# NTSB investigations, 1989, SD

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 DEN90IA016](https://openairdocs.org/ntsb/DEN90IA016.md): Boeing 737-322 · Rapid City, SD · Incident · No injuries · Incident investigation · Final report · Oct 27, 1989 · N344UA · No damage
  > The inflight failure of the recirculating fan unit and several air duct temperature limiting sensors.
- [NTSB DEN89LA205](https://openairdocs.org/ntsb/DEN89LA205.md): Cessna 182B · Philip, SD · Accident · Minor injuries · Limited investigation · Final report · Sep 2, 1989 · N2685G · Substantial damage
  > Loss of engine power for an undetermined reason. Factors related to the accident were: the power line & pole.
- [NTSB DEN89LA176](https://openairdocs.org/ntsb/DEN89LA176.md): Cessna 170B · Kyle, SD · Accident · No injuries · Limited investigation · Final report · Jul 23, 1989 · N8102A · Substantial damage
  > The pilot used poor preflight planning & decision-making in selecting a road on which to land during gusty wind conditions which resulted in the failure to maintain direction control.
- [NTSB DEN89DTK01](https://openairdocs.org/ntsb/DEN89DTK01.md): Piper PA-36-300 · Agar, SD · Accident · 1 fatal · Final report · May 23, 1989 · N82644 · Destroyed
  > The pilot's failure to maintain an adequate clearance with the powerlines. The powerline is considered to be a contributing factor to the accident.
- [NTSB DEN89LA108](https://openairdocs.org/ntsb/DEN89LA108.md): Piper PA-28-180 · Milbank, SD · Accident · No injuries · Limited investigation · Final report · Apr 14, 1989 · N8272W · Substantial damage
  > Failure by the pilot to assure adequate removal of frost from the aircraft which resulted in a stall/mush.
- [NTSB DEN89LA082](https://openairdocs.org/ntsb/DEN89LA082.md): Stinson 108-2 · Custer, SD · Accident · Serious injuries · Limited investigation · Final report · Mar 7, 1989 · N150C · Substantial damage
  > The improper maintenance by the pilot in command/owner in that the magneto drive gear retaining nuts were not safetied which resulted in them backing off, disconnecting the magnetoes and one of the gears falling into the engine.

## 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."eventStateOrRegion" = 'SD' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.