N6794D1980 Cessna 421C
This N-number isn't registered right now. Below is its last known registration, canceled Feb 8, 2024.
Safety record in brief:No NTSB accidents or incidents since 19824 ADs may apply5 service difficulty reports
- Registration
- Deregistered
Registration
FAA Aircraft Registry · Oct 20, 2026- Last registered owner
- Individual owner
- City, state
- Xxx, OK
- Canceled
- Feb 8, 2024
- Airworthiness
- Standard · Normal
- Airworthiness date
- Jan 27, 1981
We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine
FAA Registry + type dataAirframe
- Manufacturer
- Cessna
- Model
- 421C
- Year
- 1980
- Serial number
- 421C1030
- Aircraft type
- Fixed wing multi engine
- Category
- Land
- Certification
- Type Certificated
- Seats
- 8
- Engines
- 2
- Max takeoff weight
- Up to 12,499 lb
- Mode S code
- A9000F
Engine
- Make and model
- Cont Motor Gtsi0-520-F-K
- Type
- Reciprocating
- Power
- 435 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 1967 – 1969PartnershipMilwaukee, WI · different airframe: Brantly B-2 S/N 16
- until 2024Individual ownerXxx, OK
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs published since 1998 that may apply (4)
These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2016-17-08 | Elevator Tab Control System | Sep 12, 2016 | Airframe (421C) |
| 2005-20-25 | The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411… | Nov 9, 2005 | Airframe (421C)Certain serial numbers: 401 655; 401 401-0001–401-0322; 401A 655; 401A 401A0001–401A0132; 401B 401B0001–401B0221; 402 402-0001–402-0322; …. Only with: Equipped with an avionics bus circuit breaker switch P/N CM3589-50, 593-250-101, 593-250-102, W31-X2M5A-50, or W31-X1000-50. |
| 2000-01-16 | Cessna Aircraft Company 300 and 400 Series Airplanes | Feb 15, 2000 | Airframe (421C) |
| 98-04-28 | Cessna Aircraft Company Models T303, 310R, T310R, 335, 340A, 402B, 402C, 404, F406, 414… | Mar 13, 1998 | Airframe (421C) |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (5)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
- Fuselage · spar · corrodedOct 9, 2020
INSPECTED REAR SPAR AND FOUND CORROSION ON AFT SPAR RT SIDE WHERE DOUBLE PLATE IS RIVETED TO SPAR. INTERGRANULAR CORROSION BETWEEN THE DOUBLE AND SPAR. ALSO NOTED RIVETS ARE POPPING OFF DUE TO THE SEVERE CORROSION.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · lifter · spalledMar 17, 2017
BOTTOM SURFACE OF LIFTERS SPALLING CAUSING DAMAGE TO CAMSHAFT.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · bearing · seizedApr 13, 2001
AT 25 HR OIL CHANGE, INTERVAL OIL WAS FOUND VENTING OUT THE RIGHT ENGINE OVERBOARD DRAIN AND THE OIL DRAINED FROM THE ENGINE HAD A METALLIC GLIMMER TO IT, ALTHOUGH CUTTING THE OIL FILTER DID NOT REVEAL ANY UNUSUAL AMOUNT OF METAL. OIL VENTING WAS TRACED TO ENGINE DRIVEN HYDRAULIC PUMP ACCESSORY…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 5 reportsShow fewer reports
- Reciprocating engine · drive shaft · seizedApr 13, 2001
AT 25 HR OIL CHANGE, INTERVAL OIL WAS FOUND VENTING OUT RIGHT ENGINE OVERBOARD DRAIN AND OIL DRAINED FROM ENGINE HAD METALLIC GLIMMER TO IT, ALTHOUGH CUTTING THE OIL FILTER DID NOT REVEAL ANY UNUSUAL AMOUNT OF METAL. OIL VENTING WAS TRACED TO ENGINE DRIVEN HYDRAULIC PUMP ACCY DRIVE. PUMP AND DRIVE…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · dampener · separatedJan 31, 1995
FOUND METAL IN OIL. FOUND REAR ACCESSORY CASE JOURNAL HOLDING STARTER ADAPTER SHAFT SEVERELY WORN AND WALLOWED OUT. VISCOUS DAMPENER SEPARATED FROM HUB.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026