N421WT1978 Cessna 421C
Safety record in brief:No NTSB accidents or incidents since 19824 ADs may apply2 service difficulty reports
Registration
FAA Aircraft Registry · Oct 17, 2026- Registered owner
- West One Holdings INC
- Owner type
- Corporation
- City, state
- Cheyenne, WY
- Certificate issued
- Aug 10, 2022
- Expires
- Aug 31, 2029
- Airworthiness
- Standard · Normal
- Airworthiness date
- Dec 19, 1978
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
- 1978
- Serial number
- 421C0620
- 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
- A5015C
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- 2022 – nowWest One Holdings INCCheyenne, WY · current
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 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 (2)
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.
- Ignition · block · destroyedJul 28, 2005
WHILE PERFORMING THE MAGNETO 500 HOUR INSPECTION, BRASS SHAVINGS WERE FOUND INSIDE THE MAGNETO HOUSING. FURTHER INVESTIGATION RVEALED EXCESSIVE (ROCKING) IN DISTRIBUTOR GEAR IN BLOCK CAUSED BY CENTER BEARING BEING LOOSE IN BLOCK. LOOSENESS AND PLAY ALLOWED GEAR FINGER TO CONTACT BLOCK POSTS. (K)
From FAA Service Difficulty Reports; matched by N-number and serial number. - Hydraulic power · sight gauge · splitJul 5, 1999
HYDRAULIC LEAK IN NOSE COMPARTMENT. INSPECTION REVEALED RESERVOIR SIGHT TUBE SPLIT AT TOP AND BOTTOM ATTACH TO RESERVOIR. TUBE WAS PURCHASED NEW AND INSTALLED APPROXIMATELY 50 HOURS BEFORE. TUBE ALSO REPLACED ON SECOND AIRCRAFT, SN 421C0236. INSPECTION REVEALED TUBE ALSO SPLIT ON THIS AIRCRAFT.…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026