- Registered owner
- Pacific Aircraft Services LLC
- Location
- Saint Helens, OR
- Owner type
- LLC
- Serial number
- 136746
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Experimental, research and development
- Airworthiness date
- May 20, 1997
- Certificate issued
- May 17, 2024
- Expires
- May 31, 2031
- Mode S code
- AA09E8
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 N746MAMatched 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 Grumman S2F-1 aircraft
FAA incident reports
No FAA accident or incident reports matched to N746MAMatched 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 Grumman S2F-1 aircraft
Service difficulty reports
No reports matched to N746MAGeneral 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 Grumman S2F-1 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.