# NTSB investigations: Lycoming HIO-360 series, IN

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 CHI08CA020](https://openairdocs.org/ntsb/CHI08CA020.md): Schweizer 269C · Hazelton, IN · Accident · Serious injuries · Data collection · Final report · Dec 5, 2007 · N75068 · Substantial damage
  > The pilot's failure to maintain adequate main rotor speed during the intentional autorotation, and his subsequent inability to reduce the descent rate prior to impact. A contributing factor was the intentional autorotation initiated by the pilot.
- [NTSB CHI06TA148](https://openairdocs.org/ntsb/CHI06TA148.md): Schweizer 269C · Schererville, IN · Accident · Minor injuries · Final report · Jun 6, 2006 · N54LC · Substantial damage
  > The pilot's improper autorotation following an actual loss of engine power during a practice autorotation, which resulted in a hard landing. A factor associated with the accident was the loss of engine power at the beginning of the practice autorotation for…
- [NTSB CHI04LA032](https://openairdocs.org/ntsb/CHI04LA032.md): Hughes TH-55A · West Lafayette, IN · Accident · Serious injuries · Limited investigation · Final report · Nov 18, 2003 · N9240D · Substantial damage
  > The fractured cluster fitting resulting in a loss of directional control during initial climb and the improper repair of cluster fitting by unknown personnel. The night conditions were a contributing factor.
- [NTSB CHI01FA257](https://openairdocs.org/ntsb/CHI01FA257.md): Schweizer 269C · Waterloo, IN · Accident · 2 fatal · Field investigation · Final report · Aug 5, 2001 · N6129M · Substantial damage
  > Aircraft control not maintained for undetermined reasons.
- [NTSB CHI98LA332](https://openairdocs.org/ntsb/CHI98LA332.md): Schweizer 269C · Decker, IN · Accident · No injuries · Limited investigation · Final report · Sep 4, 1998 · N75068 · Substantial damage
  > The pilot's failure to maintain obstacle clearance resulting in a collision with a fence.
- [NTSB CHI91LA048](https://openairdocs.org/ntsb/CHI91LA048.md): Hughes 269A · Sellersburg, IN · Accident · No injuries · Limited investigation · Final report · Dec 26, 1990 · N90270 · Substantial damage
  > A pilot induced loss of engine power by inadvertent deactivation of the fuel mixture control.
- [NTSB CHI87LA072](https://openairdocs.org/ntsb/CHI87LA072.md): Enstrom F-28A · Martinsville, IN · Accident · No injuries · Limited investigation · Final report · Jan 31, 1987 · N9257 · Destroyed
  > While landing to the east the plt was blinded by the sun and the acft struck telephone wires.
- [NTSB CHI86LA127](https://openairdocs.org/ntsb/CHI86LA127.md): Hughes 269A · Ft. Wayne, IN · Accident · Minor injuries · Limited investigation · Final report · Apr 23, 1986 · N8752F · Destroyed
  > Approx 10-15 minutes after takeoff the student pilot lost control of the helicopter and crash landed into trees. Following the accident, the only unusual thing FAA personnel could locate was a failed horizontal stabilizer spar. Post-crash examination of the…
- [NTSB CHI78FEX16](https://openairdocs.org/ntsb/CHI78FEX16.md): Enstrom F28C · Wheatland, IN · Accident · No injuries · Closed · May 8, 1978 · N51684 · 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" = 'IN' 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 ('41524'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.