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2023 Tomark Aero Viper SD4Single-Engine Piston Aircraft • St. Louis, MO, USA

This 2023 Tomark Aero Viper SD4, registered as N447EA, is a low-time Light Sport aircraft presented as a versatile platform for training, cross-country, and local travel. With a total time of 900 hours on both the airframe and its engine, the aircraft has approximately 1100 hours remaining until its engine's Time Between Overhaul (TBO). The propeller has 30 hours since major overhaul. The aircraft is equipped with a comprehensive modern glass panel, featuring dual Dynon HDX Skyview systems, a Garmin G5, and an Avidyne AV-440, complemented by a Dynon pitch and roll autopilot. A notable safety feature is the installed ballistic parachute...

Year
2023
Make
Tomark Aero
Series
Viper
Model
Viper SD4
Tail #
N447EA
Serial #
41147

Find similar aircraft

Specifications

Category
Single-Engine Piston
Intended Use
Training, Recreational
Flight Rules
VFR
Useful Load
445 lbs

Hours, Logs & Inspections

Total Time
900 hrs
Engine 1 Time
900 hrs (SNEW)
Prop 1 Time
30 hrs (SMOH)

Avionics

PFD

Dynon HDX Skyview - Dual HDX systems

Autopilot

Dynon Pitch and Roll Autopilot - Auto INSTALLED

GPS

Garmin G5

Additional Equipment

Ballistic Recovery System

Ballistic Chute

Interior & Exterior

Interior Year
2023
Paint Year
2023
Exterior Notes
Year Painted: 2023

Engine & Propeller

Engine Type
Piston
Engine Count
1

Asking Price

$189,000

Aircraft Location

St. Louis, MO, USA

Listing Details

Used
For Sale

Price History

Dec 7, 2025: $189,000(-$10,000) - trade-a-plane

Nov 7, 2025: $199,000(-$16,000) - trade-a-plane

Sep 9, 2025: $215,000(-$24,900) - trade-a-plane

+2 more price changes

Contact Seller

First Seen: Jun 2, 2025

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Asking Price

$189,000