- Registered owner
- Ferwerda Bryan R
- Location
- Sioux Falls, SD
- Owner type
- Individual
- Serial number
- 03240374
- Year built
- 2025
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- September 10, 2025
- Certificate issued
- July 23, 2025
- Expires
- July 31, 2032
- Mode S code
- A4FF75
- Kit
- Rans Designs Inc S-21 OUTBOUND
From the FAA registry file of October 24, 2026.
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 N421BFMatched 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 Bryan Ferwerda S21 OUTBACK aircraft
FAA incident reports
No FAA accident or incident reports matched to N421BFMatched 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 Bryan Ferwerda S21 OUTBACK aircraft
Service difficulty reports
No reports matched to N421BFGeneral 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 Bryan Ferwerda S21 OUTBACK aircraft
STCs that may be installed
No STCs matched this aircraft’s modelsSTCs change type-certificated designs, and this aircraft isn’t type certificated.
Earlier aircraft with this N-number · 1
This aircraft carried N421BF before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.