- Registered owner
- Kmr Aviation Services Inc
- Location
- Lynchburg, VA
- Owner type
- Corporation
- Serial number
- 41023
- Year built
- 1993
- Type
- Fixed wing multi engine
- Engine
- Turbo-prop
- Airworthiness
- Standard, transport
- Airworthiness date
- December 13, 1993
- Certificate issued
- September 8, 2018
- Expires
- September 30, 2028
- Mode S code
- A507A6
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every AiResearch TPE331 model are included below.
On this page
Airworthiness directives that may apply · 41
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1972 | 1 |
|---|---|
| 1974 | 2 |
| 1975 | 2 |
| 1976 | 1 |
| 1979 | 2 |
| 1980 | 2 |
| 1984 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1993 | 4 |
| 1994 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 1998 | 2 |
| 2001 | 1 |
| 2002 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2006 | 2 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2018 | 4 |
Engine · AiResearch TPE331 series
AD 2018-22-01Turbine SectionAD 2018-17-15Turbine Engine Combustion SectionAD 2018-13-05Turbine Engine Reduction GearInformation bulletins that may apply · 4
Advisory, not mandatory.
NTSB investigations
No NTSB investigations matched to N423KAMatched 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 Jetstream JETSTREAM 4100 aircraft
FAA incident reports
No FAA accident or incident reports matched to N423KAMatched 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 Jetstream JETSTREAM 4100 aircraft
Service difficulty reports
No reports matched to N423KAGeneral 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 Jetstream JETSTREAM 4100 aircraft
STCs that may be installed · 20
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Engine · AiResearch TPE331 series
STC SE02538AKModification of Honeywell TPE331-12JR-702TT engineSTC SE03035ATInstallation of Royal Atlantic Aviation Engine Oil Filter Bypass Warning System, Kit P/N RAA2003-1-1STC SE00265ATInstall Ayres Fuel Manifold Purge Assembly Kit, P/N 21757-1 in accordance with "Installation Instructions - Ayres P/N 21757-1 Fuel Manifold Purge Assy-Kit" Dwg. No. 21757-1(1), Revision none, dated April 20, 1993, or later FAA approved revision.