# NTSB investigations: Continental IO-550 series, 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 WPR25FA277](https://openairdocs.org/ntsb/WPR25FA277.md): Lawson Thomas O Lancair Super ES · Mount Hamilton, CA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Sep 12, 2025 · N905ET · Destroyed
  > On September 12, 2025, about 1421 Pacific daylight time, an experimental amateur-built Lancair Super ES, N905ET, was destroyed when it was involved in an accident near Mount Hamilton, California. The pilot was fatally injured. The airplane was operated as a…
- [NTSB WPR24FA290](https://openairdocs.org/ntsb/WPR24FA290.md): Aero Commander 200D · Novato, CA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 31, 2024 · N2912T · Substantial damage
  > The pilot’s failure to abort takeoff or compensate for gusty crosswind conditions during takeoff, which resulted in a loss of control and subsequent runway excursion.
- [NTSB WPR24LA106](https://openairdocs.org/ntsb/WPR24LA106.md): Cirrus Design SR22 · Whitethorn, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 8, 2024 · N2824M · Substantial damage
  > A total loss of engine power due to water-contaminated fuel.
- [NTSB WPR24FA018](https://openairdocs.org/ntsb/WPR24FA018.md): Beech A36 · Covelo, CA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 21, 2023 · N8248K · Destroyed
  > The pilot’s failure to maintain clearance from trees after entering a steep banked turn for unknown reasons. Contributing to the accident was the pilot’s decision to take off toward rising terrain.
- [NTSB WPR20LA303](https://openairdocs.org/ntsb/WPR20LA303.md): Navion B · Van Nuys, CA · Accident · 2 fatal · Class 3 · Limited · Final report · Sep 11, 2020 · N37C · Destroyed
  > The pilot’s failure to maintain control of the airplane during an abrupt turn after takeoff at a low altitude, which resulted in an aerodynamic stall.
- [NTSB WPR20LA289](https://openairdocs.org/ntsb/WPR20LA289.md): Beech A36 · Redding, CA · Accident · 2 fatal · Class 3 · Limited · Final report · Aug 27, 2020 · N1550G · Destroyed
  > The pilot’s failure to recognize the airplane’s inadequate takeoff performance given the length of the available runway and to abort the takeoff, which resulted in a runway excursion.
- [NTSB WPR19FA212](https://openairdocs.org/ntsb/WPR19FA212.md): Wheeler Express Series 2000 · Camarillo, CA · Accident · 2 fatal · Class 3 · Field · Final report · Aug 7, 2019 · N43FD · Substantial damage
  > The pilot’s failure to maintain adequate airspeed on final approach, which resulted in exceedance of the airplane’s critical angle of attack and an aerodynamic stall at an altitude that precluded recovery.
- [NTSB WPR18FA088](https://openairdocs.org/ntsb/WPR18FA088.md): Hastings Thomas G Cirrus VK 30 · Agua Dulce, CA · Accident · 4 fatal · Field investigation · Final report · Feb 11, 2018 · N52TH · Substantial damage
  > The driveshaft fracture due to overstress loading and rotational bending as a result of the under-torqued nuts on the elastomeric couplings backing off and the subsequent in-flight separation of the horizontal fairing due to contact with the separated end of…
- [NTSB WPR18FA046](https://openairdocs.org/ntsb/WPR18FA046.md): Beech A36 · San Diego, CA · Accident · 2 fatal · Field investigation · Final report · Dec 10, 2017 · N248SB · Destroyed
  > A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR13CA104](https://openairdocs.org/ntsb/WPR13CA104.md): Cirrus Design SR22 · Torrance, CA · Accident · No injuries · Data collection · Final report · Jan 15, 2013 · N5384W · Substantial damage
  > The pilot’s improper landing flare, which resulted in a bounced landing.
- [NTSB WPR11FA230](https://openairdocs.org/ntsb/WPR11FA230.md): Cameron Lancair Legacy · Pioneer, CA · Accident · 1 fatal · Field investigation · Final report · May 18, 2011 · N121J · Substantial damage
  > The pilot’s continued flight into instrument meteorological conditions at an insufficient altitude to clear terrain.
- [NTSB WPR11FA021](https://openairdocs.org/ntsb/WPR11FA021.md): Cirrus Design SR-22 · Agua Dulce, CA · Accident · 3 fatal · Field investigation · Final report · Oct 21, 2010 · N427MC · Substantial damage
  > The non-instrument-rated pilot's improper decision to continue the flight into instrument meteorological conditions, which resulted in spatial disorientation and loss of control.
- [NTSB WPR10LA284](https://openairdocs.org/ntsb/WPR10LA284.md): Piper PA-46-310P · Ontario, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 10, 2010 · N121HJ · Substantial damage
  > A loss of engine power due to the in-flight separation of the 1-3-5 cylinder induction tube elbow, which was caused by the improper installation of the induction tube elbow by maintenance personnel.
- [NTSB WPR10LA063](https://openairdocs.org/ntsb/WPR10LA063.md): Budd Lancair Legacy · Watsonville, CA · Accident · 1 fatal · Limited investigation · Final report · Nov 21, 2009 · N7JX · Substantial damage
  > A loss of engine power due to oil starvation and the pilot's failure to maintain airspeed while approaching the landing area resulting in an aerodynamic stall, rapid descent, and collision with terrain.
- [NTSB WPR09FA347](https://openairdocs.org/ntsb/WPR09FA347.md): Raytheon G36 · Hawthorne, CA · Accident · 3 fatal · Field investigation · Final report · Jul 15, 2009 · N618MW · Substantial damage
  > The pilot’s failure to maintain an adequate airspeed during a go-around, which resulted in a loss of airplane control. Contributing to the accident was the inadvertent activation of the fuel boost pump during the attempted go-around.
- [NTSB WPR09LA237](https://openairdocs.org/ntsb/WPR09LA237.md): Cessna U206E · Oroville, CA · Accident · No injuries · Limited investigation · Final report · May 10, 2009 · N1457M · Substantial damage
  > A total loss of engine power during cruise flight due to an excessively lean mixture for undetermined reasons.
- [NTSB SEA08FA108](https://openairdocs.org/ntsb/SEA08FA108.md): Cirrus Design SR22 · Big Bear City, CA · Accident · 1 fatal · Field investigation · Final report · Apr 9, 2008 · N868PC · Destroyed
  > The pilot's failure to maintain altitude/clearance from mountainous terrain. Contributing to the accident were the mountainous terrain, the dark night condition, the turbulent wind condition, and the low clouds.
- [NTSB SEA08LA033](https://openairdocs.org/ntsb/SEA08LA033.md): Beech A36 · El Centro, CA · Accident · No injuries · Limited investigation · Final report · Nov 14, 2007 · N435M · Substantial damage
  > The failure of maintenance personnel to properly secure the #2 cylinder through bolts. A contributing factor was the lack of suitable terrain for landing.
- [NTSB LAX07FA258](https://openairdocs.org/ntsb/LAX07FA258.md): Raytheon A36 · Cameron Park, CA · Accident · 2 fatal · Field investigation · Final report · Aug 30, 2007 · N1098F · Substantial damage
  > The airplane's sudden encounter with a wind shift during the initial takeoff climb that resulted in degraded climb performance and a stall mush condition. Contributing to the accident was the airplane's over gross weight condition, high density altitude, the…
- [NTSB LAX06FA222](https://openairdocs.org/ntsb/LAX06FA222.md): Raytheon A36 · Somis, CA · Accident · 2 fatal · Field investigation · Final report · Jul 1, 2006 · N615M · Destroyed
  > a ground collision during an emergency landing for undetermined reasons.
- [NTSB LAX05LA109](https://openairdocs.org/ntsb/LAX05LA109.md): Cirrus Design SR22 · Half Moon Bay, CA · Accident · No injuries · Limited investigation · Final report · Mar 8, 2005 · N517SW · Substantial damage
  > The pilot's excessive braking during taxi that resulted in the right brake overheating and a fire. A factor in the accident was the pilot's continued operation with known deficiencies.
- [NTSB LAX05FA088](https://openairdocs.org/ntsb/LAX05FA088.md): Cirrus Design SR22 G2 · Norden, CA · Accident · 1 fatal · Field investigation · Final report · Feb 7, 2005 · N286CD · Destroyed
  > the pilot's in-flight loss of control following an inadvertent encounter with unforecast severe icing conditions. A factor in the accident was the inaccurate icing forecast developed by the NWS Aviation Weather Center.
- [NTSB LAX04LA227](https://openairdocs.org/ntsb/LAX04LA227.md): Beech A36 · Hollister, CA · Accident · No injuries · Limited investigation · Final report · May 30, 2004 · N6797Y · Substantial damage
  > the pilot's inadequate preflight inspection which failed to detect the mis-rigged elevator trim system, and the pilot's delay in aborting the takeoff.
- [NTSB LAX04LA016](https://openairdocs.org/ntsb/LAX04LA016.md): Beech A36 · Lancaster, CA · Accident · No injuries · Limited investigation · Final report · Oct 16, 2003 · N700TT · Substantial damage
  > A loss of engine power due to thermal fatigue failure of the first stage turbine wheel resulting in release of a section of its rim. The thermal fatigue was due to the engine exceeding its temperature limits during one or more start cycles.
- [NTSB LAX01IA241](https://openairdocs.org/ntsb/LAX01IA241.md): Beech A36 · Bakersfield, CA · Incident · No injuries · Incident investigation · Final report · Jun 27, 2001 · N808NH · No damage
  > During landing approach, mechanical binding of the elevator control cable occurred due to a contract mechanic's improper maintenance.
- [NTSB LAX01LA223](https://openairdocs.org/ntsb/LAX01LA223.md): Rudolph Venture · Grass Valley, CA · Accident · No injuries · Limited investigation · Final report · Jun 26, 2001 · N84V · Substantial damage
  > The pilot's failure to maintain directional control during the landing rollout.
- [NTSB LAX01LA095](https://openairdocs.org/ntsb/LAX01LA095.md): Beech A36 · Palo Alto, CA · Accident · No injuries · Limited investigation · Final report · Feb 9, 2001 · N3191A · Substantial damage
  > The pilot-in-command's delayed decision to go-around and his failure to maintain sufficient airspeed during the attempted go-around. His non-verification of the flap setting contributed to the accident.
- [NTSB LAX01LA012](https://openairdocs.org/ntsb/LAX01LA012.md): Tolle Venture Model 20 · Madera, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 12, 2000 · N353 · Substantial damage
  > The mechanical failure of a fuel sump tank check valve, during takeoff initial climb, that resulted in fuel starvation.
- [NTSB LAX00LA352](https://openairdocs.org/ntsb/LAX00LA352.md): Mooney M20S · San Carlos, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 28, 2000 · N68FM · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during an aborted landing.
- [NTSB LAX00FA093](https://openairdocs.org/ntsb/LAX00FA093.md): Gray Questair Venture · Sylmar, CA · Accident · 4 fatal · Field investigation · Final report · Feb 7, 2000 · N869DG · 2 aircraft · Destroyed
  > The pilots' inadequate visual lookout in visual conditions and class 'E' airspace. Contributing to the accident were the initial position report location and the approach speed of the Questair.
- [NTSB LAX00LA048](https://openairdocs.org/ntsb/LAX00LA048.md): Oehling Questair Venture · Auburn, CA · Accident · Serious injuries · Limited investigation · Final report · Dec 4, 1999 · N3QV · Substantial damage
  > The owner/builder's failure to properly bleed the brake system following replacement of the right brake line, which caused the right brake to not function and led to the pilot's inability to maintain directional control.
- [NTSB LAX99LA130](https://openairdocs.org/ntsb/LAX99LA130.md): Beech 58 · Atwater, CA · Accident · No injuries · Limited investigation · Final report · Mar 23, 1999 · N6BY · Substantial damage
  > the failure of the student to extend the landing gear and the flight instructor's inadequate supervision of the flight.
- [NTSB LAX98FA199](https://openairdocs.org/ntsb/LAX98FA199.md): Mooney M20R · Van Nuys, CA · Accident · 2 fatal · Field investigation · Final report · Jun 16, 1998 · N130RB · Destroyed
  > the non-instrument rated pilot's intentional VFR flight into instrument meteorological conditions. Factors were the low ceiling, drizzle, and fog.
- [NTSB LAX95FA341](https://openairdocs.org/ntsb/LAX95FA341.md): Beech A36 · Van Nuys, CA · Accident · Minor injuries · Field investigation · Final report · Sep 28, 1995 · N15278 · Substantial damage
  > the pilot's fuel mismanagement and failure to assure that an adequate supply of fuel was available. His lack of familiarity with the airplane's fuel system, overcofidence, the dark night, and the lack of a suitable landing area were factors in the accident.
- [NTSB LAX92LA038](https://openairdocs.org/ntsb/LAX92LA038.md): Questaire Venture · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · Nov 2, 1991 · N71T · Substantial damage
  > The pilot's inability to control the aircraft during the landing roll due to a failure of the left brake and nose wheel steering systems. The failure of the brake and steering systems was due to a deterioration of the 'o' ring seals caused by the use of…
- [NTSB LAX91LA107](https://openairdocs.org/ntsb/LAX91LA107.md): Questaire Venture · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · Feb 12, 1991 · N71T · Substantial damage
  > The failure of the fuel system vent check valve, which resulted in fuel starvation to the aircraft's engine.
- [NTSB LAX86LA259](https://openairdocs.org/ntsb/LAX86LA259.md): Beech A-36TC · San Rafael, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 20, 1986 · N3823A · Substantial damage
  > The acft stalled and collided with the ground initial during a takeoff initial climb. He indicated that he misjudged the stall buffet as turbulent airflow from a crosswind. The right wing dropped and the acft stalled. The plt also indicated the stall warning…
- [NTSB LAX83LA440](https://openairdocs.org/ntsb/LAX83LA440.md): Beech A36 · Redding, CA · Accident · No injuries · Limited investigation · Final report · Sep 15, 1983 · N67414 · Substantial damage
  > Reportedly, during the landing roll, the acft settled while the gear was in transit. At that time, the flaps were in the down position & were damaged. According to the plt, the gear lights were green. Later, he said that something may have gone wrong with the…
- [NTSB OAK79FXQ12](https://openairdocs.org/ntsb/OAK79FXQ12.md): Navion H · S Lake Tahoe, CA · Accident · No injuries · Closed · Feb 12, 1979 · N2503T · 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 ('17042'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17042&state=CA

---
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.