- Registered owner
- Shapiro David Michael
- Location
- Homer, AK
- Owner type
- Individual
- Serial number
- 421C0664
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- November 3, 1992
- Certificate issued
- July 19, 2019
- Expires
- July 31, 2029
- Mode S code
- A4FFEC
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Continental GTSIO-520 model are included below.
On this page
Airworthiness directives that may apply · 59
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1972 | 2 |
|---|---|
| 1975 | 1 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 2 |
| 1984 | 2 |
| 1986 | 1 |
| 1988 | 3 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2004 | 2 |
| 2005 | 4 |
| 2007 | 1 |
| 2008 | 2 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2016 | 3 |
| 2018 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 5 |
See all 67 ADs
Information bulletins that may apply · 17
Advisory, not mandatory.
See all 19 bulletins
NTSB investigations
No NTSB investigations matched to N421GMatched 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 Cessna 421C aircraft
FAA incident reports
No FAA accident or incident reports matched to N421GMatched 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 Cessna 421C aircraft
Service difficulty reports · 2
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR 2012FA0000653Governor · failedAFTER TAKEOFF, THE RT ENGINE PROPELLER WENT INTO A FULL FEATHER. ENGINE SHUTDOWN AUTOMATICALLY AND ONE ATTEMPT TO RESTART WAS MADE WITH NO SUCCESS. A LANDING WAS EXECUTED WITHOUT INCIDENT. SUBSEQUENT GROUND INSPECTION REVEALED AN OIL LEAKAGE AROUND PROPELLER SDR 2002FA0001159Spark Plug · fouledROUGH MAGNETO ON RT ENGINE DURING RUN UP. PULLED SPARK PLUGS ON LT MAGNETO SIDE. FOUND ONE SPARK PLUG SHORTED OUT (OUTSIDE ELECTRODE TOUCHING CENTER ELECTRODE). WHEN THE OUTER ELECTRODES WERE TOUCHED THEY WERE FOUND TO BE VERY LOOSE AND FLOATING. SUSPECT T
STCs that may be installed · 290
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Cessna 421C
STC SA02571SEInstallation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).STC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.STC SA01861SEFabrication and installation of Landing Light Controller