# N209SF — MESSERSCHMITT-BOLKOW-BLOHM BO 209 MONSUN
> **1971** Fixed Wing Single-Engine · Reciprocating · Owner: WHITAKER ALVIN E · WATERLOO, WI
## Aircraft
- **N-Number:** N209SF
- **Serial Number:** 142
- **Manufacturer:** MESSERSCHMITT-BOLKOW-BLOHM
- **Model:** BO 209 MONSUN
- **Year manufactured:** 1971
- **Type:** Fixed Wing Single-Engine
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 001
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A1B508`
## Owner
- **Name:** WHITAKER ALVIN E
- **Type of registrant:** Individual
- **Location:** WATERLOO, WI 53594, US
## Registration
- **Status:** Valid
- **Certificate issued:** 1987-02-27
- **Last action:** 2023-08-18
- **Expiration:** 2029-07-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=209SF)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a1b508)
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