In
sailing
Sailing employs the wind—acting on sails, wingsails or kites—to propel a craft on the surface of the ''water'' (sailing ship, sailboat, raft, windsurfer, or kitesurfer), on ''ice'' (iceboat) or on ''land'' (land yacht) over a chosen cour ...
, an extra is a sail that is not part of the working
sail plan.
The most common extra is the
spinnaker
A spinnaker is a sail designed specifically for sailing off the wind on courses between a reach (wind at 90° to the course) to downwind (course in the same direction as the wind). Spinnakers are constructed of lightweight fabric, usually n ...
. Other extras include
studding sails, the modern
spanker (or tallboy), and some
staysails and
topsail
A topsail ("tops'l") is a sail set above another sail; on square-rigged vessels further sails may be set above topsails.
Square rig
On a square rigged vessel, a topsail is a typically trapezoidal shaped sail rigged above the course sail and ...
s.
In
yacht racing
Yacht racing is a Sailing (sport), sailing sport involving sailing yachts and larger sailboats, as distinguished from dinghy racing, which involves open boats. It is composed of multiple yachts, in direct competition, racing around a course marke ...
, there are often separate divisions depending on whether extras are permitted. A race or division in which extras are not permitted is commonly called a ''non-spinnaker'' or ''no flying sails'' race or division.
Sailing ship components
Sailing rigs and rigging
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