N411EA - 2023 Tomark Aero CZ Sro Viper SD-4 Aircraft Registration

SD4

2023 TOMARK AERO CZ SRO VIPER SD-4

Aircraft Description

N411EA is a 2023 Tomark Aero Cz Sro VIPER SD-4, a single-engine four-cycle piston aircraft registered to N411EA LLC in Sheridan, WY. This aircraft holds a light sport airworthiness certificate issued by the Federal Aviation Administration on December 9, 2023. The registration certificate was issued on December 15, 2025. The registration is set to expire on December 31, 2032. Powered by a Rotax 912ULS2 engine producing 100 horsepower, N411EA is. The aircraft's Mode S transponder code is A4D83C (hex), used for ADS-B identification and flight tracking. N411EA was last tracked by AviatorDB near Page Field (KFMY) on March 30, 2026. The FAA registry record for N411EA was last updated on December 15, 2025. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Tomark Aero Cz Sro is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 18 Tomark Aero Cz Sro aircraft currently registered in the FAA database, including the VIPER SD-4 model.

AviatorDB has found no NTSB accident or incident reports involving N411EA. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
2023
Manufacturer
TOMARK AERO CZ SRO
Model
VIPER SD-4
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
SD4SD-4 Viper
Weight Class
Up to 12,500 lbs
Airworthiness Date
December 9, 2023
Classification
Light Sport Acrobatic Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
December 15, 2025

Registered Owner

Name
N411EA LLC
Address
1309 COFFEEN AVE STE 1200
City
SHERIDAN
State / Zip Code
Wyoming82801-5777
Country
United States

Powerplant & Avionics

Engine Type
4-cycle
Number of Engines
1
Engine Manufacturer
ROTAX
Engine Model
912ULS2
Horsepower
100 HP
Mode S Code (Oct)
51154074
Mode S Code (Hex)
A4D83C

Additional Details

Registration
N411EA
Serial Number
41118
Number of Engines
1
Number of Seats
2
Expiration Date
December 31, 2032
Last Action Date
December 15, 2025
Last Update Date
January 19, 2026
Unique ID
01429133

Last Known Position

Date
March 30, 2026 (UTC 14:56:54)
Airport
Latitude
26.58659935
Longitude
-81.86329650879999

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-04-01 01:32:20 UTC