09/30/2007. Remarks by Johan Visschedijk: "The first light jet-powered racing aircraft built in the UK, it was based on the airframe of the prototype Sparrowhawk. E.G. Miles won the speed prize in the 1935 King's Cup Air Race with that aircraft registered also as G-ADNL.

It was extensively rebuilt, replacing the nose-mounted Gipsy Major engine by two 330 lb (150 kg) st wing root mounted Turboméca Palas turbojet engines. In this form it was flown for the first time on December 14, 1953."