# NTSB investigations: Helio H-700

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 ANC95LA039](https://openairdocs.org/ntsb/ANC95LA039.md): Helio H700 · Deadhorse, AK · Accident · No injuries · Limited investigation · Final report · Mar 26, 1995 · N4059H · Substantial damage
  > An overload failure of the right main gear retention/limit cable bracket bolts and installation of non-standard bolt hardware by other maintenance personnel. The pilot's failure to abort the takeoff was a factor in the accident.
- [NTSB ANC94LA107](https://openairdocs.org/ntsb/ANC94LA107.md): Helio H-700 · Tok, AK · Accident · No injuries · Limited investigation · Final report · Aug 13, 1994 · N4059H · Substantial damage
  > The partial failure of the airplane's normal brake system.
- [NTSB NYC93LA038](https://openairdocs.org/ntsb/NYC93LA038.md): Helio H-700 · Shelton, CT · Accident · 1 fatal · Limited investigation · Final report · Dec 6, 1992 · N50DV · Substantial damage
  > The pilot's failure to check the position of the landing gear before attempting a water landing.

## 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.aircraft_model_code IN ('4300400'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4300400

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