# NTSB investigations: Enstrom F-28F, OR

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 GAA16LA100](https://openairdocs.org/ntsb/GAA16LA100.md): Enstrom F-28 · Ritter Butte, OR · Accident · Serious injuries · Limited investigation · Final report · Jan 13, 2016 · N756H · Substantial damage
  > The pilot’s improper fuel management, which resulted in a total loss of engine power due to fuel exhaustion and subsequent impact with terrain.
- [NTSB LAX07LA106](https://openairdocs.org/ntsb/LAX07LA106.md): Enstrom F-28F · Monmouth, OR · Accident · No injuries · Limited investigation · Final report · Mar 6, 2007 · N785M · Substantial damage
  > The failure of the main drive belt tension assembly shaft due to high cycle, low stress fatigue.
- [NTSB SEA98FA055](https://openairdocs.org/ntsb/SEA98FA055.md): Enstrom F28F · Baker, OR · Accident · No injuries · Field investigation · Final report · Mar 30, 1998 · N171HH · Substantial damage
  > Fatigue failure of the steel tubing pylon structure. Factors include inadequate inspection by maintenance personnel of damage after a previous accident.
- [NTSB SEA98LA021](https://openairdocs.org/ntsb/SEA98LA021.md): Enstrom F-28F · John Day, OR · Accident · No injuries · Limited investigation · Final report · Dec 6, 1997 · N171HH · Substantial damage
  > a loss of engine power for undetermined reasons.
- [NTSB SEA84LA021](https://openairdocs.org/ntsb/SEA84LA021.md): Enstrom F28F · Hillsboro, OR · Accident · Minor injuries · Limited investigation · Final report · Nov 15, 1983 · N8622U · Substantial damage
  > The acft did a hard landing during autorotation after the engine ran rough and quit at 250 ft AGL during takeoff. The pilot had leaned the mixture, he said, prior to takeoff and he was not sure if he pushed the mixture to full rich when the engine started to…

## 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" = 'OR' 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=OR

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