- Registered owner
- Airknocker Inc
- Location
- Wilmington, DE
- Owner type
- Corporation
- Serial number
- 25-253
- Year built
- 1960
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Restricted, agriculture and pest control
- Airworthiness date
- April 4, 2012
- Certificate issued
- January 20, 2022
- Expires
- January 31, 2029
- Mode S code
- A567F9
From the FAA registry file of October 24, 2026.
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.
| 1962 | 1 |
|---|---|
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1972 | 1 |
| 1974 | 1 |
| 1977 | 3 |
| 1979 | 1 |
| 1980 | 2 |
| 1982 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 2 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 3 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2004 | 1 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 1 |
| 2010 | 1 |
| 2012 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Airframe · Piper PA-25
AD 2015-08-04WingsAD 2007-08-07Horizontal stabilizerAD 2006-12-07ECi cylinder assembliesInformation bulletins that may apply · 7
Advisory, not mandatory.
Engine · Lycoming O-320-A2B
SAIB NE-19-08Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve CylindersSAIB NE-08-32R1Propeller Governor Idler Gear Shaft Set ScrewSAIB NE-14-13Reciprocating Engine - Cylinder Mounting StudsSAIB NE-13-06Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series EnginesSAIB NE-06-32R1Reciprocating Engine - CrankshaftHistorical bulletins · 1
NTSB investigations
No NTSB investigations matched to N4477PMatched 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 Piper PA-25 aircraft
FAA incident reports
No FAA accident or incident reports matched to N4477PMatched 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 Piper PA-25 aircraft
Service difficulty reports
No reports matched to N4477PGeneral 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 Piper PA-25 aircraft
STCs that may be installed · 150
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Piper PA-25
STC SA04837NYInstallation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lightsSTC SA04652CHTo allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specificationSTC SA01147WIInstallation of Concorde FLA or VRSLA series batteries in Piper Light Airplanes.
Earlier aircraft with this N-number · 1
This aircraft carried N4477P before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.