# NTSB investigations: Fetters Dennis L MINI 500

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 CHI95FA242](https://openairdocs.org/ntsb/CHI95FA242.md): Revolution Helicopter MINI-500 · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Jul 27, 1995 · N500ZZ · Substantial damage
  > the inadequate design of the helicopter skid shoes. Factors related to the accident were: false indications of rotor rpm and EGT which led to seizure of the piston.
- [NTSB CHI92DCG04](https://openairdocs.org/ntsb/CHI92DCG04.md): Dennis L. Fetters Mini 500 · Missouri City, MO · Accident · No injuries · Final report · Jun 25, 1992 · N500ZZ · Substantial damage
  > An improper connecting rod assembly resulting in mechanical binding between the rod and the engine crankshaft.

## 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 ('13015HW'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=13015HW

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