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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 with 959 total hours on both the airframe and its engine, which is listed as SNEW. The propeller has 90 hours since major overhaul. The seller notes the aircraft will be sold with a fresh annual inspection and is priced at a reduced level.

The aircraft is equipped for VFR operations and features a modern, dual-screen Dynon HDX Skyview glass cockpit, supplemented by a Garmin G5 and an Av 440. It is also equipped with a Dynon pitch and roll autopilot and a factory-installed ballistic parachute system (BRS). With a useful load of 445 pounds and...

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
Seats
2

Hours, Logs & Inspections

Total Time
959 hrs
Engine 1 Time
959 hrs (SNEW)
Prop 1 Time
90 hrs (SMOH)
Inspection Status
Will sell with fresh annual.

Avionics

PFD

Dynon HDX Skyview - Dual HDX systems

AP

Dynon - Pitch and Roll Auto Pilot INSTALLED

Additional Equipment

Ballistic Recovery System

Ballistic Chute

Interior & Exterior

Interior Year
2023
Paint Year
2023
Exterior Notes
Exterior is painted, school logos are vinyl and come off easily.

Engine & Propeller

Engine Type
Piston
Engine Count
1

Asking Price

$179,000

Aircraft Location

St. Louis, MO, USA

Listing Details

Used
For Sale

Price History

Jan 7, 2026: $179,000(-$10,000) - trade-a-plane

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

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

+3 more price changes

Contact Seller

First Seen: Jun 2, 2025

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Asking Price

$179,000