# NTSB investigations: Pratt & Whitney JT8D series, 1991

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 CHI92IA061](https://openairdocs.org/ntsb/CHI92IA061.md): Mcdonnell Douglas DC-10-30 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Dec 23, 1991 · N142AA · 2 aircraft · No damage
  > The local controller's not understanding read back of radio communications. Factors include the pilot-in-command of flight 73 not understanding verbal instructions; local controller not visually identifying the aircraft; and inadequate surveillance (FAA) in…
- [NTSB ATL92IA025](https://openairdocs.org/ntsb/ATL92IA025.md): Mcdonnell Douglas MD-88 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Nov 20, 1991 · N908DL · No damage
  > A short in an electrical connector which resulted in its failure. The reason for the short was not determined. A factor was the improper installation of the connector by an unknown maintenance person.
- [NTSB NYC92FA009](https://openairdocs.org/ntsb/NYC92FA009.md): Mcdonnell Douglas MD-80 · Newark, NJ · Accident · Minor injuries · Field investigation · Final report · Oct 17, 1991 · N498AA · 2 aircraft · Substantial damage
  > Failure of the crew of the B-737, N7385F, to maintain adequate visual lookout while taxiing, and failure by air traffic controllers to provide traffic information and/or issue warnings to either flightcrew. A factor was the after-landing task saturation of…
- [NTSB CHI91LA301](https://openairdocs.org/ntsb/CHI91LA301.md): Mcdonnell Douglas DC-9-82 · Chicago, IL · Accident · No injuries · Limited investigation · Final report · Sep 23, 1991 · N442AA · Substantial damage
  > The flight crew's failure to maintain adequate clearance from obstacles during ground operations. A related factor is the failure of the drivers of the escort vehicle and the semi trailer to follow established procedures and directives.
- [NTSB FTW91LA137](https://openairdocs.org/ntsb/FTW91LA137.md): McDonnell Douglas MD-80 · Dfw Airport, TX · Accident · No injuries · Limited investigation · Final report · Jul 27, 1991 · N491AA · 2 aircraft · Minor damage
  > The captain of the other aircraft misjudged clearance between his aircraft and the standing commuter airplane. A factor was the failure by the second pilot of the other airplane to identify a hazardous condition.
- [NTSB ATL91FA090](https://openairdocs.org/ntsb/ATL91FA090.md): Mcdonnell Douglas MD-88 · Atlanta, GA · Accident · Serious injuries · Field investigation · Final report · May 6, 1991 · N938DL · Substantial damage
  > The van driver's inadequate visual lookout and poor division of attention.

## 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") = 1991
  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=1991

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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.