# N10721 — SIOUX COUPE 90-B
> **1933** Fixed Wing Single-Engine · Reciprocating · Owner: ANTIQUE PRESERVATION ASSOCIATION OF GREENFIELD · GREENFIELD, IA
## Aircraft
- **N-Number:** N10721
- **Serial Number:** 401
- **Manufacturer:** SIOUX
- **Model:** COUPE 90-B
- **Year manufactured:** 1933
- **Type:** Fixed Wing Single-Engine
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 002
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A0216D`
## Owner
- **Name:** ANTIQUE PRESERVATION ASSOCIATION OF GREENFIELD
- **Type of registrant:** Corporation
- **Location:** GREENFIELD, IA 508490031, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2007-01-09
- **Last action:** 2023-07-28
- **Expiration:** 2029-04-30
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=10721)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a0216d)
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