N76MJ1981 Cessna 421C
Safety record in brief:No NTSB accidents or incidents since 19826 ADs may apply1 service difficulty report
Registration
FAA Aircraft Registry · Oct 16, 2026- Registered owner
- Jzw Aviation LLC
- Owner type
- LLC
- City, state
- North Salt Lake, UT
- Certificate issued
- Dec 28, 2017
- Expires
- Dec 31, 2027
- Airworthiness
- Standard
- Airworthiness date
- Oct 12, 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
- 1981
- Serial number
- 421C1204
- 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
- AA404B
Engine
- Make and model
- Cont Motor Tsio-520-N
- Type
- Reciprocating
- Power
- 310 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2017 – nowJzw Aviation LLCNorth Salt Lake, UT · current
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 16, 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 (6)
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) |
| 2012-10-13 | Continental Motors, Inc. (CMI) Reciprocating Engines | Jun 8, 2012 | Engine (TSIO-520-N)Only with: Starter adapter P/N 642085A17, 642085A18, 642085A19, 642085A20, 642085A22, 642085-1A1, R-642085A17, R-642085A18, R-642085A19, or R-642085A22 installed, where the engine was manufactured, or a new or rebuilt starter adapter installed, before November 20, 2011; IO-550-N only if turbo-normalized per STC SE10589SC. |
| 2009-16-03 | Teledyne Continental Motors (TCM) IO-520, TSIO-520, and IO-550 Series Reciprocating… | Sep 9, 2009 | Engine (TSIO-520-N)Only with: SAP investment cast cylinder assemblies P/Ns SA52000-A1, SA52000-A20P, SA52000-A21P, SA52000-A22P, SA52000-A23P, SA55000-A1, or SA55000-A20P installed. |
| 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) |
Show all 6 ADsShow fewer ADs
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 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 (1)
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.
- Reciprocating engine · engine · making metalSep 30, 2004
DURING OIL CHANGE (ROUTINE) FOUND BEARING MATERIAL COMING OUT OF SUMP PLUG. PIECES APPROX. .1250-.2500 INCH WIDE, .5 INCH LONG AND VARIOUS SMALLER PIECES. ENGINE WAS OVERHAULED 12/01/03: OWNER COMPLAINED OF VIBRATION FROM START. O/H SAID NORMAL. AFTER ENGINE CHANGE, VIBRATION WENT AWAY.…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 16, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 16, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026