# N504ST — DASSAULT AVIATION MYSTERE FALCON 900
> **1996** Fixed Wing Multi-Engine · Turbo-Fan · Owner: SDT AIR DELAWARE LLC · WILMINGTON, DE
## Aircraft
- **N-Number:** N504ST
- **Serial Number:** 162
- **Manufacturer:** DASSAULT AVIATION
- **Model:** MYSTERE FALCON 900
- **Year manufactured:** 1996
- **Type:** Fixed Wing Multi-Engine
- **Engine type:** Turbo-Fan (03 engines)
- **Seats:** 012
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A64A6E`
## Owner
- **Name:** SDT AIR DELAWARE LLC
- **Type of registrant:** LLC
- **Location:** WILMINGTON, DE 198011120, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2018-12-21
- **Last action:** 2023-07-01
- **Expiration:** 2028-12-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=504ST)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a64a6e)
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