# N44UD — TEXTRON AVIATION INC 172S
> **2017** Fixed Wing Single-Engine · Reciprocating · Owner: B & K AVIATION LLC · DANVILLE, CA
## Aircraft
- **N-Number:** N44UD
- **Serial Number:** 172S12072
- **Manufacturer:** TEXTRON AVIATION INC
- **Model:** 172S
- **Year manufactured:** 2017
- **Type:** Fixed Wing Single-Engine
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 004
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A54A0A`
## Owner
- **Name:** B & K AVIATION LLC
- **Type of registrant:** LLC
- **Location:** DANVILLE, CA 945062143, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2026-01-12
- **Last action:** 2026-01-12
- **Expiration:** 2033-01-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=44UD)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a54a0a)
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