- Registered owner
- Registration Pending
- Location
- Portland, ME
- Owner type
- Individual
- Serial number
- 421B0145
- Year built
- 1971
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- December 9, 1971
- Mode S code
- A96EE6
- Registry status
- Registration pending
From the FAA registry file of October 22, 2026.
On this page
Airworthiness directives that may apply · 55
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1972 | 4 |
|---|---|
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 1 |
| 1981 | 2 |
| 1983 | 1 |
| 1986 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2004 | 2 |
| 2005 | 5 |
| 2007 | 1 |
| 2010 | 1 |
| 2012 | 1 |
| 2014 | 1 |
| 2016 | 3 |
| 2018 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 5 |
See all 63 ADs
Information bulletins that may apply · 15
Advisory, not mandatory.
See all 16 bulletins
NTSB investigations
No NTSB investigations matched to N707DMMatched 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 Cessna 421B aircraft
FAA incident reports · 1
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports · 2
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR 99ZZZX576Journal · cloggedTWO OIL JOURNALS IN CRANKCASE CLOGGED CAUSING TWO PISTONS TO FREEZE AND FAIL. ON LEFT SIDE OF CRANKCASE THE PISTON BROKE THROUGH CAUSING A FIST SIZE HOLE ON THE RIGHT SIDE OF THE PISTON BROKE THROUGH CAUSING A SILVER DOLLAR SIZE HOLE.SDR 96ZZZX5955Gear Shaft · wornSTARTER ON THE RIGHT ENGINE BEGAN TO WORK INTERMITTENTLY. THE PILOT SAID THE STARTER HAD BEEN TURNING SLOW AND MAKING NOISE. WHEN THE STARTER WAS REMOVED AND TESTED, IT WORKED FINE. THE STARTER ADAPTER SHAFT GEAR WAS REMOVED AND FOUND TO BE WORN BEYOND ACCE
STCs that may be installed · 279
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
See all 279 STCs