# N33XX — DORNIER BU 133
> **1938** Fixed Wing Single-Engine · Reciprocating · Owner: PTACEK STEPHEN R · ESTES PARK, CO
## Aircraft
- **N-Number:** N33XX
- **Serial Number:** 14
- **Manufacturer:** DORNIER
- **Model:** BU 133
- **Year manufactured:** 1938
- **Type:** Fixed Wing Single-Engine
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 002
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A39599`
## Owner
- **Name:** PTACEK STEPHEN R
- **Type of registrant:** Individual
- **Location:** ESTES PARK, CO 805177001, US
## Registration
- **Status:** Valid
- **Certificate issued:** 1992-06-05
- **Last action:** 2023-03-17
- **Expiration:** 2027-09-30
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=33XX)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a39599)
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