# NTSB investigations: Lycoming AEIO-540 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 WPR22LA153](https://openairdocs.org/ntsb/WPR22LA153.md): Stoddard Hamilton Glasair Super II · Oxnard, CA · Accident · No injuries · Class 4 · Limited · Final report · Apr 16, 2022 · N90YY · Substantial damage
  > The pilot’s failure to maintain airplane control while on final approach, which resulted in a collision with a runway approach light.
- [NTSB WPR21LA076](https://openairdocs.org/ntsb/WPR21LA076.md): Extra Flugzeugbau EA 300/L · Santa Monica, CA · Accident · No injuries · Class 4 · Limited · Final report · Jan 3, 2021 · N52NL · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop.
- [NTSB WPR20CA174](https://openairdocs.org/ntsb/WPR20CA174.md): Extra EA 300 · Concord, CA · Accident · No injuries · Class 4 · Data collection · Final report · Apr 12, 2020 · N111XW · Substantial damage
  > The pilot's loss of directional control during the landing roll, which resulted in a ground loop.
- [NTSB GAA16CA127](https://openairdocs.org/ntsb/GAA16CA127.md): Cessna 150 · Santa Paula, CA · Accident · No injuries · Data collection · Final report · Feb 12, 2016 · N704SL · 2 aircraft · Substantial damage
  > The tailwheel pilot's failure to see and avoid a stationary airplane performing a run-up, which resulted in a ground collision.
- [NTSB WPR14LA329](https://openairdocs.org/ntsb/WPR14LA329.md): Christen Industries Pitts S 2B · Oceanside, CA · Accident · No injuries · Limited investigation · Final report · Aug 5, 2014 · N88EW · Substantial damage
  > The total loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot’s inadequate fuel planning.
- [NTSB WPR14LA025](https://openairdocs.org/ntsb/WPR14LA025.md): Aviat S2 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · Oct 20, 2013 · N15TA · 2 aircraft · Substantial damage
  > Failure of the pilots of the Pitts airplane to maneuver the airplane as necessary to observe the taxi route and avoid the Cessna airplane ahead. Contributing to the accident was the local controller's failure to provide the required warning of traffic ahead…
- [NTSB WPR12LA407](https://openairdocs.org/ntsb/WPR12LA407.md): Moore Edward R MXS · Borrego Springs, CA · Accident · 1 fatal · Limited investigation · Final report · Sep 8, 2012 · N21MX · Substantial damage
  > The pilot’s inability to maintain control of the airplane following the loss of aileron and elevator control due to the forward flight control torque tube assembly’s detachment from the forward bearing. Contributing to the accident was the inadequate…
- [NTSB WPR12FA155](https://openairdocs.org/ntsb/WPR12FA155.md): Extra Flugzeugbau EA-300 · Salinas, CA · Accident · 2 fatal · Field investigation · Final report · Apr 8, 2012 · N45R · Substantial damage
  > A loose portable XM-GPS antenna that migrated to the tail section of the airplane and jammed the elevator bell crank. Contributing to the accident was the pilot’s failure to account for the cockpit portable GPS antenna during preflight or postflight…
- [NTSB WPR11LA458](https://openairdocs.org/ntsb/WPR11LA458.md): Aviat Pitts S-2B · Redlands, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 2011 · N46BT · Substantial damage
  > The pilot’s failure to maintain airspeed while maneuvering, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s impairment from alcohol.
- [NTSB WPR09LA203](https://openairdocs.org/ntsb/WPR09LA203.md): Extra EA-300 · Santa Barbara, CA · Accident · 1 fatal · Limited investigation · Final report · Apr 20, 2009 · N101PK · Substantial damage
  > The pilot's failure to maintain clearance with terrain for undetermined reasons while performing aerobatics.
- [NTSB LAX06LA262](https://openairdocs.org/ntsb/LAX06LA262.md): Extra Flugzeugbau EA-300 · Mojave, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 16, 2006 · N12DW · Substantial damage
  > the pilot's failure to maintain an adequate airspeed while performing low-level aerobatics that resulted in an inadvertent accelerated stall and in-flight collision with terrain.
- [NTSB LAX06LA190](https://openairdocs.org/ntsb/LAX06LA190.md): Aviat Pitts S-2B · Antioch, CA · Accident · No injuries · Limited investigation · Final report · Jun 3, 2006 · N117PS · Substantial damage
  > The loss of oil pressure due to metal pieces from the number 5 piston skirt in the oil system, which prevented the oil valve top ball valve from seating. The muddy terrain was a factor.
- [NTSB ANC06LA026](https://openairdocs.org/ntsb/ANC06LA026.md): Extra Flugzeugbau 300S · Greenfield, CA · Accident · 1 fatal · Limited investigation · Final report · Mar 21, 2006 · N124X · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the base leg to final approach phase of a VFR landing pattern, which resulted in an inadvertent stall and an uncontrolled descent. A factor contributing to the accident was the inadvertent stall/mush.
- [NTSB LAX04LA039](https://openairdocs.org/ntsb/LAX04LA039.md): Zivko Edge 540-T · King City, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 11, 2003 · N540RC · Substantial damage
  > The after market manufacturer's improper application of a crankshaft, which exceeded the original manufacturer's intended use. A factor in the accident was the oil covering the windscreen, which restricted the pilot's ability to see.
- [NTSB LAX03CA287](https://openairdocs.org/ntsb/LAX03CA287.md): Aviat Pitts S-2C · Mountain View, CA · Accident · Minor injuries · Data collection · Final report · Sep 13, 2003 · N57BC · Substantial damage
  > the pilot's failure to maintain an adequate clearance with the runway during a low altitude aerobatic maneuver.
- [NTSB LAX03LA081](https://openairdocs.org/ntsb/LAX03LA081.md): Pitts S-2B · Long Beach, CA · Accident · Serious injuries · Limited investigation · Final report · Feb 1, 2003 · N300PS · Substantial damage
  > The pilot's excessive pull up, which resulted in a failure to obtain/maintain flying speed and a subsequent stall/mush.
- [NTSB LAX02LA074](https://openairdocs.org/ntsb/LAX02LA074.md): Aviat Pitts S-2B · Hawthorne, CA · Accident · No injuries · Limited investigation · Final report · Feb 2, 2002 · N300PS · Substantial damage
  > Failure of the student to maintain directional control of the airplane on the landing rollout and failure of the CFI to adequately supervise the flight. A contributing factor was the decreased tension of the right main landing gear shock cord/bungee.
- [NTSB LAX02FA003](https://openairdocs.org/ntsb/LAX02FA003.md): Edge 540 · San Juan Capist, CA · Accident · 1 fatal · Field investigation · Final report · Oct 11, 2001 · N541TW · Destroyed
  > the pilot's failure to maintain an adequate terrain/object altitude clearance while intentionally performing low level aerobatics, which resulted in a loss of aircraft control.
- [NTSB LAX99LA103](https://openairdocs.org/ntsb/LAX99LA103.md): Zivko Aeronautics Edge 540 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · Feb 19, 1999 · N9ND · Substantial damage
  > The manufacturer's inadequate quality control procedures, which allowed an improperly manufactured crankshaft to be shipped, resulting in the separation of one counterweight from the crankshaft lug and the subsequent catastrophic internal failure of the…
- [NTSB LAX98LA150](https://openairdocs.org/ntsb/LAX98LA150.md): Pitts S-2B · Greenfield, CA · Accident · No injuries · Limited investigation · Final report · Apr 23, 1998 · N6027V · Substantial damage
  > The pilot's failure to maintain directional control. A related factor was the proximity of high brush located on both sides of the runway.
- [NTSB LAX96LA232](https://openairdocs.org/ntsb/LAX96LA232.md): Moore Goshawk 350 · Livermore, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 17, 1996 · N345RM · Destroyed
  > an overstress failure of the left rudder cable.
- [NTSB LAX93LA359](https://openairdocs.org/ntsb/LAX93LA359.md): Christen Industries Pitts S-2B · Hawthorne, CA · Accident · No injuries · Limited investigation · Final report · Sep 20, 1993 · N88EW · Substantial damage
  > dual student's failure to maintain directional control and improper use of the rudder and the CFI's inadequate supervision of the flight.

## 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 ('41568'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41568&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.