Four winns Vista (1994-2000 models) Owner's Manual page 113

WAKE - Moving waves, track or path that a boat leaves
behind it when moving across the water.
WATER LINE - The line of the water on the hull when the
vessel is afloat.
WATCH - A 4 hour duty period while at sea.
WAVES - Waves are periodic disturbances of the sea's
surface, caused by wind, seaquakes, and the gravitational
pull of the moon and the sun.
WAVE GRADIENT - A wave's slope or angle from trough
to crest with respect to the horizon.
WAVE HEIGHT - From the bottom of a wave's trough to
the top of the crest.
WEATHER DECK - A deck with no overhead protection.
WET EXHAUST - This term refers to an exhaust system
where the cooling seawater is mixed with the exhaust
gases just after the riser. This mixture is then ejected
through the drive or ports located in the transom or hull
sides.
WHARF - A man-made structure bounding the edge of a
dock and built along the shoreline.
WHIPPING - The act of wrapping the end of a piece of
rope with small line, tape or plastic to prevent it from fray-
ing.
WINDLASS - A device used to raise and lower the an-
chor.
WINDWARD - Toward the direction from which the wind
is coming.
YAW - 1. To swing off course, as when due to the impact
of a following or quartering sea. 2. Any motion about a
vertical axis.
Vista Owners Manual
10/93
Section Q
Page 11