Dart 18
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The Dart 18 is a one-design 18-foot long glassfibre sailing catamaran. It is designed to be sailed by two people and can achieve speeds of up to 20 knots.
This is reflected in its Portsmouth Yardstick of 805 and D-PN of 76.3 Wikipedia
Beam: 2280 mm
Crew: 2
D-PN: 76.3
Hull weight: 130 kg
Jib/genoa area: 3.16 m2
Mast length: 8 m
Spinnaker area: 15.5 m2, not legal for racing