# N6631A — CESSNA 172
> **1956** Fixed Wing Single-Engine · Reciprocating · Owner: UNTERNAEHRER ROBERT U TRUSTEE · BRUNSWICK, MO
## Aircraft
- **N-Number:** N6631A
- **Serial Number:** 28731
- **Manufacturer:** CESSNA
- **Model:** 172
- **Year manufactured:** 1956
- **Type:** Fixed Wing Single-Engine
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 004
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A8C1DA`
## Owner
- **Name:** UNTERNAEHRER ROBERT U TRUSTEE
- **Type of registrant:** Co-Owned
- **Location:** BRUNSWICK, MO 652362138, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2004-06-30
- **Last action:** 2023-04-07
- **Expiration:** 2027-12-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6631A)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a8c1da)
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