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Cessna 421C

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Aircraft model · Fixed wing multi engine · Airplane · registry codes 2076016, 2076017

Manufacturer (registry)
CESSNA
Model
421C
Registry codes
2076016, 2076017
Registered
496 aircraft
Type
Fixed wing multi engine
Engines
2 · Reciprocating
Seats
8
Weight class
Up to 12,499 lb
Cruise speed
90 mph
Certification
Type certificated
Data sheet
TCDSA7CE
Holder
Textron Aviation Inc.

Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker. The FAA lists this model under more than one registry code, usually for different spellings of the maker. This page covers them all.

On this page

Aircraft by year built · 655

1975Registered nowDeregistered2026

Airworthiness directives that may apply · 33

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1972In forceSuperseded2026
See all 36 ADs
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duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('2076016', '2076017'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Information bulletins that may apply · 10

Historical bulletins · 2
SAIB CE-14-11Landing Gear; Nose Landing Gear TrunnionsIssued Feb 25, 2014SAIB CE-11-29Flight Control SystemIssued Apr 22, 2011
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duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('2076016', '2076017'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 496

N100AZNnww Holdings LLC · San Angelo, TXS/N 421C1051N100LCozumel Leasing LLC · Wilmington, DEBuilt 1977 · S/N 421C0313N101TAHatch Hyrum G · Gilbert, AZBuilt 1977 · S/N 421C0331
See all 496 registered aircraft
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duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('2076016', '2076017')
  ORDER BY n_number"

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STCs approved for this model · 261

STC SA00015SEInstallation of a vortex generator system on wing and vertical tail.Aeronautical Testing Service Inc.STC SA00057SEInstallation of emergency medical stretcher, oxygen, and electrical systems.LifePort LLCSTC SA00061LAInstallation of JPI digital tachometer.J P Instruments
See all 261 STCs
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duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date
  FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s
  WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = '421C')
  ORDER BY s.status = 'Current' DESC, s.stc_number"

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NTSB investigations · 144

Aircraft matched to this model through the registry, by N-number and event date.

Defining event, 2008 on

Of 41 cases NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

First occurrence, 1982 to 2007

Of 84 cases with NTSB’s older coding, defined in its coding manual.

NTSB ERA26LA314Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 421 · Fulton, KYThe misfuelling of the airplane by the refueler. Contributing to the accident was the pilot’s failure to verify that the airplane had been properly fueled prior to departing on the accident flight.Aug 21, 2026 · N28RH · Substantial damageNTSB CEN26LA179Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 421C · Kirksville, MOOn May 4, 2026, about 1759 central daylight time, a Cessna 421C airplane, N6161X, was substantially damaged during an accident near Kirksville, Missouri. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91…May 4, 2026 · N6161X · Substantial damageNTSB CEN26FA174Accident · 5 fatalClass 3 · FieldPreliminary reportCessna 421 · Wimberley, TXOn April 30, 2026, about 2303 central daylight time, a Cessna 421C airplane, N291AN, was destroyed when it was involved in an accident near Wimberley, Texas. The private pilot and four passengers were fatally injured. The airplane was operated under the…May 1, 2026 · N291AN · Destroyed
See all 144 investigations
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('2076016', '2076017')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

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FAA incident reports · 338

Matched to this model through the registry, by N-number and event date.

Incident 20260712010879ICessna 421 · Chino, CAAircraft was repositioned to operators hanger with the landing gear down and locked. Propeller tips on both engine are curled aft. Visual inspection of aircraft conducted in operator's hanger. Both main landing gear assembly reflected no damage and appeared…Jul 12, 2026 · N826CM · Substantial damageIncident 20260605006829ICessna 421C · Leesburg, FLOn departure roll from runway 13. The aircraft exited the runway approximately 200’ after departure roll with an immediate left turn into the grass, clear of the runway.Jun 5, 2026 · N438EL · No damageAccident 20260430010699ACessna 421C · Wimberley, TXOn April 30 2026, at approximately 21:11 local time, [privacy data omitted], a Cessna 421 departed H81 river falls airport, amarillo, Texas, on a part 91 IFR flight with the destination of kbaz new braunfels regional airport with an estimated arrival time of…Apr 30, 2026 · N291AN · Destroyed · 5 fatal
See all 338 incident reports
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duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('2076016', '2076017')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Service difficulty reports · 427

SDR 2026FA0000551Gasket · degradedFAILED GASKET PN: 5154056-2 FOR THE AC COMPRESSOR, RESULTING IN A SEVERE ENGINE OIL LEAK, SPRAYING ENGINE OIL ON THE EXHAUST SYSTEM.Jun 30, 2026 · N68685 · Cessna 421C · Cabin Cooling SystemSDR 2026FA0000506Angle · crackedLEFT HAND UPPER ANGLE AT WING ROOT AND FUSELAGE CRACKS UNDER PRESSURIZATION/DEPRESSURIZATION WITH FLEX.Jun 10, 2026 · N543PM · Cessna 421C · Fuselage, Wing Attach FittingsSDR 2026FA0000505Wheel · cracked3-PIECE NOSE GEAR WHEEL ASSEMBLY CRACKS ON MIDDLE HUB ASSEMBLY #D30321.Jun 10, 2026 · N543PM · Cessna 421C · Wheel/Ski/Float
See all 427 difficulty reports
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '421C'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.