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2025 TOMARK AERO VIPER SD4
Starts from the median asking price of 1014 comparable Single-Engine Piston listings ($669,900), then adjusts for:
- Year +4 vs comparable listings +6.0%
- Engine time -465 hr vs comps +3.7%
- Garmin GTN 650 (4% of comps) +10.7%
- No Autopilot (64% of comps have one) -1.2%
- ADS-B (68% of comps) +0.8%
- Market supply: 2 for sale of 20 FAA-registered -3.4%
Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.
Overview
| Make / Model | TOMARK AERO VIPER SD4 |
|---|---|
| Type | Single-Engine Piston |
| Airframe time | — |
| Engine time | 4 SNEW |
| Avionics / GPS | Garmin GTN 650 |
| Avionics / Audio panel | GARMIN GMA 245 |
| Avionics / GPS / nav | GTN650xi |
Description
New Generation of the Viper SD4 – Eagle Platinum Edition. Many improvements for aerodynamics, special newly developed propeller bringing better/faster performance. Luxury newly designed leather interior combined with the carbon-fiber dashboard. Advanced avionics for Night flights and IFR training in VFR conditions. GRS – Galaxy Recovery System The Viper SD4 is an all-metal two-seater LSA airplane with an elegant design that is admired by aviation lovers. The outstanding flight characteristics, extra safety (airplane parachute GRS included), low fuel consumption, highest-quality equipment, and low maintenance cost make it the best choice for pilot training, sports, traveling, and recreational flying.
Modifications
Extra Backup battery Backup, Electrically Independent Garmin G5 Electronic Flight Instrument with Garmin microprocessor-based magnetometer New designed, special 3-way (knobs) lighting for Night Flight (Dashboard light, Light for reading maps, Adjustments/Dimming for display’s brightness) Wifi Adapter Position, Strobe lights Tail beacon New developed extra strong Landing Light Beringer Brakes Electric Trim Electric Flaps
Avionics
2 x Touch Screen Dynon SkyView Display HDX SV-HDX1100 GPS module Dynon GPS2020 ADSB IN/OUT, weather/traffic/navigation Touch Screen NAV COM Garmin GTN650xi premier GPS/Nav/Comm/MFD platform, WAAS/SBAS, VOR/ILS and much more Additional Radio Dynon SV-COM-25X Garmin Audiopanel Garmin GMA 245, 3D Audio processing, BT connection, Auto Squelch, dual comm, dual nav and multiple aux receivers, totaling up to 7 radios, split-comm mode let’s the pilot and copilot broadcast on independent frequencies, automatic digital voice recorder for instant playback on request (Say Again function) Auto Pilot
Recommended avionics upgrades
No autopilot is listed — a GFC 500 (or S-TEC 3100 / Trio Pro Pilot where the GFC isn't STC'd) adds a modern digital autopilot with envelope protection, subject to model approval.
See prices & suppliers ›Suggestions are based on the panel described in this listing; verify STC approval for this make/model before any installation.
Service Difficulty Reports (SDRs)
Checking FAA service difficulty reports…
Airworthiness Directives (ADs)
Checking airworthiness directives…
General
| Year | 2025 |
|---|---|
| Manufacturer | TOMARK AERO |
| Model | VIPER SD4 |
| Registration # | N881EA |
| Condition | New |
| Total Time | 4 |
Engine
| Engine 1 Time | 4 SNEW |
|---|
Avionics
| Avionics/Radios | 2 x Touch Screen Dynon SkyView Display HDX SV-HDX1100 GPS module Dynon GPS2020 ADSB IN/OUT, weather/traffic/navigation Touch Screen NAV COM Garmin GTN650xi premier GPS/Nav/Comm/MFD platform, WAAS/SBAS, VOR/ILS and much more Additional Radio Dynon SV-COM-25X Garmin Audiopanel Garmin GMA 245, 3D Audio processing, BT connection, Auto Squelch, dual comm, dual nav and multiple aux receivers, totaling up to 7 radios, split-comm mode let’s the pilot and copilot broadcast on independent frequencies, automatic digital voice recorder for instant playback on request (Say Again function) Auto Pilot |
|---|
Additional Equipment
| Additional Equipment | Extra Backup battery Backup, Electrically Independent Garmin G5 Electronic Flight Instrument with Garmin microprocessor-based magnetometer New designed, special 3-way (knobs) lighting for Night Flight (Dashboard light, Light for reading maps, Adjustments/Dimming for display’s brightness) Wifi Adapter Position, Strobe lights Tail beacon New developed extra strong Landing Light Beringer Brakes Electric Trim Electric Flaps |
|---|
Range from base
Still-air range ring — type an aircraft to change it. Compare aircraft on the Range tool ›
Last flight
Actual flight path from FlightAware for N881EA. More flight tracking ›
