# NTSB investigations: Cessna 421B, CA

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR17LA131](https://openairdocs.org/ntsb/WPR17LA131.md): Cessna 421B · Carlsbad, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 22, 2017 · N380AL · Substantial damage
  > The right main landing gear collapse for undetermined reasons.
- [NTSB WPR11IA213](https://openairdocs.org/ntsb/WPR11IA213.md): Cessna 421B · Truckee, CA · Incident · No injuries · Incident investigation · Final report · May 2, 2011 · N270CS · No damage
  > Fatigue failure of the right flap extend cable during the landing approach.
- [NTSB WPR10LA002](https://openairdocs.org/ntsb/WPR10LA002.md): Cessna 421B · San Simeon, CA · Accident · No injuries · Limited investigation · Final report · Oct 3, 2009 · N31KT · Substantial damage
  > The pilot's failure to follow the manufacturer’s checklist and set the parking brake.
- [NTSB SEA07CA224](https://openairdocs.org/ntsb/SEA07CA224.md): Cessna 421B · Oceanside, CA · Accident · No injuries · Data collection · Final report · Aug 8, 2007 · N968J · Substantial damage
  > The collapse of the right main landing gear during the landing roll for undetermined reason, which resulted in a loss of directional control and collision with a fence.
- [NTSB LAX07FA035](https://openairdocs.org/ntsb/LAX07FA035.md): Cessna 421B · Big Bear Lake, CA · Accident · 3 fatal · Field investigation · Final report · Nov 14, 2006 · N642BD · Destroyed
  > Failure of the turbine wheel shaft in the left turbocharger during the takeoff initial climb for undetermined reasons, and the pilot's failure to attain and maintain safe single engine airspeed that led to a loss of control.
- [NTSB LAX04FA031](https://openairdocs.org/ntsb/LAX04FA031.md): Cessna 421B · Kelso, CA · Accident · 5 fatal · Field investigation · Final report · Oct 29, 2003 · N444AM · Destroyed
  > The pilot's continued VFR flight into instrument conditions between cloud layers and with reduced visibility due to smoke that resulted in an in-flight loss of control from spatial disorientation, and the structural overload of the airframe during the…
- [NTSB LAX00LA004](https://openairdocs.org/ntsb/LAX00LA004.md): Cessna 421B · Montague, CA · Accident · No injuries · Limited investigation · Final report · Oct 5, 1999 · N69GP · Substantial damage
  > The collapse of the left main landing gear during the landing rollout for undetermined reasons, which resulted in the pilot's loss of directional control.
- [NTSB LAX92LA279](https://openairdocs.org/ntsb/LAX92LA279.md): Cessna 421B · Shelter Cove, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 5, 1992 · N929DB · Destroyed
  > The pilot's inadequate preflight inspection of the aircraft and his failure to ensure that the control surface locks were removed prior to flight.
- [NTSB LAX92FA260](https://openairdocs.org/ntsb/LAX92FA260.md): Cessna 421B · Monterey, CA · Accident · 3 fatal · Field investigation · Final report · Jun 24, 1992 · N628RJ · Destroyed
  > The owner/pilot's poor judgement in attempting an operation beyond his experience and ability, which resulted in his failure to attain an adequate climb profile necessary for terrain clearance. Also, the owner/pilot lacked instrument experience, and was…
- [NTSB LAX92LA055](https://openairdocs.org/ntsb/LAX92LA055.md): Cessna 421B · San Andreas, CA · Accident · No injuries · Limited investigation · Final report · Nov 29, 1991 · N421DP · Substantial damage
  > The pilot's inadequate preflight inspection and his failure to follow the airplane's checklist. A contributing factor was the dark night condition.
- [NTSB LAX90LA288](https://openairdocs.org/ntsb/LAX90LA288.md): Cessna 421 · Concord, CA · Accident · No injuries · Limited investigation · Final report · Aug 9, 1990 · N76SH · Substantial damage
  > The pilot's failure to follow the electrical system failure checklist. Contributing to this accident was the total electrical failure for undetermined reasons and the landing gear being unlocked.
- [NTSB LAX82FA006](https://openairdocs.org/ntsb/LAX82FA006.md): Cessna 421B · Camarillo, CA · Accident · 1 fatal · Closed · Oct 24, 1981 · N14AC · Destroyed
- [NTSB OAK79DVG24](https://openairdocs.org/ntsb/OAK79DVG24.md): Cessna 421 · Redding, CA · Accident · No injuries · Closed · Mar 19, 1979 · N1951G · Substantial damage
- [NTSB LAX75DUM08](https://openairdocs.org/ntsb/LAX75DUM08.md): Cessna 421B · Imperial, CA · Accident · No injuries · Closed · Oct 31, 1974 · N8007Q · Substantial damage
- [NTSB LAX74DVM31](https://openairdocs.org/ntsb/LAX74DVM31.md): Cessna 195 · Paso Robles, CA · Accident · No injuries · Closed · Jun 16, 1974 · N1YA · Substantial damage

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076014'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076014&state=CA

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