- Registered owner
- Dean David E
- Location
- Yerington, NV
- Owner type
- Individual
- Serial number
- 559
- Year built
- 1971
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- November 10, 1975
- Certificate issued
- February 21, 2024
- Expires
- February 28, 2031
- Mode S code
- A4C40A
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Continental C85 model are included below.
On this page
Airworthiness directives that may apply · 13
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1969 | 1 |
|---|---|
| 1980 | 1 |
| 1981 | 2 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1998 | 2 |
Engine · Continental C85 series
AD 98-17-11CrankshaftsAD 98-01-06CarburetorsAD 94-05-05 R1Cylinder RockerAD 95-21-15Aviation GasolineAD 93-22-05Carburetor Air Intake Housing AssembliesAD 93-19-04CarburetorsAD 81-16-05MagnetosAD 81-07-06AC Fuel PumpsAD 80-06-05MagnetosAD 69-24-03CarburetorsAD 69-09-01Eisemann MagnetosAD 49-50-01Generator Drive Coupling Rubber DiscAD 47-40-02Piston PinsSuperseded and historical ADs · 1
Information bulletins that may apply · 4
Advisory, not mandatory.
NTSB investigations
No NTSB investigations matched to N406MMMatched 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 Williams MM-1 aircraft
FAA incident reports
No FAA accident or incident reports matched to N406MMMatched 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 Williams MM-1 aircraft
Reports on N406MM not matched to an aircraft · 1
They name N406MM, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
Service difficulty reports
No reports matched to N406MMGeneral 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 Williams MM-1 aircraft
STCs that may be installed · 44
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Engine · Continental C85 series
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.STC SE208SOInstallation of ice indicator in the carburetor.