# N450EA — TOMARK AERO CZ SRO VIPER SD-4
> **2017** Fixed Wing Single-Engine · 4-Cycle · Owner: INTERNATIONAL AIR SERVICES INC TRUSTEE · CARSON CITY, NV
## Aircraft
- **N-Number:** N450EA
- **Serial Number:** 22054
- **Manufacturer:** TOMARK AERO CZ SRO
- **Model:** VIPER SD-4
- **Year manufactured:** 2017
- **Type:** Fixed Wing Single-Engine
- **Engine type:** 4-Cycle (01 engines)
- **Seats:** 002
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A57281`
## Owner
- **Name:** INTERNATIONAL AIR SERVICES INC TRUSTEE
- **Type of registrant:** Corporation
- **Location:** CARSON CITY, NV 897060838, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2026-05-07
- **Last action:** 2026-05-07
- **Expiration:** 2033-05-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=450EA)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a57281)
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