ZK-EAW Tomark Aero SD-4 Viper Private Wanganui (WAG / NZWU), New Zealand Derek Heley - 14/02/2017
72RV Tomark Aero SD-4 Viper Private Markdorf Gliderport, Germany Stuart Miller - 08/04/2017
N181EA Tomark Aero SD-4 Viper Private Lakeland - Linder Regional (LAL / KLAL), USA - Florida Derek Heley - 08/04/2016
80AEY Tomark Aero SD-4 Viper Private Friedrichshafen (FDH / EDNY), Germany Jean Marc Braun - 22/04/2016
80AEY Tomark Aero SD-4 Viper Private Friedrichshafen (FDH / EDNY), Germany Stuart Miller - 21/04/2016
69ADC Tomark Aero SD-4 Viper Private Blois-le-Breuil (LFOQ), France brian g nichols - 06/09/2015
72RJ Tomark Aero SD-4 Viper Private Blois-le-Breuil (LFOQ), France brian g nichols - 04/09/2015
72RL Tomark Aero SD-4 Viper Private Blois-le-Breuil (LFOQ), France brian g nichols - 04/09/2015
OM-M337 Tomark Aero SD-4 Viper Private Blois-le-Breuil (LFOQ), France brian g nichols - 29/08/2014
OM-M424 Tomark Aero SD-4 Viper Tomark s.r.o. Friedrichshafen (FDH / EDNY), Germany Andy Davey - 10/04/2014
OM-TMK Tomark Aero SD-4 Viper Private Blois-le-Breuil (LFOQ), France brian g nichols - 30/08/2013
CS-USK Tomark Aero SD-4 Viper Private Duxford (QFO / EGSU), UK - England brian g nichols - 13/07/2013
CS-USK Tomark Aero SD-4 Viper Private Sywell (EGBK), UK - England Dave Hedges - 12/07/2013
OM-M055 Tomark Aero SD-4 Viper Private Friedrichshafen (FDH / EDNY), Germany Hugo Teugels - Aviation Society Antwerp - 25/04/2013
59DGM Tomark Aero SD-4 Viper Private Zoersel (EBZR), Belgium Henk Wadman - 18/08/2012
CS-USK Tomark Aero SD-4 Viper Private Blois-le-Breuil (LFOQ), France brian g nichols - 02/09/2012
D-EMAS Tomark Aero SD-4 Viper Private Bonn-Hangelar (BNJ / EDKB), Germany Alexander Butler-Bates - 24/08/2012
59DGM Tomark Aero SD-4 Viper Private Blois-le-Breuil (LFOQ), France brian g nichols - 31/08/2012
OM-M637 Tomark Aero SD-4 Viper Private Friedrichshafen (FDH / EDNY), Germany Hugo Teugels - Aviation Society Antwerp - 18/04/2012
OM-M537 Tomark Aero SD-4 Viper Private Friedrichshafen (FDH / EDNY), Germany Hugo Teugels - Aviation Society Antwerp - 18/04/2012
D-MVSD Tomark Aero SD-4 Viper Private Tannheim (EDMT), Germany Hugo Teugels - Aviation Society Antwerp - 25/08/2011
N613TK Tomark Aero SD-4 Viper Private Oshkosh - Wittman Regional (OSH / KOSH), USA - Wisconsin Brian Richards - 25/07/2011
60QZ Tomark Aero SD-4 Viper Private Le Plessis - Belleville (LFPP), France Don Hewins - 05/05/2011
OM-M025 Tomark Aero SD-4 Viper Private Tannheim (EDMT), Germany Hugo Teugels - Aviation Society Antwerp - 27/08/2010
OM-M901 Tomark Aero SD-4 Viper Private Vrsar (LDPV), Croatia Steve Fowell - 14/09/2010
OM-M545 Tomark Aero SD-4 Viper Private Friedrichshafen (FDH / EDNY), Germany Derek Heley - 04/04/2009
OM-DAN Tomark Aero SD-4 Viper Private Friedrichshafen (FDH / EDNY), Germany Peter Fitzmaurice - 03/04/2009
OM-M545 Tomark Aero SD-4 Viper Private Friedrichshafen (FDH / EDNY), Germany Peter Fitzmaurice - 03/04/2009
