Tomark Viper SD4 Aircraft
11 used Tomark Viper SD4 aircraft for sale · $128K – $179K · updated 6 hours ago
About the Tomark Viper SD4
The Tomark SD-4 Viper is a modern, all-metal low-wing two-seat LSA/ultralight with clean aerodynamics, a comfortable side-by-side cockpit and efficient Rotax cruise. A capable, good-value light aircraft, it suits both training and cross-country flying for owners who prefer a metal airframe in the class.
Tomark Viper SD4 Specifications
Model specThe Tomark Viper SD4 is a light sport with a cruise speed of 110 kt (204 km/h), a range of 400 nm (741 km).
11 Tomark Viper SD4 For Sale
Browse all 11 listings →There are currently 11 used Tomark Viper SD4 for sale, ranging from $128,546 to $179,000, with a median asking price of $173,026.
Compare Tomark Viper SD4
See how the Tomark Viper SD4 stacks up against similar aircraft in specs, price, and operating costs.
Tomark Viper SD4 Price & Cost
How much does a Tomark Viper SD4 cost? Used Viper SD4 prices: $128K – $179K, average $165K (median $173K), across 5 priced of 11 active listings.
Based on 4 priced listings.
Key price factors: engine time to overhaul, year and airframe hours, avionics, damage history and logbook completeness — see the buying guide below for the full pre-purchase checklist.
Buying a Used Tomark Viper SD4
When buying a Tomark Viper SD4, the biggest value drivers are engine time since overhaul, maintenance-record completeness, damage history and avionics.
What to check before buying
- Engine time to overhaul — hours and years remaining drive price more than total airframe time.
- Logbook completeness — continuous, gap-free maintenance records protect value.
- Damage history — any prior accident or incident; cross-check the registration against accident databases.
- Avionics — a modern glass panel vs legacy steam gauges materially changes price.
- Pre-buy inspection — always commission an independent inspection by a type-experienced mechanic before money changes hands.
Frequently Asked Questions — Tomark Viper SD4
Cost?
Metal or composite?
What's it best for?
Tomark Viper SD4 Inventory by Country
| United States | 7 |
| Ireland | 1 |
| Poland | 1 |
| Sweden | 1 |
Tomark Viper SD4 by Price
| Under $200k | 5 |
| Under $300k | 5 |
| Under $500k | 5 |
Tomark Viper SD4 Safety Record
Across all Viper SD4 variants, 1 NTSB-recorded events are on file from 2025–2025. As with any aircraft, most outcomes depend on pilot training, maintenance and operating conditions rather than the airframe itself.
Most Recent Events
| Date | Location | Severity | Probable Cause |
|---|---|---|---|
| Mar 15, 2025 | Newcastle, | Incident | — |
NTSB records 2025–2025. Includes all Tomark Viper SD4 variants. Events ≠ aircraft fault.