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Registered aircraft · FAA record as of September 25, 2026
N33XX

Dornier BU 133

Valid Colorado

N33XX is a Dornier BU 133, a fixed-wing airplane with one motor with a piston engine, built in 1938. It has 2 seats. It is registered to an individual in Estes Park, Colorado. The registration is valid: it was issued on June 5, 1992 and expires on September 30, 2027. It holds an experimental airworthiness certificate for exhibition, dated November 19, 1979.

Aircraft

Maker
Dornier
Model
BU 133
Serial number
14
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming O&VO-360 SER · 180 hp
Seats
2
Year built
1938
Cruising speed
114 mph
Transponder code
A39599 (octal 50712631)

Registration

Status
Valid registration
Certificate issued
June 5, 1992
Expires
September 30, 2027
Last FAA action
March 17, 2023
Airworthiness
Experimental · Exhibition · November 19, 1979
FAA region
Northwest Mountain
FAA record id
00302093

Owner as the FAA publishes it

Name
Ptacek Stephen R
Type
Individual
Address
2934 Aspen Dr
Estes Park, CO 80517-7001

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data