- Registered owners
- Bybee John EBybee Annette J
- Location
- Burlington, IA
- Owner type
- Co-owned
- Serial number
- 089
- Year built
- 1967
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- February 9, 1998
- Certificate issued
- April 2, 2025
- Expires
- April 30, 2032
- Mode S code
- AD6DE9
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming 0-320 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.
| 1964 | 1 |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 2 |
| 1980 | 3 |
| 1981 | 1 |
| 1982 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1998 | 3 |
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 2 |
| 2012 | 1 |
| 2017 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Airframe · Aero Commander 100
AD 2005-01-19Mode S transpondersEngine · Lycoming 0-320 series
AD 2026-04-11Engine (Reciprocating)AD 2022-16-03Engine (RECIPROCATING)Information bulletins that may apply · 9
Advisory, not mandatory.
NTSB investigations
Investigations on N9644C not matched to an aircraft · 1
They name N9644C, 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 N9644C not matched to an aircraft · 2
They name N9644C, 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 · 70
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.