- Registered owners
- Circle C Aviation LLCSlv Aviation LLCProverbs Aviation LLC
- Location
- Orlando, FL
- Owner type
- Co-owned
- Serial number
- 421B0345
- Year built
- 1972
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- February 9, 1973
- Certificate issued
- September 15, 2025
- Expires
- September 30, 2032
- Mode S code
- AA2FF8
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 34
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 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1981 | 1 |
| 1983 | 1 |
| 1986 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1992 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 3 |
| 2000 | 1 |
| 2001 | 1 |
| 2004 | 1 |
| 2005 | 4 |
| 2014 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2023 | 2 |
See all 37 ADs
Information bulletins that may apply · 9
Advisory, not mandatory.
Airframe · Cessna 421B
SAIB CE-13-27R1Flight Controls Frayed Flap Extend CablesSAIB AIR-21-20TE FLAP CONTROL SYSTEM, Flight Controls –Flap Cable TensionSAIB CE-14-11R1Landing Gear; Nose Landing Gear TrunnionsSAIB CE-14-19Landing Gear; Main Landing Gear (MLG) Torque LinkSAIB CE-13-22Electrical Power System Circuit Breaker SwitchSAIB CE-10-01Fuel: Fuel Tank Selector Valve SystemsSAIB CE-09-16Landing Gear: Main Landing Gear Torque TubeSAIB ACE-99-06SAIB ACE-99-05Historical bulletins · 1
NTSB investigations · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
FAA incident reports · 2
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Incident 19890112000419IRoll-Out (Fixed Wing) · Boyne Falls, MISlid off end of ice covered runway during landing. Struck snowbank. Minor damage to aircraft.Accident 19831217063059ATakeoff Ground Roll · Harbor Springs, MIPilot stated that during takeoff roll, an overboost occurred on right engine. Aircraft slid off runway into snow.
Service difficulty reports
No reports matched to N7557QGeneral 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 Cessna 421B aircraft
STCs that may be installed · 258
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Cessna 421B
STC SA02571SEInstallation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).STC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.STC SA01861SEFabrication and installation of Landing Light Controller