# NTSB investigations: Pratt & Whitney JT8D series, 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 FTW90IA043](https://openairdocs.org/ntsb/FTW90IA043.md): Mcdonnell Douglas DC-9-82 · Baton Rouge, LA · Incident · No injuries · Incident investigation · Final report · Dec 11, 1989 · N416AA · No damage
  > The captain's excessive speed during a turn off of the runway, and his failure to maintain directional control. The wet taxiway was a related factor.
- [NTSB CHI89IA180](https://openairdocs.org/ntsb/CHI89IA180.md): Mcdonnell Douglas MD-80 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Aug 31, 1989 · N490AA · 2 aircraft · No damage
  > The failure of the controller to clarify the confusing communications, to correct the pilot's misinterpretation of the instructions being given, and the failure of the supervisor to properly monitor the situation. Factors related to the incident were the…
- [NTSB CHI89IA083](https://openairdocs.org/ntsb/CHI89IA083.md): Mcdonnell Douglas DC-9-82 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · May 2, 1989 · N434AA · Minor damage
  > Failure of the hydraulic power transfer unit shut-off (ptu s/o) valve due to failed (fatigued) valve body attach screws.
- [NTSB FTW89IA070](https://openairdocs.org/ntsb/FTW89IA070.md): Mcdonnell Douglas DC-9 · Houston, TX · Incident · No injuries · Incident investigation · Final report · Mar 23, 1989 · N447AA · Minor damage
  > Crew's failure to follow taxi instructions and to insure that they were on the proper runway prior to initiation of the takeoff roll.
- [NTSB FTW89IA064](https://openairdocs.org/ntsb/FTW89IA064.md): Mcdonnell Douglas DC-9-82 · Houston, TX · Incident · No injuries · Incident investigation · Final report · Mar 1, 1989 · N820NY · 2 aircraft · No damage
  > Failure of the TRACON final approach controller to assure radar separation between the aircraft. Factors related to the accident were: inadequate supervision by the ATC supervisor, excessive workload for the controller, unclear instructions by the controller,…

## 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.engine_model_code IN ('52053', '52377'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52053&year=1989

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