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A layout boat is a low-profile un-motorized oval-like boat that is used by diver duck hunters to hide in when hunting in open water. They are unique to a specialized form of waterfowl hunting called Layout hunting. Most layout boats are used for diver duck or ocean duck hunting where open deep water waterfowl species frequent.
Punting on the River Cam in Cambridge, England. A punt is a flat-bottomed boat with a square-cut bow, designed for use in small rivers and shallow water. Punting is boating in a punt; the punter propels the punt by pushing against the river bed with a pole.
The turning rotation of a vessel about its vertical/Z axis. An offset or deviation from normal on this axis is referred to as deviation or set. This is referred to as the heading of the boat relative to a magnetic compass (or true heading if referenced to the true north pole); it also affects the bearing.
Since a historical pre-SI unit of water depth was the fathom, an instrument used for determining water depth is sometimes called a fathometer. Most charted ocean depths are based on an average or standard sound speed. Where greater accuracy is required, average and even seasonal standards may be applied to ocean regions.
1-a, 1-b: Shallow water 2-a, 2-b: Side wall 3. Inclined seafloor 4. Ship approach. The bank effect (channel effect, bank suction, bank cushion, stern suction, ship-bank interaction) is the tendency of the stern of a ship to swing toward the near bank when operating in a river or constricted waterway. [1]
A fishing vessel is a boat or ship used to catch fish and other valuable nektonic aquatic animals (e.g. shrimps/prawns, krills, coleoids, etc.) in the sea, lake or river. Humans have used different kinds of surface vessels in commercial, artisanal and recreational fishing.
Installed on a 42 ft (13 m) work boat, the autonomy system navigated the complicated inshore environment of the Gulf Intracoastal Waterway using only a pre-loaded navigational chart and inputs from commercial-off-the-shelf (COTS) radars. The surrogate vessel traveled 35 nmi (40 mi; 65 km) while avoiding all obstacles, buoys, land, shoal water ...
Two leisure fishing boats beached at Nørre Vorupør. Beaching (or landing) is the process in which a ship or boat is laid ashore, or grounded deliberately in shallow water. This is more usual with small flat-bottomed boats. Larger ships may be beached deliberately; for instance, in an emergency, a damaged ship might be beached to prevent it ...