- Registered owner
- North Bay Air Museum
- Location
- Sonoma, CA
- Owner type
- Corporation
- Serial number
- A-85
- Year built
- 1946
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- July 9, 1956
- Certificate issued
- March 11, 2023
- Expires
- March 31, 2030
- Mode S code
- A058FC
From the FAA registry file of October 22, 2026. The registry lists only the engine series, so ADs for every Pratt & Whitney R-985 model are included below.
On this page
Airworthiness directives that may apply · 24
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1965 | 1 |
|---|---|
| 1966 | 1 |
| 1968 | 1 |
| 1972 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 1 |
| 1981 | 2 |
| 1999 | 1 |
| 2000 | 1 |
| 2005 | 2 |
| 2023 | 1 |
See all 25 ADs
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N121SCMatched 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 Beech D18S aircraft
FAA incident reports · 1
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports
No reports matched to N121SCGeneral 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 Beech D18S aircraft
STCs that may be installed · 409
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Beech D18S
STC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.STC SA01861SEFabrication and installation of Landing Light ControllerSTC SA04837NYInstallation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights