- Registered owner
- Grey Matter Inc
- Location
- Valley Springs, CA
- Owner type
- Corporation
- Serial number
- 421B0110
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- December 10, 1984
- Certificate issued
- June 11, 2021
- Expires
- June 30, 2028
- Mode S code
- A23570
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 · 60
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1972 | 4 |
|---|---|
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 1 |
| 1981 | 3 |
| 1983 | 1 |
| 1986 | 1 |
| 1988 | 3 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2004 | 2 |
| 2005 | 5 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2014 | 1 |
| 2016 | 3 |
| 2018 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 5 |
See all 68 ADs
Information bulletins that may apply · 16
Advisory, not mandatory.
See all 17 bulletins
NTSB investigations
No NTSB investigations matched to N241TSMatched 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 421B 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 N241TSGeneral 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 421B aircraft
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 421B
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