# NTSB investigations: Pratt & Whitney R-985 series, 1984, ND

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 DEN84LA270](https://openairdocs.org/ntsb/DEN84LA270.md): Weatherly 201B · Grand Forks, ND · Accident · No injuries · Limited investigation · Final report · Aug 27, 1984 · N1268W · Substantial damage
  > During initial takeoff climb at an alt of aprx 100 ft AGL, engine began missing. Unable to maintain alt, forced landing was made in a plowed field during which landing gear was torn from the acft. Inspection revealed #5 cylinder head separated from the…
- [NTSB DEN84LA253](https://openairdocs.org/ntsb/DEN84LA253.md): Grumman G-164A · Arthur, ND · Accident · No injuries · Limited investigation · Final report · Aug 17, 1984 · N5332 · Substantial damage
  > Acft flown at high gross weight in high density altitude conditions. The plt said takeoff pwr was added too late to stopthe descent at the start of a spray run.
- [NTSB DEN84LA204](https://openairdocs.org/ntsb/DEN84LA204.md): Grumman G-164A · Page, ND · Accident · No injuries · Limited investigation · Final report · Jun 29, 1984 · N5332 · Substantial damage
  > Engine siezed during takeoff climb at alt of aprx 100 ft AGL. Acft contacted trees during the forced landing. Examination of engine turbo section revealed the blower section had separated as a result of bearing failure. According to a mechanic who…
- [NTSB DEN84LA179](https://openairdocs.org/ntsb/DEN84LA179.md): Grumman G-164 · Kindred, ND · Accident · No injuries · Limited investigation · Final report · Jun 13, 1984 · N10247 · Substantial damage
  > The engine quit on the first swath run after a carburetor change. Substantial damage resulted from the forced landing. Subsequent examination of the carburetor revealed fouling by sealant material partially dissolved by fuel.

## 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") = 1984
  AND c."eventStateOrRegion" = 'ND' 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 ('52008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52008&state=ND&year=1984

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