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 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 retained both the former Mainair factory at Rochdale and the Pegasus plant at Manton near Marlborough, Wiltshire, the former carrying out production and the latter research and development. The Rochdale factory was closed in March 2016. P&M also imports and sells the John Pendry-Evans designed Ace Magic from India. Solar Wings was the hang glider division of Pegasus