# NTSB investigations: Enstrom F-28A, 1990

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 NYC90LA200](https://openairdocs.org/ntsb/NYC90LA200.md): Enstrom F-28A · Ravenna, OH · Accident · No injuries · Limited investigation · Final report · Aug 24, 1990 · N9597 · Substantial damage
  > A power loss, due to contamination from deteriorating fuel tank sealant, and the pilot's failure to notice the contamination during preflight.
- [NTSB MIA90LA120](https://openairdocs.org/ntsb/MIA90LA120.md): Enstrom F-28A · Marathon, FL · Accident · No injuries · Limited investigation · Final report · May 13, 1990 · N9056 · Substantial damage
  > Failure of the input drive gear of the tail rotor gear box for undetermined reasons because the drive gear was not recovered from the ocean.
- [NTSB FTW90LA099](https://openairdocs.org/ntsb/FTW90LA099.md): Enstrom F-28A · Danbury, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 1990 · N287Q · Substantial damage
  > Pilot in command's failure to see and avoid wires during the final stage of an approach to a confined area. A contributing factor to the accident was the pilot's disregard of the operator's instructions after he landed the first time.
- [NTSB MIA90TL#03](https://openairdocs.org/ntsb/MIA90TL%2303.md): Enstrom F-28A · Ft Pierce, FL · Accident · Minor injuries · Class 3 · Final report · Apr 3, 1990 · N9247 · Substantial damage
- [NTSB ANC90FA047](https://openairdocs.org/ntsb/ANC90FA047.md): de Havilland DHC-6 · Chevak, AK · Accident · No injuries · Field investigation · Final report · Mar 29, 1990 · N200EH · Substantial damage
  > Improper flare by the pilot (PIC) during the landing/flare. The weather condition with fog was a related factor.

## 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 year(c."eventDate") = 1990
  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&year=1990

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