio Beacon.
- Fairlead: A fitting on the edge of the deck to reduce chafe when mooring lines are led over the deck edge.
- Fairway: A passage of deeper water permitting entry to a port or river.
- Fix: The position of a boat obtained from a compass reading or electronic means.
- Flood: The tidal stream that occurs when the tidal height of water is rising.
- Fog: A visibility of less than a 1000 metres.
- Foot: The lower edge of a sail.
- Foresail: A sail set on the forestay or inner forestay.
- Fractional rig: A yacht in which the forestay is attached to the mast between the spreaders and the top of the mast.
- Frap: To secure the halyards away from the mast in order to prevent them rattling against the mast in a wind.
- Freeboard: The distance between water level and deck level.
- Furl: To roll a sail, it normally applies to a headsail.
- Genoa: A large headsail that overlaps the mainsail.
- Geographical range: This is the theoretical distance of a light at which an observer at a height of 15 feet could see the light, provided that the nominal range is sufficient.
- Go about: To tack, which means moving the bow through the wind and setting the sail on the other side.
- Goose wing: To set the mainsail and headsail on opposite sides of the boat when running downwind.
- Gooseneck: A fitting that secures the boom to the mast.
- Great circle: It's a line on the surface of the earth with the same circumference as the Equator. This is the shortest route between 2 points on the Earths surface.
- Ground: To touch the seabed, to run aground.
- Gunwale: The bulwark along the upper side of the boat.
- Gybe: To turn the boat so that the stern passes through the wind permitting the sails to be set on the other side.
Go back to Boat Terminology Part I
Go further to Boat Terminology Part III
Return from Boat Terminology to Boating Skills and Seamanship
Return to YachtUnlimited.com's Home Page
Like this Page?