DesignerAlan Burnard Date1964 Length overall33 ft / 10.1 m Beam11 ft 5 in / 3.5 m Draft3 ft / 0.9 m Displacement6.5 tons / 5.9 tonnes Location United Kingdom

DesignerFairey Alan Burnard Date1971 Length overall31 ft 10 in / 9.7 m Beam9 ft 6 in / 2.9 m Draft3 ft / 0.9 m Displacement  Location United Kingdom


DesignerFairey Alan Burnard Date1969 Length overall31 ft 10 in / 9.7 m Beam9 ft 6 in / 2.9 m Draft3 ft / 0.9 m Displacement  Location United Kingdom

DesignerAlan Burnard Date1961 Length overall28 ft / 8.5 m Beam8 ft 9 in / 2.67 m Draft2 ft 6 / 0.76 m Displacement3.3 tons / 3,000 Kg Location United Kingdom