- Registered owner
- Quest Aviation Inc
- Location
- Lake City, FL
- Owner type
- Corporation
- Serial number
- 421-0112
- Year built
- 1968
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- October 18, 1968
- Certificate issued
- February 20, 1991
- Expires
- March 31, 2030
- Mode S code
- A50079
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 50
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1972 | 3 |
|---|---|
| 1975 | 1 |
| 1976 | 1 |
| 1978 | 3 |
| 1979 | 1 |
| 1981 | 2 |
| 1983 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 3 |
| 1999 | 1 |
| 2000 | 1 |
| 2004 | 3 |
| 2005 | 5 |
| 2007 | 1 |
| 2010 | 1 |
| 2012 | 1 |
| 2014 | 1 |
| 2016 | 3 |
| 2018 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 5 |
See all 57 ADs
Information bulletins that may apply · 18
Advisory, not mandatory.
See all 19 bulletins
NTSB investigations
No NTSB investigations matched to N421MRMatched 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 421 aircraft
FAA incident reports
No FAA accident or incident reports matched to N421MRMatched 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 421 aircraft
Service difficulty reports
No reports matched to N421MRGeneral 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 Cessna 421 aircraft
STCs that may be installed · 269
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Cessna 421
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