N33XX - 1938 Dornier BU 133 Aircraft Registration

1938 DORNIER BU 133

Aircraft Description

N33XX is a 1938 Dornier BU 133, a single-engine reciprocating (piston) aircraft registered to Ptacek Stephen R in Estes Park, CO. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on November 19, 1979. The registration certificate was issued on June 5, 1992. The registration is set to expire on September 30, 2027. Powered by a Lycoming O&VO-360 SER engine producing 180 horsepower, N33XX is. The aircraft's Mode S transponder code is A39599 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N33XX was last updated on March 17, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Dornier is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 82 Dornier aircraft currently registered in the FAA database, including the BU 133 model.

AviatorDB has found no NTSB accident or incident reports involving N33XX. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
1938
Manufacturer
DORNIER
Model
BU 133
Type Aircraft
Fixed Wing Single Engine
Cruise Speed
114 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
November 19, 1979
Classification
Experimental 3 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
June 5, 1992

Registered Owner

Name
PTACEK STEPHEN R
Address
2934 ASPEN DR
City
ESTES PARK
State / Zip Code
Colorado80517-7001
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
LYCOMING
Engine Model
O&VO-360 SER
Horsepower
180 HP
Mode S Code (Oct)
50712631
Mode S Code (Hex)
A39599

Additional Details

Registration
N33XX
Serial Number
14
Number of Engines
1
Number of Seats
2
Expiration Date
September 30, 2027
Last Action Date
March 17, 2023
Last Update Date
January 19, 2026
Unique ID
00302093

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-05-01 01:32:20 UTC