# NTSB investigations: Pratt & Whitney R1340 series, 1998, WA

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 SEA98FA164](https://openairdocs.org/ntsb/SEA98FA164.md): North American SNJ-5C · Winlock, WA · Accident · 2 fatal · Field investigation · Final report · Aug 14, 1998 · N766CA · Destroyed
  > The pilot's failure to maintain adequate altitude during attempted low-level aerobatics.
- [NTSB SEA98LA125](https://openairdocs.org/ntsb/SEA98LA125.md): Rockwell S-2R · Pasco, WA · Accident · No injuries · Limited investigation · Final report · Jul 9, 1998 · N4996X · Substantial damage
  > Separation of the throttle linkage which resulted in the loss of power. Factors include worn throttle linkage parts and the furrows in the plowed field which was the available field for the forced landing.
- [NTSB SEA98LA106](https://openairdocs.org/ntsb/SEA98LA106.md): Schweizer G-164B · Oakdale, WA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1998 · N7502C · Substantial damage
  > A fatigue failure of the number three cylinder exhaust rocker box assembly, compromising the ability of the exhaust valve to operate. Factors include a ditch at the end of the runway.

## 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") = 1998
  AND c."eventStateOrRegion" = 'WA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&state=WA&year=1998

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