# NTSB investigations: Lycoming HIO-360 series, 1994

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 FTW95LA039](https://openairdocs.org/ntsb/FTW95LA039.md): Hughes 269A · Monticello, AR · Accident · No injuries · Limited investigation · Final report · Nov 8, 1994 · N10415 · Substantial damage
  > The loss of engine power due to a fatigued rod end bolt. A factor was the lack of suitable terrain for landing.
- [NTSB CHI94LA316](https://openairdocs.org/ntsb/CHI94LA316.md): Schweizer 269C · Grand Forks, ND · Accident · No injuries · Limited investigation · Final report · Sep 7, 1994 · N61245 · Substantial damage
  > the pilot-in-command's (CFI) delayed recovery from a practice autorotation. A factor associated with the accident was the student pilot's improper autorotation.
- [NTSB ANC94LA132](https://openairdocs.org/ntsb/ANC94LA132.md): James Chisum CHISUM-SCRAPS · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Sep 7, 1994 · N1771C · Substantial damage
  > The failure of the pilot to maintain directional control of the airplane. Factors in the accident were the soft terrain and inadequate remedial action.
- [NTSB FTW94LA253](https://openairdocs.org/ntsb/FTW94LA253.md): Hughes 269A · Leander, LA · Accident · No injuries · Limited investigation · Final report · Aug 1, 1994 · N9062G · Substantial damage
  > Inadequate maintenance and a fatigue failure of a #1 cylinder connecting rod bolt. A factor was the lack of suitable terrain available to the pilot for a forced landing.
- [NTSB SEA94LA153](https://openairdocs.org/ntsb/SEA94LA153.md): Schweizer 269C · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · Jun 21, 1994 · N7506A · Substantial damage
  > The improper servicing of the skid shock struts.
- [NTSB FTW94GA204](https://openairdocs.org/ntsb/FTW94GA204.md): Hughes 269C · London, TX · Accident · Minor injuries · Final report · Jun 20, 1994 · N7404F · Destroyed
  > The partial power loss due to a sticking valve. Factors were the remaining worn lobes on the camshaft and the lack of suitable terrain onto which a successful forced landing could be executed.
- [NTSB ATL94LA100](https://openairdocs.org/ntsb/ATL94LA100.md): Schweizer 269C · Hiram, GA · Accident · Serious injuries · Limited investigation · Final report · May 16, 1994 · N160CA · Substantial damage
  > The inadvertent flight from VMC conditions to IMC conditions by the pilot. A factor in the accident was the ground fog in the area.
- [NTSB ATL94LA095](https://openairdocs.org/ntsb/ATL94LA095.md): Schweizer 300C · Randleman, NC · Accident · Serious injuries · Limited investigation · Final report · May 9, 1994 · N220MS · Substantial damage
  > The pilot's failure to adequately preflight the helicopter which resulted in a complete loss of engine power. A factor was water in the fuel supply.
- [NTSB CHI94LA138](https://openairdocs.org/ntsb/CHI94LA138.md): Schweizer 269C · Fargo, ND · Accident · Minor injuries · Limited investigation · Final report · Apr 21, 1994 · N3623Y · Substantial damage
  > the pilot in command's improper autorotation technique. A factor associated with the accident is the FAA Inspector's delayed remedial action.
- [NTSB LAX94LA201](https://openairdocs.org/ntsb/LAX94LA201.md): Schweizer 300C · Pacific Ocean (Pacific Ocean) · Accident · No injuries · Limited investigation · Final report · Apr 10, 1994 · N60718 · Substantial damage
  > The low altitude of the aircraft when the engine lost power and the pilot's misjudgement of the flare point during the autorotation. Factors in the accident were the loss of engine power and the sunglare.

## 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 year(c."eventDate") = 1994
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41524'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41524&year=1994

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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.
