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Registered aircraft · FAA record as of September 25, 2026
N21BJ

Brown B.J SPORTSTER

Valid Montana

N21BJ is a Brown B.J SPORTSTER, a fixed-wing airplane with one motor with a piston engine. It has 1 seat. It is registered to Seven M Enterprises, a partnership in Kalispell, Montana. The registration is valid: it was issued on August 8, 2023 and expires on August 31, 2030. It holds an experimental airworthiness certificate for amateur built, dated July 19, 1977.

Aircraft

Maker
Brown
Model
B.J SPORTSTER
Serial number
001
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Franklin 4AC199D&E SER · 90 hp
Seats
1
Year built
Not given
Cruising speed
85 mph
Transponder code
A1B74B (octal 50333513)

Registration

Status
Valid registration
Certificate issued
August 8, 2023
Expires
August 31, 2030
Last FAA action
August 8, 2023
Airworthiness
Experimental · Amateur built · July 19, 1977
FAA region
Northwest Mountain
FAA record id
00421302

Owner as the FAA publishes it

Name
Seven M Enterprises
Type
Partnership
Address
30 Whitetail Meadows Rd
Kalispell, MT 59901-8207

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