# NTSB investigations: Continental GTSIO-520-C, 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 WPR13FA037](https://openairdocs.org/ntsb/WPR13FA037.md): Cessna 421C · Shaver Lake, CA · Accident · 2 fatal · Field investigation · Final report · Nov 11, 2012 · N700EM · Substantial damage
  > The pilot's failure to regain airplane control following a sudden rapid descent during cruise, which resulted in an in-flight breakup. Contributing to the accident was the pilot's decision to make the flight with a failed vacuum pump, particularly at high…
- [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 LAX08LA251](https://openairdocs.org/ntsb/LAX08LA251.md): Cessna TU206E · Murrieta, CA · Accident · No injuries · Limited investigation · Final report · Jul 31, 2008 · N1499M · Substantial damage
  > A malfunction of the flight control system and loss of engine power for undetermined reasons.
- [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 LAX05FA041](https://openairdocs.org/ntsb/LAX05FA041.md): Cessna 411 · Corona, CA · Accident · 2 fatal · Field investigation · Final report · Nov 25, 2004 · N747JU · Destroyed
  > A loss of engine(s) power for undetermined reasons. Also causal was the pilot's failure to maintain the airplane's minimum controllable airspeed (Vmc) during the initial climb following a loss of power in one engine, which resulted in a loss of aircraft…
- [NTSB LAX04LA284](https://openairdocs.org/ntsb/LAX04LA284.md): Cessna 206 · Truckee, CA · Accident · No injuries · Limited investigation · Final report · Jul 29, 2004 · N8622Z · Substantial damage
  > the pilot's inadequate compensation for the crosswind conditions and failure to maintain directional control of the airplane.
- [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 LAX03FA147](https://openairdocs.org/ntsb/LAX03FA147.md): Cessna 411 · Corona, CA · Accident · 1 fatal · Field investigation · Final report · May 4, 2003 · N1133S · Destroyed
  > The failure of the pilot to properly configure the airplane for a one engine inoperative condition (including his failure to feather the propeller of the affected engine, retract the landing gear, and maintain minimum single engine speed). Factors related to…
- [NTSB LAX03LA106](https://openairdocs.org/ntsb/LAX03LA106.md): Cessna 421C · Crescent City, CA · Accident · No injuries · Limited investigation · Final report · Mar 5, 2003 · N26533 · Substantial damage
  > The separation of the upper and lower right main landing gear scissor links due to improper maintenance, which resulted in a ground loop, and the collapse of the right main landing gear during the landing roll.
- [NTSB LAX02LA238](https://openairdocs.org/ntsb/LAX02LA238.md): Cessna T210F · Willits, CA · Accident · No injuries · Limited investigation · Final report · Jul 27, 2002 · N6776R · Substantial damage
  > the student pilot's misjudged, distance, and speed, and failure to attain the proper touchdown point.
- [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 LAX99FA225](https://openairdocs.org/ntsb/LAX99FA225.md): Cessna 402A · Van Nuys, CA · Accident · Minor injuries · Field investigation · Final report · Jun 23, 1999 · N186BA · Substantial damage
  > The pilot's inadequate fuel management that resulted in fuel exhaustion and the subsequent collision with vehicles during a forced landing on a city street.
- [NTSB LAX95FA297](https://openairdocs.org/ntsb/LAX95FA297.md): Beech D55 · Kingsburg, CA · Accident · 2 fatal · Field investigation · Final report · Aug 17, 1995 · N4884J · Destroyed
  > the failure of the pilot to maintain sufficient airspeed during a simulated engine failure to avoid an inadvertent stall/spin, and inadequate supervision by the designated pilot examiner. A factor in the accident was the decision of the examiner to use an…
- [NTSB LAX95LA232](https://openairdocs.org/ntsb/LAX95LA232.md): Cessna 401A · Van Nuys, CA · Accident · No injuries · Limited investigation · Final report · Jul 1, 1995 · N444RJ · Substantial damage
  > the failure of the wing rib web due to undetected cracking in an area of known crack development around the landing gear side brace fitting. The operator's failure to accomplish a Service Letter addressing the problem is a factor in the accident.
- [NTSB LAX91LA142](https://openairdocs.org/ntsb/LAX91LA142.md): Cessna 421 · El Monte, CA · Accident · No injuries · Limited investigation · Final report · Mar 23, 1991 · N4071L · Substantial damage
  > The pilot retracting the landing gear during the landing roll.
- [NTSB LAX88LA291](https://openairdocs.org/ntsb/LAX88LA291.md): Cessna T210K · Huntington Bch, CA · Accident · No injuries · Limited investigation · Final report · Jul 25, 1988 · N8273M · Substantial damage
  > During the landing roll, the pilot heard a loud bang on the right side of the airplane. When the pilot applied brakes and the speed dissipated, directional control was lost. The airplane veered of the runway and collided with a runway light. During an…
- [NTSB LAX85LA381](https://openairdocs.org/ntsb/LAX85LA381.md): Cessna 402A · San Jose, CA · Accident · No injuries · Limited investigation · Final report · Sep 4, 1985 · N4597Q · Substantial damage
  > The aircraft landed gear up. The pilot reported no malfunction and said he forget to lower the landing gear.
- [NTSB LAX85LA306](https://openairdocs.org/ntsb/LAX85LA306.md): Cessna 421A · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Jul 4, 1985 · N222CF · Substantial damage
  > During landing roll out the right main gear collapsed in an outward direction. Exam of the rt gear revealed that the bolt which is associated with the upper & lower gear torque links was missing. An exam of the left gear assembly revealed that the required…
- [NTSB LAX85FA238](https://openairdocs.org/ntsb/LAX85FA238.md): Beech V35A · Santa Monica, CA · Accident · No injuries · Field investigation · Final report · May 4, 1985 · N4RW · Destroyed
  > After deptg & climbing to 4500', the plt & his plt rated pax noted a fuel odor & returned to the arpt to land. Bfr lndg,the plt called the tower (twr), but didn't advise twr psnl of the fuel odor or of a psbl prblm. As the acft was turning off the rwy, fire &…
- [NTSB LAX83IA345](https://openairdocs.org/ntsb/LAX83IA345.md): Cessna 411 · Huntington Bch., CA · Incident · No injuries · Incident investigation · Final report · Jul 18, 1983 · N235UV · Minor damage
  > Pilot inadvertantly landed with gear up due to the distraction of making a short field landing.
- [NTSB LAX80FUG58](https://openairdocs.org/ntsb/LAX80FUG58.md): Cessna 421 · Palm Springs, CA · Accident · No injuries · Closed · Sep 19, 1980 · N4091L · Destroyed
- [NTSB LAX80FUQ22](https://openairdocs.org/ntsb/LAX80FUQ22.md): Cessna 421A · Lancaster, CA · Accident · No injuries · Closed · Aug 17, 1980 · N3138K · Substantial damage
- [NTSB LAX79FUA04](https://openairdocs.org/ntsb/LAX79FUA04.md): Cessna 210J · Lomita, CA · Accident · Minor injuries · Closed · Dec 12, 1978 · N2260R · Substantial damage
- [NTSB OAK78DXQ38](https://openairdocs.org/ntsb/OAK78DXQ38.md): Cessna 320 · Mammoth Lakes, CA · Accident · No injuries · Closed · Jul 27, 1978 · N6152Q · Substantial damage
- [NTSB OAK78FA020](https://openairdocs.org/ntsb/OAK78FA020.md): Cessna 411 · Chilcoot, CA · Accident · 4 fatal · Closed · Mar 3, 1978 · N3212R · Destroyed
- [NTSB LAX78DUM04](https://openairdocs.org/ntsb/LAX78DUM04.md): Cessna T207 · Calexico, CA · Accident · Minor injuries · Closed · Nov 24, 1977 · N91029 · Substantial damage
- [NTSB OAK77FVA27](https://openairdocs.org/ntsb/OAK77FVA27.md): Cessna 411 · Fresno, CA · Accident · No injuries · Closed · Apr 16, 1977 · N67280 · Substantial damage
- [NTSB LAX77DVA19](https://openairdocs.org/ntsb/LAX77DVA19.md): Cessna 411 · Porterville, CA · Accident · No injuries · Closed · Feb 17, 1977 · N4997T · Substantial damage
- [NTSB LAX76IL049](https://openairdocs.org/ntsb/LAX76IL049.md): Cessna 411 · Riverside, CA · Incident · No injuries · Closed · Jan 27, 1976 · N7360U · Minor damage
- [NTSB LAX75DUM28](https://openairdocs.org/ntsb/LAX75DUM28.md): Cessna 206B · Imperial, CA · Accident · No injuries · Closed · Jun 23, 1975 · N3414L · Substantial damage
- [NTSB OAK75DVA33](https://openairdocs.org/ntsb/OAK75DVA33.md): Cessna 210 · Sanger, CA · Accident · Minor injuries · Closed · Nov 3, 1974 · N5897F · 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
- [NTSB OAK74FVG39](https://openairdocs.org/ntsb/OAK74FVG39.md): Cessna 320F · Redding, CA · Accident · No injuries · Closed · Apr 9, 1974 · N6163Q · Substantial damage
- [NTSB LAX74FUG29](https://openairdocs.org/ntsb/LAX74FUG29.md): Cessna 206 · 29 Palms, CA · Accident · No injuries · Closed · Nov 2, 1973 · N4848F · Substantial damage
- [NTSB LAX71FUA02](https://openairdocs.org/ntsb/LAX71FUA02.md): Cessna 210 · Santa Ana, CA · Accident · No injuries · Closed · Jul 11, 1970 · N6729R · Substantial damage
- [NTSB OAK70AP038](https://openairdocs.org/ntsb/OAK70AP038.md): Cessna 150F · Sonora, CA · Accident · No injuries · Closed · Jan 25, 1970 · N3038X · 2 aircraft · Substantial damage
- [NTSB LAX70D0101](https://openairdocs.org/ntsb/LAX70D0101.md): Cessna T210H · Upland, CA · Accident · No injuries · Closed · Aug 22, 1969 · N3522F · Substantial damage
- [NTSB LAX67D0433](https://openairdocs.org/ntsb/LAX67D0433.md): Cessna 210 · Inyokern, CA · Accident · No injuries · Closed · Apr 29, 1967 · N6757R · 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.engine_model_code IN ('17035'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17035&state=CA

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.