Coniston Water per hour () in "Blue Bird K4". Between 1956 and 1959 Sir Malcolm's son Donald Campbell set four successive records on the lake in "Bluebird K7", a hydroplane. In 1966 Donald Campbell decided that he needed to exceed 300 miles per hour (483 km/h) in order to retain the record. On 4 January 1967, he achieved a top speed of over 320 miles per hour () in "Bluebird K7" on the return leg of a record-breaking attempt. He then lost control of "Bluebird", which somersaulted and crashed, sinking rapidly. Campbell was killed instantly on impact when decapitated by the K7's
P&M Aviation Aviation prior to its merger with Mainair. After the merger, Solar Wings gliders were produced in the new combined production facility for a short time. The division produced a wide range of hang gliders from 1980 until it was wound up some time after 2002. Gliders produced include the Solar Wings Breeze and the Solar Wings Scandal series. P&M Aviation P&M Aviation is a British aircraft manufacturer, specializing in ultralight trikes. The company was formed in 2003 by Keith Duckworth's purchase of two rival British trike manufacturers, Pegasus Aviation and Mainair Sports, hence the name of the new company. P&M