# NTSB investigations: Swearingen SA226TC, 1989

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 CHI89FA092](https://openairdocs.org/ntsb/CHI89FA092.md): Swearingen SA226TC · Marion, IL · Accident · No injuries · Field investigation · Final report · May 19, 1989 · N232AM · Substantial damage
  > Failure of the pilot to maintain directional control of the aircraft. Contributing to the accident was lack of crew coordination and inappropriate remedial action on the part of the aircrew, and improper maintenance modification by the operator.
- [NTSB DEN89FA076](https://openairdocs.org/ntsb/DEN89FA076.md): Swearingen SA226TC · Saint George, UT · Accident · No injuries · Field investigation · Final report · Feb 11, 1989 · N1010Z · Substantial damage
  > Malfunction of the nosewheel steering system due to improper installation of the nosewheel steering poppet valve & inadequate maintenance instructions.

## 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") = 1989
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8780404'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8780404&year=1989

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