# N704K — WACO BSO
> **—** Fixed Wing Single-Engine · Reciprocating · Owner: HIRTLE ALAN L · ORO VALLEY, AZ
## Aircraft
- **N-Number:** N704K
- **Serial Number:** A-164
- **Manufacturer:** WACO
- **Model:** BSO
- **Year manufactured:** —
- **Type:** Fixed Wing Single-Engine
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 003
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A9644B`
## Owner
- **Name:** HIRTLE ALAN L
- **Type of registrant:** Individual
- **Location:** ORO VALLEY, AZ 857559180, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2009-03-25
- **Last action:** 2023-10-07
- **Expiration:** 2030-02-28
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=704K)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a9644b)
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