N9RZCessna 421C
Safety record in brief:No NTSB accidents or incidents since 19824 ADs may apply2 service difficulty reports
Registration
FAA Aircraft Registry · Oct 20, 2026- Registered owner
- Chapman INC
- Owner type
- Corporation
- City, state
- Sherman, TX
- Certificate issued
- Nov 3, 2020
- Expires
- Nov 30, 2027
- Airworthiness
- Standard · Normal
- Airworthiness date
- Jan 5, 1977
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
- Serial number
- 421C0236
- 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
- AC6C09
Engine
- Type
- Reciprocating
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2020 – nowChapman INCSherman, TX · current
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 (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.
- Turbochargers · actuator · damagedDec 14, 2000
DURING FLIGHT, OIL AND SMOKE REPORTED BY PILOT FROM LT ENGINE. ENGINE WAS SHUT DOWN AND AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. INSPECTION REVEALED OIL LEAKAGE FROM WASTEGATE ACTUATOR. OIL INLET FITTING LOOSE IN ACTUATOR DUE TO STRIPPED THREADS IN ACTUATOR HOUSING. SEAL REPLACED AT FITTING 788.9…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · bolt · brokenJul 27, 1998
LEFT ENGINE DEVELOPED OIL LEAK IN-FLIGHT. RETURNED TO BASE WITH NO PROBLEMS. FOUND HOLE IN NR 3 CYLINDER VALVE COVER. REMOVED VALVE COVER AND FOUND BOTH ROCKER SHAFT RETAINING BOLTS BROKEN. TIME ON PARTS SINCE ASSEMBLY AFTER REPAIR, 96.6 HOURS.
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