N411MZ1980 Cessna 421C
Safety record in brief:No NTSB accidents or incidents since 19825 ADs may apply3 service difficulty reports
Registration
FAA Aircraft Registry · Oct 20, 2026- Registered owner
- Songbird Air LLC
- Owner type
- LLC
- City, state
- Lakewood, CO
- Certificate issued
- Jan 17, 2023
- Expires
- Jan 31, 2030
- Airworthiness
- Standard · Normal
- Airworthiness date
- Oct 10, 1980
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
- 421C1002
- 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
- A4D902
Engine
- Make and model
- Cont Motor Gtsio-520 Ser
- 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- 2023 – nowSongbird Air LLCLakewood, CO · 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 (5)
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) |
| 2007-05-15 | Teledyne Continental Motors GTSIO-520 Series Reciprocating Engines | Apr 16, 2007 | Engine (GTSIO-520 SER) |
| 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 (3)
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 · bearing · wornAug 10, 1998
DURING ROUTINE INSPECTION OF THE AIRCRAFT MAGNETO TO ENGINE TIME CHECK REVEALED 15 DEGREE DISCREPANCY. FURTHER INSPECTION FOUND MAGNETO CAMSHAFT LOOSE IN THE HOUSING. SUBMITTER STATES EXTREME WEAR OF CAM BEARING DUE TO INADEQUATE LUBRICATION OF BEARING DURING O/H BUILD-UP AT ELECTROSYSTEMS.…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Ignition · bearing · wornAug 10, 1998
DURING ROUTINE INSPECTION OF THE AIRCRAFT, MAGNETO TO ENGINE TIME CHECK REVEALED 15 DEGREE DISCREPANCY. FURTHER INSPECTION FOUND MAGNETO CAMSHAFT LOOSE IN THE HOUSING. SUBMITTER STATES EXTREME WEAR OF CAM BEARING DUE TO INADEQUATE LUBRICATION OF BEARING DURING OVERHAUL BUILD-UP AT ELECTROSYSTEMS.…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · starter drive · wornJan 27, 1997
STARTER DRIVE GEAR WEAR UNACCEPTABLE IAW TELEDYNE CONTINENTAL CSB 94-4 EVEN THOUGH THE SERVICE KIT REQUIRED BY TCM CSB 94-4 HAD BEEN PREVIOUSLY INSTALLED AT ENGINE OVERHAUL. SUBMITTER SUGGESTED CSB 94-4 MAY NOT BE SUFFICIENT. RECOMMENDED FLEET DATA BE EXAMINATED TO DETERMINE NUMBER AND FREQUENCY…
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