# N21591 — CESSNA 172S
> **2004** Fixed Wing Single-Engine · Reciprocating · Owner: KOHN AVIATION LLC · SAN CARLOS, CA
## Aircraft
- **N-Number:** N21591
- **Serial Number:** 172S9658
- **Manufacturer:** CESSNA
- **Model:** 172S
- **Year manufactured:** 2004
- **Type:** Fixed Wing Single-Engine
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 004
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A1CFC2`
## Owner
- **Name:** KOHN AVIATION LLC
- **Type of registrant:** LLC
- **Location:** SAN CARLOS, CA 940704517, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2018-08-24
- **Last action:** 2023-06-03
- **Expiration:** 2028-08-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21591)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a1cfc2)
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