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eFlight RegistryFAA data, updated daily
Maker · data as of September 25, 2026

Tomark Aero Cz Sro

20 aircraft on the U.S. register. The most recent registration was August 28, 2026.

Models

VIPER SD-420

States

Florida6Wyoming3Delaware3Idaho2Washington1Texas1Nevada1Missouri1Illinois1Colorado1

Registrations by year

0245712020120211202212023120246202572026

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N651EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Eagle International Aircraft INC
Fort Lauderdale, Florida
None on file 2026-08-28 Valid
N447EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Management Ranch LLC
Sheridan, Wyoming
Light sport 2026-08-26 Valid
N652EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Eagle International Aircraft INC
Fort Lauderdale, Florida
None on file 2026-08-06 Valid
N478EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Individual owner
Idaho
Light sport 2026-05-26 Valid
N450EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Light sport 2026-05-07 Valid
N874EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine November Sky LLC
Sheridan, Wyoming
Light sport 2026-04-23 Valid
N973EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Eagle International Aircraft INC
Fort Lauderdale, Florida
Light sport 2026-01-20 Valid
N485EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Pupa285 LLC
Dover, Delaware
Light sport 2025-12-20 Valid
N411EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine N411Ea LLC
Sheridan, Wyoming
Light sport 2025-12-15 Valid
N881EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Eagle International Aircraft INC
Fort Lauderdale, Florida
Light sport 2025-11-21 Reports overdue
N848EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Eagle International Aircraft INC
Fort Lauderdale, Florida
Light sport 2025-11-13 Valid
N854EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Paige Aviation LLC
Wilmington, Delaware
Light sport 2025-10-30 Valid
N802EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Cinca Aircrafts LLC
Merritt Island, Florida
Light sport 2025-03-25 Valid
N814EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Individual owner
Colorado
Light sport 2024-11-25 Valid
N374EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Piston Aviation LLC
Saint Charles, Missouri
Light sport 2023-12-23 Valid
N359EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Individual owner
Illinois
Light sport 2022-11-12 Valid
N205JR Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Salt Meadow LLC
Middletown, Delaware
Light sport 2021-10-18 Valid
N311EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Individual owner
Washington
Light sport 2020-02-26 Valid
N613TK Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Tomark Aero USA LLC
Frisco, Texas
Experimental 2010-04-27 Valid
N875EA Tomark Aero Cz Sro
VIPER SD-4
Fixed-wing, single engine Individual owner
Idaho
Light sport Pending