# NTSB investigations: Helio H-250, TX

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 DFW06CA116](https://openairdocs.org/ntsb/DFW06CA116.md): Heliotech H-250 · Woodville, TX · Accident · Minor injuries · Data collection · Final report · May 1, 2006 · N777LF · Substantial damage
  > The pilot's failure to maintain clearance with obstructions at the departure end of the airstrip during an aborted landing. A contributing factor was dusk light conditions.
- [NTSB FTW88LA155](https://openairdocs.org/ntsb/FTW88LA155.md): Helio H-250 · Tyler, TX · Accident · No injuries · Limited investigation · Final report · Aug 26, 1988 · N444FF · Destroyed
  > During flight, the engine stopped developing power. The fuel was feeding from the main tanks and the pilot attempted to transfer some fuel from the auxiliary tanks to the mains but was not able to get a restart. During the forced landing, 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."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4300302'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4300302&state=TX

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