# NTSB investigations: Enstrom Helicopter 280C, MI

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 CHI02LA256](https://openairdocs.org/ntsb/CHI02LA256.md): Enstrom 280C · Coopersville, MI · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2002 · N51689 · Substantial damage
  > The pilot's failure to maintain clearance from the transmission wires. Additional factors were the transmission wires and the sunglare.
- [NTSB CHI96LA205](https://openairdocs.org/ntsb/CHI96LA205.md): Enstrom 280C · Lambertville, MI · Accident · No injuries · Limited investigation · Final report · Jun 15, 1996 · N557H · Substantial damage
  > a total loss of engine power as a result of fuel exhaustion due to the pilot's inadequate preflight, and the pilot's misjudged distance/altitude during the subsequent autorotation. A factor was inadequate maintenance and inspection.
- [NTSB CHI83LA436](https://openairdocs.org/ntsb/CHI83LA436.md): Enstrom 280C · Pontiac, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 21, 1983 · N5692L · Substantial damage
  > While returning from a traffic reporting flt, the plt elected to practice an autorotation. He stated that while he was in the process, the eng failed. He reported that he had initiated standard autorotation procedures, but impacted hard during the 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."eventStateOrRegion" = 'MI' 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 ('3300505'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3300505&state=MI

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