# Final NTSB investigations: Continental R-975 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 WPR10LA048](https://openairdocs.org/ntsb/WPR10LA048.md): Piasecki/Pike PV-18 · Adelanto, CA · Accident · 3 fatal · Limited investigation · Final report · Nov 7, 2009 · N183YP · Substantial damage
  > The pilot’s failure to maintain clearance from powerlines during en route flight.
- [NTSB DEN06CA081](https://openairdocs.org/ntsb/DEN06CA081.md): Grumman G-164B · Dighton, KS · Accident · Minor injuries · Data collection · Final report · Jun 1, 2006 · N14RY · Substantial damage
  > The broken rocker arm boss causing the number 1 cylinder exhaust valve to stay closed and subsequently the engine failed. A factor contributing to the accident was the soft field the airplane set down in.
- [NTSB FTW02LA132](https://openairdocs.org/ntsb/FTW02LA132.md): Grumman-Schweizer G-164B · Gillett, AR · Accident · No injuries · Limited investigation · Final report · Apr 29, 2002 · N6718K · Substantial damage
  > the pilot's failure to maintain directional control on landing. A contributing factor was the high vegetation.
- [NTSB DEN01LA163](https://openairdocs.org/ntsb/DEN01LA163.md): Grumman-Schweizer G-164A · Parowan, UT · Accident · No injuries · Limited investigation · Final report · Sep 27, 2001 · N9925 · Substantial damage
  > the pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall/mush into terrain. Contributing factors were the pilot's diverted attention, the rising terrain, and the high density altitude weather condition.
- [NTSB FTW98LA164](https://openairdocs.org/ntsb/FTW98LA164.md): Grumman-Schweizer G-164B · Tuckerman, AR · Accident · No injuries · Limited investigation · Final report · Mar 25, 1998 · N6720K · Substantial damage
  > The pilot's failure to maintain aircraft control. Factors were the wet and soft runway conditions.
- [NTSB FTW92LA144](https://openairdocs.org/ntsb/FTW92LA144.md): Grumman G-164B · Mamou, LA · Accident · No injuries · Limited investigation · Final report · May 30, 1992 · N6808Q · Substantial damage
  > The engine failure for undetermined reasons. A factor was the lack of suitable terrain onto which the ensuing forced landing could be executed.
- [NTSB CHI90LA219](https://openairdocs.org/ntsb/CHI90LA219.md): Grumman G-164B · Columbus, NE · Accident · No injuries · Limited investigation · Final report · Aug 9, 1990 · N6745K · Substantial damage
  > Standing water on the approach end of the runway.
- [NTSB FTW89DRA06](https://openairdocs.org/ntsb/FTW89DRA06.md): Grumman G-164B · Lissie, TX · Accident · No injuries · Final report · Jun 1, 1989 · N6822Q · Substantial damage
  > A bird strike which resulted in foreign object damage to the engine compressor. A berm and the lack of suitable terrain for a forced landing were contributing factors.
- [NTSB SEA87LA067](https://openairdocs.org/ntsb/SEA87LA067.md): Grumman G164B · Reubens, ID · Accident · No injuries · Limited investigation · Final report · Mar 20, 1987 · N6798Q · Substantial damage
  > During takeoff run the aircraft veered to the right of the runway, struck a ditch, and then nosed over inverted. The pilot found that the right dowel pin on the right main gear had broken. The reason for the failure could not be determined.
- [NTSB LAX84LA474](https://openairdocs.org/ntsb/LAX84LA474.md): Grumman 164A · Goodyear, AZ · Accident · No injuries · Limited investigation · Final report · Sep 8, 1984 · N9925 · Substantial damage
  > Plt reported pwr loss occurred during night aerial application. Acft nosed over during forced landing in crop field. Investigation failed to reveal any evidence of a mechanical failure/malfunction. Engine was test run to extent permitted by damage and no…
- [NTSB MKC84LA255](https://openairdocs.org/ntsb/MKC84LA255.md): Grumman G-164B · Marianna, AR · Accident · No injuries · Limited investigation · Final report · Aug 16, 1984 · N6730K · Substantial damage
  > The landing gear contacted the bean crop which was being sprayed with sodium chlorate and the acft nosed over.
- [NTSB SEA84LA133](https://openairdocs.org/ntsb/SEA84LA133.md): Grumman G-164B-450 · Pullman, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 14, 1984 · N6798Q · Destroyed
  > After making a swath run, the acft entered a steep turn with an airspeed of about 75 mph. According to two witnesses, the eng lost power & then the acft crashed. The plt was unable to remember what had happened from the time he entered the turn until he…
- [NTSB FTW81DRJ13](https://openairdocs.org/ntsb/FTW81DRJ13.md): Grumman G-164B · Mer Rouge, LA · Accident · No injuries · Closed · Apr 28, 1981 · N6809Q · Substantial damage
- [NTSB OAK76DVG70](https://openairdocs.org/ntsb/OAK76DVG70.md): Grumman G-164A · Butte City, CA · Accident · Minor injuries · Closed · May 8, 1976 · N9925 · Substantial damage

## 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17037'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17037&status=final

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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.
