Correct. On the 10th May 1959 Nick Goodhart got airborne from Lasham in A Slingsby Skylark 3 with a declared target of Portmoak on the banks Of Loch Leven. A Distance of 579.36km which was covered at a speed of 90.7kmh. The speed still stands as a UK Open 500km goal record and the distance as a 20m class record.