HB-NBB Slingsby T.67A Firefly Fliegerschule Birrfeld AG Birrfeld (LSZF), Switzerland George Trussell - 16/04/2012
HB-NBB Slingsby T.67M Firefly Fliegerschule Birrfeld AG Sion (SIR / LSGS), Switzerland Russ Smith - 24/09/2008
HB-NBB Slingsby T.67A Firefly Private Birrfeld (LSZF), Switzerland Bill Teasdale - 08/04/2009
HB-NBB Slingsby T.67A Firefly Private St. Moritz - Samedan (SMV / LSZS), Switzerland Luc Geys - 11/07/2008
HB-NBB Slingsby T.67M Firefly Private Birrfeld (LSZF), Switzerland Ray Barber - 22/07/2004
