- Registered owner
- Schafhausen Mark G
- Location
- Spokane, WA
- Owner type
- Individual
- Serial number
- 215
- Year built
- 1947
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Experimental, exhibition
- Airworthiness date
- July 23, 2013
- Certificate issued
- February 17, 1977
- Expires
- August 31, 2029
- Mode S code
- A0592B
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 N121UMatched 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 Aero C-104 aircraft
Investigations on N121U not matched to an aircraft · 1
They name N121U, but no registry record covers the date, the aircraft registered then was built later, or the investigation describes another aircraft.
FAA incident reports
No FAA accident or incident reports matched to N121UMatched 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 Aero C-104 aircraft
Service difficulty reports
No reports matched to N121UGeneral 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 Aero C-104 aircraft
STCs that may be installed
No STCs matched this aircraft’s modelsSTCs are matched through the model’s type certificate data sheet, and this registry model isn’t matched to one.
Earlier aircraft with this N-number · 1
This aircraft carried N121U before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.