- Registered owner
- Drefs Theodore J
- Location
- Shelby, IA
- Owner type
- Individual
- Serial number
- C75-10086
- Year built
- 2025
- Type
- Fixed wing single engine
- Engine
- 4 cycle
- Airworthiness
- Standard, balloon
- Airworthiness date
- December 15, 2025
- Certificate issued
- August 13, 2024
- Expires
- August 31, 2031
- Mode S code
- A87D32
- Kit
- Zenith Aircraft Co CH 750 CRUZER
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 10
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1969 | 2 |
|---|---|
| 1977 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 1998 | 1 |
| 2004 | 1 |
| 2012 | 1 |
| 2024 | 1 |
| 2026 | 2 |
Engine · Lycoming O-235-C
AD 2026-17-10Reciprocating Engine Cylinder SectionAD 2026-04-11Engine (Reciprocating)AD 2012-03-07CarburetorAD 2004-10-14Crankshaft gearAD 98-01-06CarburetorsAD 93-19-04CarburetorsAD 90-04-06 R1Propeller Governor External Oil LineAD 75-08-09Oil Pump Drive ShaftAD 69-24-03CarburetorsAD 66-06-03Connecting Rod AssembliesSuperseded and historical ADs · 1
Information bulletins that may apply · 2
Advisory, not mandatory.
NTSB investigations
No NTSB investigations matched to N646TDMatched 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 Theodore J Drefs ZENITH CH750 CRUZER aircraft
FAA incident reports
No FAA accident or incident reports matched to N646TDMatched 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 Theodore J Drefs ZENITH CH750 CRUZER aircraft
Service difficulty reports
No reports matched to N646TDGeneral 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 Theodore J Drefs ZENITH CH750 CRUZER aircraft
STCs that may be installed · 25
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Engine · Lycoming O-235-C
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.