# NTSB investigations: Lycoming AEIO-540 series: Airframe/component/system failure/malfunction

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 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 DFW06LA094](https://openairdocs.org/ntsb/DFW06LA094.md): Aviation Specialties Unlimited Challenger II · Coushatta, LA · Accident · No injuries · Limited investigation · Final report · Apr 4, 2006 · N260HP · Destroyed
  > The loss of control due to premature failure of the elevator's push-pull tube rod-end bearing.
- [NTSB DFW05FA242](https://openairdocs.org/ntsb/DFW05FA242.md): Akro Tech Aviation Inc. Giles G-300 · Yukon, OK · Accident · 1 fatal · Field investigation · Final report · Sep 18, 2005 · N300NW · Destroyed
  > The catastrophic separation of the canopy as result of the failure of the forward canopy hinge while performing aerobatics and the subsequent incapacitation of the pilot.
- [NTSB NYC04LA140](https://openairdocs.org/ntsb/NYC04LA140.md): Aviat Pitts S2B · Hamilton, OH · Accident · No injuries · Limited investigation · Final report · Jun 13, 2004 · N963CB · Substantial damage
  > The pilot's failure to maintain directional control after experiencing a brake system malfunction during landing. Factors related to the accident were the malfunction of a landing gear brake as reported by the pilot, and the crosswind conditions.
- [NTSB ATL98LA022](https://openairdocs.org/ntsb/ATL98LA022.md): Christen Industries S-2B · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Nov 23, 1997 · N317JK · Substantial damage
  > The undetermined malfunction of the right brake and the pilot's failure to maintain directional control during the landing rollout. A factor was the quartering tailwind.
- [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 CHI95LA288](https://openairdocs.org/ntsb/CHI95LA288.md): de Havilland DHC-1 · Hammond, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 19, 1995 · N320WM · Destroyed
  > an overload failure of the right horizontal support tube assembly which the pilot/owner had modified to be adjustable. A factor in the accident was the corn.
- [NTSB MIA95LA129](https://openairdocs.org/ntsb/MIA95LA129.md): Pitts S-2B · Naples, FL · Accident · No injuries · Limited investigation · Final report · Apr 26, 1995 · N711BT · Substantial damage
  > The failure of the tail wheel landing gear system for undetermined reasons. This resulted in an on-ground loss of control on landing rollout, ground loop, and collapse of the right main landing gear.
- [NTSB MIA94LA171](https://openairdocs.org/ntsb/MIA94LA171.md): Pitts S2B · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Jul 4, 1994 · N61PS · Substantial damage
  > The poor welding quality of the manufacturer, resulting in the fatigue failure of the aileron attachment bracket.
- [NTSB MIA94LA154](https://openairdocs.org/ntsb/MIA94LA154.md): Pitts S2B · Keystone Height, FL · Accident · No injuries · Limited investigation · Final report · May 26, 1994 · N61PS · Substantial damage
  > The pilot-in-command's exceeding of the design limitations of the airplane.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41568')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41568&occurrence=130

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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.