- Registered owner
- Mapes Neal E
- Location
- Prineville, OR
- Owner type
- Individual
- Serial number
- 23994
- Year built
- 1996
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- December 23, 1996
- Certificate issued
- October 18, 2022
- Expires
- October 31, 2029
- Mode S code
- ADF5B4
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming O&VO-360 model are included below.
On this page
Airworthiness directives that may apply · 40
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1963 | 1 |
|---|---|
| 1964 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 2 |
| 1977 | 2 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 1 |
| 1982 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1998 | 2 |
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 5 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 2 |
| 2012 | 2 |
| 2017 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Engine · Lycoming O&VO-360 series
AD 2026-04-11Engine (Reciprocating)AD 2022-16-03Engine (RECIPROCATING)AD 2020-25-12Reciprocating Engine Power SectionInformation bulletins that may apply · 9
Advisory, not mandatory.
NTSB investigations
Investigations on N999ST not matched to an aircraft · 1
They name N999ST, but no registry record covers the date, the aircraft registered then was built later, or the investigation describes another aircraft.
FAA incident reports
Reports on N999ST not matched to an aircraft · 1
They name N999ST, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
Service difficulty reports
STCs that may be installed · 50
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Earlier aircraft with this N-number · 1
This aircraft carried N999ST before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.