# NTSB investigations: Enstrom F-28A, IN

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 CHI06LA021](https://openairdocs.org/ntsb/CHI06LA021.md): Enstrom F-28A · Portland, IN · Accident · No injuries · Limited investigation · Final report · Oct 30, 2005 · N266Q · Substantial damage
  > The pilot's decision to operate the helicopter with a known engine deficiency, the loss of engine power due to the connecting rod failure, and the pilot's failure to maintain directional control during landing. A factor to the accident was the corn crop and…
- [NTSB CHI87LA072](https://openairdocs.org/ntsb/CHI87LA072.md): Enstrom F-28A · Martinsville, IN · Accident · No injuries · Limited investigation · Final report · Jan 31, 1987 · N9257 · Destroyed
  > While landing to the east the plt was blinded by the sun and the acft struck telephone wires.
- [NTSB CHI84IA294](https://openairdocs.org/ntsb/CHI84IA294.md): Enstrom F-28A · Muncie, IN · Incident · No injuries · Incident investigation · Final report · Jul 3, 1984 · N13CM · Minor damage
  > According to the plt, he was in a 20 deg left bank with an airspeed of about 40 KTS when the helicopter began rotation to the right. He entered an autorotation & landed with a forward speed of about 5 KTS. An exam revealed that the tail rotor drive shaft had…
- [NTSB CHI77FEX16](https://openairdocs.org/ntsb/CHI77FEX16.md): Enstrom F28A · Mitchell, IN · Accident · No injuries · Closed · Mar 19, 1977 · N9595 · Substantial damage

## 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" = 'IN' 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 ('3300406'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3300406&state=IN

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