The Lechner A-390 was an Olympic Class windsurf board for the 1992 Olympics.http://www.sailing.org/olympics/history-part-5.php Olympic sailing report ISAF It was only raced at the Games that year.
Description Lechner modified their Division II board to bring the centreboard and mast track further aft. The rig supplier, Neil Pryde, was decided 3 years before the Olympics. 1992 BarcelonaWomen's New Zealand (NZL)Barbara Kendall China (CHN)Zhang Xiaodong Netherlands (NED)Dorien de Vries
1992 BarcelonaMen's France (FRA)Franck David United States (USA)Mike Gebhardt Australia (AUS)Lars Kleppich The supplied equipment stayed with the sailor for the entire regatta as it was expected that each board needed special tuning to the daggerboard system.
References
See also Lechner A-390 World Championships Sailing at the 1992 Summer Olympics – Lechner A-390 Men's Sailing at the 1992 Summer Olympics – Lechner A-390 Women's