Viper SD4 
Skyper GT9 
Viper SD4 Review
Felipe Santiago A320/FO/ATP/CFI and Juan Carlos Pineda CP/CFI made an awesome review of the Viper SD4. Check it out!
Aviator Zone; Video
Tomark Viper SD 4, all metal, low wing, side by side seating, light sport aircraft
Interview of Dan Johnson with Adrian Lecky, sales agent of Viper SD4 in US
Light Sport and Ultralight Flyer; Video
VIPER SD4: JEWEL OF THE SKY
Light-sport aircrafts are very popular, due to their stable and maneuverability capabilities.
Gema Goeyardi; Read more
IL_CORAGGIO_DI_AVERE_PAURA
Story about a long distance flight across all of Italy with ViperSD4. Departed from Belluno to Palermo the pilot tells his story.
Renato Bassanello; Read more
Viper SD4 costs less than 90 000 $
The two-seater, developed in Slovakia, was previously built and flown under the auspices of Europe’s EASA type certification
Adrian Lecky; Read more
Viper AFT - the aircraft with military training ambitions
The Jenky's report of Viper Air Force Trainer in Flying revue (CZ-SK aviation magazine)
Jozef Jankovič; Read more
Slovakian LSA Design Emerges at Sun ‘n Fun
Viper SD4 CS-SLA type certification
The company applied for a CS-LSA approval of their very successful microlight/homebuilt aircraft Viper SD-4
aicraft design & certification ltd; Read more
Viper SD4: Fun Czech Cruiser Comes to Town
Viper SD4 LSA Makes U.S. Debut at Sun 'n' Fun 2017
Viper SD4 Initiates First U.S. Flights
Eagle International Aircrafts L.L.C. announced that the FAA has finally certified and approved Viper’s SD-4 for U.S. Market.
EAGLE INTERNATIONAL AIRCRAFTS LLC; Read more
LSA certificate for Viper SD4 in USA
Viper AFT (Air Force Trainer)
I am fulfilling my promise that I gave at the end of August to Gonzo and I will write a few words about a new nice lad in our sky...
Jenky; Read more
L'amusant biplace este certifié CS-LSA
(Viper SD4 - The funny two-seater aircraft is CS-LSA certified)
Quand il fait beau l'appel de l'espace est si fort que je n'ai plus qu'un but: dècoller!
J. Callise (Aviation et Pilote); Read more
Viper SD4 "Primary Air Force Trainer" at NATO Days Airshow (17 - 18 Sept)
Viper SD4 "Primary Air Force Trainer" - Special basic training for military pilots presented on static display at NATO Days in OStrava (CZE).
TomarkAero; Read more
5 aircraft Viper SD4 at ULM Blois 2016 (FRA)
Rich fleet of 5 aircraft Viper SD4 was presented at the Airshow ULM Blois 2016 (August 27 to 28).
TomarkAero; Read more
Four pieces of Viper SD4 & Skyper at SIAF 2016
At this year's Slovak international Air Fest SIAF 2016, held at the airport Sliač on August 27 - 28, four pieces of Viper SD4 (present record in SIAF for Viper SD4) and a Skyper GT9, were presented
TomarkAero; Read more
Slovak International Air Fest SIAF 2016
We invite you to Slovak International Air Fest SIAF 2016 (August 27 - 28) at the Sliač Airport. Viper SD4 and Skyper GT9 will present there on static display – „Aerosalón“. Moreover, Viper SD4 (OM-M639) show its art in flight display. Come to us, we look forward to you!
Photogallery from previous years:
TomarkAero
European Certificae for the East Slovaks
Skyper GT9 - Premum Economy
ACHTUNG+++ACHTUNG+++ACHTUNG
Tomark Aero Skyper GT9