- Registered owner
- Seven M Enterprises
- Location
- Kalispell, MT
- Owner type
- Partnership
- Serial number
- 001
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- July 19, 1977
- Certificate issued
- August 8, 2023
- Expires
- August 31, 2030
- Mode S code
- A1B74B
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Franklin 4AC199D&E model are included below.
On this page
Airworthiness directives that may apply · 0
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
No ADs matched this aircraft’s modelsADs on appliances, propellers and installed equipment aren’t matched by model; check those separately.
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N21BJMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Brown B.J SPORTSTER aircraft
FAA incident reports
No FAA accident or incident reports matched to N21BJMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Brown B.J SPORTSTER aircraft
Service difficulty reports
No reports matched to N21BJGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Brown B.J SPORTSTER aircraft
STCs that may be installed
No STCs matched this aircraft’s modelsSTCs change type-certificated designs, and this aircraft isn’t type certificated.