Continuation of Boat Terminology Part II.
- Halyard: The wire or rope used to hoist a sail.
- Harden up: To alter course towards the wind.
- Haze: A meteorological condition where the visibility is between 1000 and 2000 metres.
- Heading: The direction in which the boat is pointing.
- Headsail: A sail set forward of the mast.
- Headway: Moving through the water in the direction the bow is pointing.
- Heave-to: Is stopping the boat without lowering the sails. In a motor cruiser it means stopping the engine at sea.
- Height of tide: The vertical distance between the actual height of water and the level of Chart Datum.
- Hoist: To raise an object such as a sail using a halyard.
- IALA: International Association of Lighthouse Authorities.
- IALA A: A system of buoyage used in all areas other than the USA and Pacific Rim.
- IALA B: A system of buoyage used in the USA and Pacific Rim.
- In irons: A condition where the boat has stopped making way with sails flapping and is head to wind.
- Isobar: A line joining points of equal pressure on a meteorological chart.
- Isophase: A light characteristic consisting of equal lengths of light and darkness.
- Jib: A triangular headsail set on the forestay.
- Kedge anchor: A small anchor, often kept in a locker, for anchoring for a short time.
- Ketch: A 2 masted yacht where the aft mast is forward of the rudder post.
- Kicking strap: A device for pulling the boom down in order to flatten the mainsail.
- Leach: The after edge of a sail.
- Lee: The direction downwind.
- Leeward: The opposite side of a boat to that from which the wind is blowing.
- Leeway: The angle, caused by the wind, between heading and water track.
- LOA: Maximum length of the vessel. The Length Overall.
- Local time: The time you would see on a clock at the place specified.
- Log: An instrument for measuring distance through water.
- Luff: The front edge of a sail.
- Luff: To alter course towards the direction of the wind.
- LWL: The length of the vessel measured on the waterline.
- Making way: A boat is 'making way' when it is moving through the water.
- Mast - deck stepped: This means that the mast sits on top of the coachroof.
- Mast - keel stepped: This means that the mast passes through the coachroof and sits on the keel.
- Masthead rig: The forestay is attached to the top of the mast.
- MHWN: Mean High Water Neaps.
- MHWS: Mean High Water Springs.
- Mizzen mast: The aftermost mast in a yawl or ketch.
- MLWN: Mean Low Water Neaps.
- MLWS: Mean Low Water Springs.
Go back to Boat Terminology Part II
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