# NTSB investigations: Enstrom F-28A, TN

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 ERA14LA108](https://openairdocs.org/ntsb/ERA14LA108.md): Enstrom F 28A · Memphis, TN · Accident · No injuries · Limited investigation · Final report · Jan 29, 2014 · N24RB · Substantial damage
  > A skid tube clamp weld failure due to high residual stress, which resulted in a skid collapse during landing. Contributing to the accident was the airplane manufacturer’s lack of adequate guidance for periodically inspecting the skid tube clamp.
- [NTSB ATL05CA028](https://openairdocs.org/ntsb/ATL05CA028.md): Enstrom F-28A · Smyrna, TN · Accident · No injuries · Data collection · Final report · Nov 22, 2004 · N9235 · Substantial damage
  > The loss of engine power for undetermined reasons, and the pilot's improper flare during forced landing, which resulted in an inflight collision into an open field.
- [NTSB ATL81FKW15](https://openairdocs.org/ntsb/ATL81FKW15.md): Enstrom F-28A · Knoxville, TN · Accident · No injuries · Closed · Apr 8, 1981 · N4871 · 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" = 'TN' 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=TN

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