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Tomark Aero (Viper SD4)

ManufacturerUnclaimed

Slovak manufacturer of the Viper SD4 certified composite LSA, combining Czech workmanship with European certification.

Prievidza, Slovakia 🇸🇰11-50 employeestomarkaero.com

What to check

  • Exists and is operating nowRegistration and company ID are valid, status is active, it files its reports, accounts are not frozen, the site answers, and its age matches what it claims. · Website live (Jun 2026)proof

Independent signals from open data. Open items are not confirmed, ask on contact.

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Risky, gone for good

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About

Tomark Aero, based in Prievidza, Slovakia, manufactures the Viper SD-4 and Viper SD-4 RTC light sport aircraft. The Viper SD-4 is a composite, low-wing, side-by-side two-seat aircraft certified to EASA CS-22 and ASTM S-LSA standards. The aircraft is known for its aerobatic capability (up to +6/-4g in the RTC version). Exported to the UK, Germany, Australia, and Czech Republic through an authorized dealer network.

Primary markets
🇸🇰 Slovakia 🇨🇿 Czechia 🇩🇪 Germany 🇬🇧 United Kingdom 🇦🇺 Australia

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