- Registered owner
- Trade Winds Aviation Holdings LLC
- Location
- Lewes, DE
- Owner type
- LLC
- Serial number
- 421C0604
- Year built
- 1978
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- October 18, 1978
- Certificate issued
- April 29, 2026
- Expires
- April 30, 2033
- Mode S code
- AC3694
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 33
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1972 | 2 |
|---|---|
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1980 | 3 |
| 1984 | 2 |
| 1986 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 3 |
| 2000 | 1 |
| 2001 | 1 |
| 2004 | 1 |
| 2005 | 3 |
| 2008 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2023 | 2 |
See all 36 ADs
Information bulletins that may apply · 10
Advisory, not mandatory.
Airframe · Cessna 421C
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-11-29R1Flight Control SystemSAIB CE-10-01Fuel: Fuel Tank Selector Valve SystemsSAIB CE-03-17SAIB ACE-99-06SAIB ACE-99-05Historical bulletins · 2
NTSB investigations
No NTSB investigations matched to N88604Matched 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 421C aircraft
FAA incident reports
No FAA accident or incident reports matched to N88604Matched 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 Cessna 421C aircraft
Service difficulty reports · 6
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR 98ZZZX3692Bolt · brokenPILOT NOTICED WHITE SMOKE COMING FROM LEFT TOP COWLING LOUVERS. SHUT ENGINE DOWN AND LANDED. MAINTENANCE FOUND BROKEN ROCKER SHAFT BOLT. REPLACED BOTH BOLTS AND GASKET. PERFORMED LEAK CHECK AND RUN-UP. ALL CHECKED GOOD.SDR 98ZZZX990Bolt · failedPILOT REPORTED OIL LEAKING FROM RIGHT ENGINE. FOUND HOLE IN NR 5 CYLINDER ROCKER COVER. HEAD OF BOLT BROKE OFF THAT ATTACHES ROCKER ARM AND SHAFT TO CYLINDER ASSEMBLY. NEW BOLTS INSTALLED AND NEW ROCKER COVER.SDR 97ZZZX3699Clamp · crackedOVERBOARD EXHAUST PIPE CLAMP HAD 2 INCH CRACK AROUND CLAMP. REMOVED CLAMP AND INSTALLED NEW ONE.SDR 97ZZZX192Air Filter · failedCABIN PRESSURIZATION WEAK, INSPECTED PRESSURIZATION HEAT EXCHANGER IN WING. BOTH EXCHANGERS PLUGGED WITH FELT MATERIAL. SUSPECT FELT MATERIAL CAME FROM ENDS OF PAPER AIR FILTERS. VACUUM AND CLEANED HEAT EXCHANGERS, TEST FLIGHT CHECK, AND NORMAL.SDR 95ZZZX1166Shaft Gear · failedDURING DISASSEMBLY OF THIS ENGINE, THE 'NEW STYLE' STARTER CLUTCH (REF: SB M92-10) GEAR GEETH WERE STARTING TO FAIL. ALSO, REF: CRITICAL SB 94-4.SDR 95ZZZX1165Shaft Gear · failedDURING DISASSEMBLY OF THIS ENGINE, THE 'NEW STYLE' STARTER CLUTCH (REF: SB M92-10) GEAR TEETH WERE STARTING TO FAIL. ALSO, REF: CRITICAL SB 94-4.
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 421C
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
Earlier aircraft with this N-number · 1
This aircraft carried N88604 before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.