Tomark Viper SD-4 - program supplier guide | Airframer

Tomark Viper SD-4

In production

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Two seater, ultralight, kitbuilt aircraft, offered in UL/LSA, AFT (military trainer), RTC, Night, and Attack configurations.

Lift type

Fixed wing

Assembly

Kit-built

Control

Piloted

Engine type

Piston

Application

Sport, Trainer, Ultralight

Design & construction

The aircraft as engineered: what it is built from, the systems it flies with, and its configuration — each box a theme.

Airframe & structure

Primary structure

Composite

Wing

Composite

Landing gear

Fixed tricycle

Ice protection

None

Pressurisation

Unpressurised

Systems & avionics

Flight controls

Mechanical

Autopilot

2-axis

Avionics architecture

Standalone glass

Configuration & certification

Wing position

Low

Planform

Straight

Tail

Conventional

continued

Certification

Part 23

Minimum crew

Notable technologies — each tag names a technology on our research record for this aircraft, with its fitting status: Primary, Standard, Option or Planned.

Composite wing (primary structure) Primary Composite fuselage (primary structure) Primary

Technical reference compiled with AI research; a value appears only where two independent research passes and a web fact-check agree. Gaps are deliberate.

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Type variants

Variant	Launch / first flight	Production end	Notes
Tomark Viper SD-4	2008 / 2007		Two-seat side by side ultralight aircraft optimised for touring, training and glider towing operations.

Airframer

Tomark s r.o.

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Information on this page is compiled from a variety of published sources; links do not necessarily imply recommendation or confirmation by the airframe manufacturer.