# NTSB investigations: Lycoming HIO-360 series, MN

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 CEN16LA303](https://openairdocs.org/ntsb/CEN16LA303.md): Hughes 269A · Morris, MN · Accident · No injuries · Limited investigation · Final report · Jul 29, 2016 · N269JB · Substantial damage
  > The pilot's failure to maintain clearance from terrain due to his distraction by the navigation system.
- [NTSB CHI01LA215](https://openairdocs.org/ntsb/CHI01LA215.md): Schweizer 269C · Walker, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 15, 2001 · N61434 · Substantial damage
  > the loss of engine power for undetermined reasons during takeoff. Factors were the vehicles, the unsuitable terrain the pilot encountered, and the low altitude of the helicopter at the time of the loss of engine power.
- [NTSB CHI86FER03](https://openairdocs.org/ntsb/CHI86FER03.md): Hughes 269A (TH-55A) · Lakeville, MN · Accident · Minor injuries · Final report · Mar 29, 1986 · N10415 · Destroyed
  > The CFI reported the accident occurred during a demonstration of wind effect during turns around a point. The CFI reported that as the helicopter was turned downwind it began descending from an alt of aprx 200 ft AGL. It continued it's descent until the right…
- [NTSB CHI85LA352](https://openairdocs.org/ntsb/CHI85LA352.md): Hughes 269A · Hector, MN · Accident · No injuries · Limited investigation · Final report · Aug 18, 1985 · N8777F · Substantial damage
  > After liftoff from an open field, on a short local flight the helicopter experienced fuel exhaustion. During the auto rotation landing, in an open field the helicopter rolled on the side.
- [NTSB MKC76DER77](https://openairdocs.org/ntsb/MKC76DER77.md): Enstron F-28 · Ortonville, MN · Accident · Minor injuries · Closed · Jul 4, 1976 · N625H · Substantial damage
- [NTSB MKC67A0080](https://openairdocs.org/ntsb/MKC67A0080.md): Hughes 269B · Fairmont, MN · Accident · Minor injuries · Closed · Jun 15, 1967 · N9419F · 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" = 'MN' 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=MN

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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.