# NTSB investigations: Helio H-295: Main gear collapsed

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 ANC93LA154](https://openairdocs.org/ntsb/ANC93LA154.md): Helio H-295 · Mt. Deborah, AK · Accident · No injuries · Limited investigation · Final report · Aug 15, 1993 · N42DC · Substantial damage
  > Failure of the right main landing gear leg due to the improper major repair performed on the gear leg by some unknown maintenance person(s).
- [NTSB MIA92LA187](https://openairdocs.org/ntsb/MIA92LA187.md): Helio HE29 · Lantana, FL · Accident · No injuries · Limited investigation · Final report · Sep 21, 1992 · N6DB · Substantial damage
  > The total failure of the landing gear tail wheel lock on landing roll out, resulting in an on ground loss of control (ground loop) and collapse of the left main landing gear.
- [NTSB LAX85LA127](https://openairdocs.org/ntsb/LAX85LA127.md): Helio H-295 · Lower Lake, CA · Accident · No injuries · Limited investigation · Final report · Jan 30, 1985 · N269E · Substantial damage
  > Plt attempted to abort a takeoff as the acft became airborne at aprx 40 mph. The right main gear collapsed when the acft touched down while it was yawed to the left.

## 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 ('4300802')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 191))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4300802&occurrence=191

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