TRUE WIND: The actual direction from which the wind is blowing.
TURNBUCKLE: A threaded, adjustable rigging fitting, used for stays, lifelines and sometimes other rigging.
U
UNDERWAY: Vessel in motion, i.e., when not moored, at anchor, or aground.
underway
A boat in motion.
utility boat
A type of small, open powerboat, constructed of either fiberglass or aluminum, with minimal features. These include jon boats, skiffs and work boats.
Underway:
A pleasure craft that is not at anchor or made fast to the shore.
Beam:
The width of a pleasure craft.
Underway
A vessel in motion is underway.
Unfurl
To unfold or unroll a sail. The opposite of furl.
Underway
The light fluky conditions of the Chesapeake Bay plagued us once again, though we were able to get the boat moving 2 to 3 knots in not much more wind.
Underway - Vessel in motion, not moored or aground
V
Vessel - every manner of watercraft or other artificial contrivance designed for and capable of self propulsion and as a means of transportation.
underway
Vessel in motion. That is, when not moored, at anchor, or aground.
UHF ...
Underway
Vessel in motion, i.e., when not moored, at anchor, or aground.
V-Bottom ...
underway - A vessel in motion, not aground, not at anchor. Moving through the water under the influence of the wind, steam, or oars. Sometimes wrongly written under-weigh.
underway: moving under power of sail or motor. unlay: to open up or separate the strands of a line. upwind: toward the wind.
Underway
Not at anchor, aground or attached to the dock or shore.
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V ...
The Pre-underway check list
In the CG Auxiliary, we perform a pre underway checklist every time we get ready to leave the dock on patrol. Should you do the same on a charter? ABSOLUTELY.
Getting Underway and Finding the Wind.
The prerequisite to this month's lesson is that you have already practiced, practiced and practiced rigging your boat and you know all the parts and equipment by heart.
Underway - Vessel in motion, not moored or aground
V
Vang - A device, usually with mechanical advantage, used to pull the boom down, flattening the sail.
Ventilator - Construction designed to lead air below decks.
Underway - A boat moving through the water
Variation - The difference between magnetic North and true North
Veer - A change of direction ...
"Underway" should be distinguished from the phrases "making way through the water" (used in Rules 26, 27, and 35) and "making no way through the water" (used in Rule 35).
Not Underway - "Other" - Includes all activities other than those listed while not underway. Also includes "unknown" while not underway.
When underway or at anchor;
In all weathers from sunset to sunrise; and
During times of restricted visibility.
sailing well underway such that spray is thrown out at the stem of the boat
boom
A pole securing the bottom of a sail, allowing more control of the position of a sail.
(i) The word "underway" means that a vessel is not at anchor, or made fast to the shore, or aground.
(j) The words "length"' and "breadth" of a vessel mean her length overall and greatest breadth.
Drifting - Underway, but proceeding over the bottom without use of engines, oars or sails; being carried along only by the tide, current, or wind.
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Sailing Vessel Underway (Rule 25)
Vessel less than 7 meters (23 feet)
Exhibit same lights as larger
sailing vessels if practical.
If not practical, exhibit an electric torch or lantern showing a white light in time to prevent collision.
U - uniform
UNDERWAY - Vessel in motion, i.e., when not moored, at anchor, or aground.
V - victor
V BERTH - The bunks forming a V at the front of a boat
V BOTTOM - A hull with the bottom section in the shape of a "V".
Labor, to - Description of a vessel when she rolls or pitches excessively while underway in heavy seas.
Lacing - A length of line or thin rope; A line used to attach a sail to a spar.
bone in her teeth -- sailing well underway such that spray is thrown out at the stem of the boat
boot stripe -- a different color strip of paint at the waterline
bow -- forward end of a boat
bright work -- varnished woodwork or polished metal ...
Running Lights - lights to be displayed by a boat underway
at night or in restricted visibility.
Scope - ratio of anchor rode length to vertical distance from the
anchor lead (chock or roller) to the bottom.
arranged by a yacht club or other sailing organization rhumb line A course that crosses all meridians at the same angle ribs See frame ride To lie at anchor ride out To weather out a storm safely whether at anchor or underway rig ...
list - A leaning to one side when not underway. Usually the result of an improperly loaded boat. Heeling is different from a list because it is caused by the forces of wind acting upon a sailboat that is underway.
Once underway, set the engine to the center and steer with the helm. Beware that if you leave the engine idling, and in gear, it tends to shake and shudder and turn to one side, which can cause trouble if you don't notice.
sailing Sailing vessel underway. Sailboats have the right of way over powerboats. people Power-driven vessel underway. Powerboats are near the bottom, but have right of way over: say. Seaplanes. Seaplanes must avoid everybody else.
You may arrive in the BVI late in the afternoon or evening, when it is no longer possible to get underway for your charter holiday. Most bareboat companies offer what is called a "sleep aboard" the night before your bare boat sailing vacation begins.
For ships, a kedge may be dropped while a ship is underway, or carried out in a suitable direction by a tender or ship's boat to enable the ship to be winched off if aground or swung into a particular heading, ...
Boats underway should have a red light visible from its port bow, a green light on the starboard bow and a white light at its stern. Other lights are required for vessels under power, fishing, towing, etc.
Make Sail: To raise the sail and get underway; a broader term than hoist sail.
Painter: A line in the bows of a boat, used to make fast to a dock or other object, and for light towing.
Apparent wind The wind felt aboard the boat underway.
Athwart From side to side.
Avast To stop, to hold fast, e.g. avast heaving.
PILOT HOUSE: The enclosed area on the deck or bridge from which the vessel is controlled when underway.
PORT: The left-hand side of a vessel.
PORTHOLE: A small, usually circular opening in the side or cabin of the vessel.
Maintain your watch. Whenever your boat is underway, the radio must be turned on and be tuned to Channel 16 except when being used for messages.
Bald:Headed:
Sailing term used to indicate a sailing vessel underway with no headsails set.
Bale:
A metal ring on a boom, pole or mast where blocks or shackles may be attached.
After filling, secure tank to the boat so it will not slide around while underway.
Fuel Conservation Tips
Keep engine well tuned. ...
breakaway lanyard
Emergency safety cable on a boat trailer that activates trailer brakes in the event the trailer comes detached from the tow vehicle while underway.
bridge clearance
Distance from waterline to a boat's highest point.
Rudder - A vertical plate or board for steering a boat.
Run - To allow a line to feed freely.
Running Lights - Lights required to be shown on boats underway between sundown and sunup.
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Angle of Heel: The degree of list a vessel has when underway.
Apparent wind: The difference between natural and movement generated wind.
Aspect Ratio: The relationship between the sails height (luff ) and length along the foot.
At night all watercraft that are underway must display the minimum three lights; white to aft, red to port and green to starboard.
Very often the captain will choose to include an optional snubber line so the towed vessel can be quickly disconnected from the tow leg and put underway even with the snubber line still attached to the bow. Comment: reducing the W.L.
 See also: Boat, Sailing, Light, Bow, Anchor
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