Flight testing of the Loudon was successful and an experimental type certificate was issued by the Canadian Department of Transport in November 1952, receiving the registration CF-ZBN-X.
Loudon Wainwright III | Dorothy Loudon | John Claudius Loudon | Shenstone, Staffordshire | Loudon | John Loudon McAdam | Shenstone | Loudon's Highlanders | Loudon, New Hampshire | Czerwiński Sparrow | Trevor Loudon | Loudon Park Cemetery | Lord Loudon's regiment | I'm Alright (Loudon Wainwright III album) | 1839 map of what is now Loudon County, showing the location of Blair's Ferry |
Returned to flight in 1962 with a more rounded canopy closer to the original design, it was the highest ranked two seater at The Northern Glider Competition held at Doncaster in July 1965.
Czerwinski studied at Wieniawski School of music (Poznań, Poland), Eastman School of Music (University of Rochester, New York, U.S.) and Birmingham Conservatoire (University of Central England, Birmingham, UK).
Czerwiński Sparrow – modified Salamandra designed and built in Canada by Wacław Czerwiński as a refugee.
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After migrating to Canada as a refugee Czerwiński designed a modified Salamandra as the Czerwiński Sparrow, as well as an improved Sparrow designated Czerwiński Robin.
Salamandra and W.W.S.2 Żaba, Wacław Czerwiński designed an all wood glider with smooth lines derived from wind tunnel tests at the Lwów Technical University.