- Registered owner
- Encinal Aviation LLC
- Location
- Springfield, MO
- Owner type
- LLC
- Serial number
- 421C0459
- Year built
- 1978
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- June 23, 2000
- Certificate issued
- April 25, 2024
- Expires
- April 30, 2031
- Mode S code
- A5FB88
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 N485DSMatched 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 N485DSMatched 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 · 3
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR 2007FA0000198Bolt · corrodedDURING ACCOMPLISHMENT OF ANNUAL INSPECTION, EXCESSIVE PLAY WAS NOTED AT AFT HINGE POINT OF UPPER MAIN CABIN DOOR. INVESTIGATION REVEALED THAT HINGE BOLT WAS BROKEN, HEAD OF BOLT COULD BE TURNED, BUT END WITH NUT WOULD NOT FOLLOW. TRIED TO REMOVE BOLT BUT WASSDR 2006FA0000821Hinge · corrodedTO FIND USED SERVICEABLE HINGES AND HINGE SUPPORT FITTINGS FROM AC SALVAGE COMPANIES, EVERY HINGE THAT WAS RECEIVED, SAME TYPE OF CORROSION, BEARING AND BUSHINGS WERE RUSTED TO HINGE BOLT. BUSHINGS AND BEARING ARE PRESS FIT INTO HINGE SO AS TO ALLOW HINGE ASSDR 2004FA0000069Exhaust Riser · damagedWHILE IN IFR FLIGHT, PILOT REPORTED LOSS OF MANIFOLD PRESSURE AND EXHAUST GAS TEMPERATURE INSTRUMENTATION READINGS. HOWEVER MP STABILIZED AT LOWER THAN NORMAL READINGS. MADE PRECAUTIONARY LANDING AT CLOSEST AIRPORT, WHICH MET IFR MINIMUMS. TECH PRESSURE CHE
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