# Major NTSB investigations: Pratt & Whitney R-985 series

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 ANC07MA083](https://openairdocs.org/ntsb/ANC07MA083.md): de Havilland DHC-2 · Ketchikan, AK · Accident · 5 fatal · Major investigation · Final report · Aug 17, 2007 · N345KA · Destroyed
  > An inadvertent aerodynamic stall resulting from the pilot's poor decision-making and inadequate planning and execution when he took off toward nearby rising terrain, in strong winds, under circumstances where his options for maneuvering were severely limited…
- [NTSB DCA92MA048](https://openairdocs.org/ntsb/DCA92MA048.md): Beech C-45H · Hinckley, IL · Accident · 12 fatal · Major investigation · Final report · Sep 7, 1992 · N3657G · Destroyed
  > Inadequate maintenance and inspection by the operator which resulted in an engine power loss during the critical takeoff phase of flight. In addition, the pilot did not, or was unable to, attain a full-feather position on the left engine propeller, which…
- [NTSB LAX92MA184](https://openairdocs.org/ntsb/LAX92MA184.md): Beech E18S · Mount Haleakala, HI · Accident · 9 fatal · Class 1 · Major · Final report · Apr 23, 1992 · N342E · Destroyed
  > The captain's decision to continue visual flight into instrument meteorological conditions that obscured rising mountainous terrain and his failure to properly use available navigational information to remain clear of the island of maui. Contributing to the…
- [NTSB DEN87MA168](https://openairdocs.org/ntsb/DEN87MA168.md): Beech D18S · Lakeside, MT · Accident · 10 fatal · Major investigation · Final report · Jul 5, 1987 · N132E · Destroyed
  > The plt borrowed the acft to fly a musical group to kalispell for a pvt engagement at Lakeside, MT, which was aprx 15 mi south of the arpt. That evening, the group boarded the acft for the return flt. After takeoff, the acft was seen flying at low alt in the…
- [NTSB DCA78AA021](https://openairdocs.org/ntsb/DCA78AA021.md): Grumman G-21A · St Thomas, VI · Accident · 4 fatal · Closed · Sep 2, 1978 · N7777V · Destroyed

## 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 (c.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch')
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52008&major=1

---
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.