# NTSB investigations: Enstrom F-28F, IL

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 CHI98LA166](https://openairdocs.org/ntsb/CHI98LA166.md): Enstrom F28 · West Chicago, IL · Accident · No injuries · Limited investigation · Final report · May 14, 1998 · N86238 · Substantial damage
  > the student pilot attempting a tailwind landing and improper compensation for the wind resulting in too high of a sink rate and the hard landing.
- [NTSB CHI97FA025](https://openairdocs.org/ntsb/CHI97FA025.md): Enstrom F28F · Gutherie, IL · Accident · 3 fatal · Field investigation · Final report · Nov 11, 1996 · N86214 · Destroyed
  > the pilot's inadequate preflight preparation and not maintaining control of the helicopter during its rearward flight. A factor was the pilot's over-confidence in his personal ability.
- [NTSB CHI91LA154](https://openairdocs.org/ntsb/CHI91LA154.md): Enstrom F28 · Hampshire, IL · Accident · No injuries · Limited investigation · Final report · May 11, 1991 · N86214 · Substantial damage
  > Aircraft control was not maintained when the aircraft encountered an uncotrolled descent by the pilot. Remedial action by the pilot was inadequate. A factor related to the acident was lack of total experience in type of aircraft by the pilot.

## 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" = 'IL' 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 ('3300412'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3300412&state=IL

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