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

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 CEN15LA204](https://openairdocs.org/ntsb/CEN15LA204.md): Grumman G 164A · Maysville, OK · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 2015 · N7951 · Substantial damage
  > The loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN14LA319](https://openairdocs.org/ntsb/CEN14LA319.md): Grumman G 164 · Anadarko, OK · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 2014 · N455Y · Substantial damage
  > The total loss of engine power while climbing after takeoff for reasons that could not be determined based on the available information.
- [NTSB CEN13LA322](https://openairdocs.org/ntsb/CEN13LA322.md): Grumman Acft ENG Cor-Schweizer G-164B · Covington, OK · Accident · No injuries · Limited investigation · Final report · Jun 6, 2013 · N6754Q · Substantial damage
  > The airplane’s failure to climb after takeoff for reasons that could not be determined because postaccident examinations of the engine and airframe did not reveal any anomalies that would have precluded normal operation.
- [NTSB DFW08CA159](https://openairdocs.org/ntsb/DFW08CA159.md): Beech E-18 · Guymon, OK · Accident · No injuries · Data collection · Final report · Jun 1, 2008 · N241X · Substantial damage
  > The pilot's failure to maintain directional control during landing roll out. Contributing to the accident was the crosswind.
- [NTSB DFW07CA131](https://openairdocs.org/ntsb/DFW07CA131.md): Grumman G-164A · Okarche, OK · Accident · No injuries · Data collection · Final report · Jun 9, 2007 · N48613 · Substantial damage
  > The pilot's failure to maintain clearance from an unmarked light fixture.
- [NTSB FTW92LA101](https://openairdocs.org/ntsb/FTW92LA101.md): Weatherly 201B · Weatherford, OK · Accident · No injuries · Limited investigation · Final report · Mar 30, 1992 · N1268W · Substantial damage
  > Fuel starvation due to a mechanical failure of the fuel selector. A factor was the lack of suitable terrain.
- [NTSB FTW87DPJ03](https://openairdocs.org/ntsb/FTW87DPJ03.md): Boeing B75N1 · Fairmont, OK · Accident · Minor injuries · Final report · Mar 8, 1987 · N5102N · Substantial damage
  > During the pull up at end of swath run pilot misjudged power line clearance. Top line caught on aircraft and caused uncontrolled descent to ground.
- [NTSB FTW86FA004](https://openairdocs.org/ntsb/FTW86FA004.md): Beech H18 · Oklahoma City, OK · Accident · 2 fatal · Field investigation · Final report · Nov 5, 1985 · N1461G · Destroyed
  > Atr plt departing arpt under VMC experienced failure of the right eng shortly after lift-off. The acft yawed right followed by a steep right roll, contacting power lines with the right wing and subsequently impacted the ground. A post-crash fire destoyed the…
- [NTSB FTW85FPJ01](https://openairdocs.org/ntsb/FTW85FPJ01.md): Grumman AG CAT G-164 · Norman, OK · Accident · Serious injuries · Final report · Apr 1, 1985 · N5338 · Destroyed
  > The acft collided with a high static wire on an electric transmission line before colliding out of control with the ground. The plt stated after the accident that he forgot about the static line and flew into it during a maneuver for aerial spraying.
- [NTSB FTW81FPJ16](https://openairdocs.org/ntsb/FTW81FPJ16.md): Grumman G-164B · Billings, OK · Accident · No injuries · Closed · Apr 9, 1981 · N48478 · Destroyed
- [NTSB FTW81DPJ14](https://openairdocs.org/ntsb/FTW81DPJ14.md): Boeing A75 · Covington, OK · Accident · No injuries · Closed · Apr 8, 1981 · N50149 · Destroyed
- [NTSB FTW77DPJ30](https://openairdocs.org/ntsb/FTW77DPJ30.md): Grumman G-164B · Carnegie, OK · Accident · No injuries · Closed · Jul 15, 1977 · N6616Q · Destroyed
- [NTSB FTW76DPJ26](https://openairdocs.org/ntsb/FTW76DPJ26.md): Boeing A75N1 · Eldorado, OK · Accident · Minor injuries · Closed · Feb 25, 1976 · N67238 · Destroyed
- [NTSB FTW76FPM10](https://openairdocs.org/ntsb/FTW76FPM10.md): Boeing A75N1 · Blanco, OK · Accident · Minor injuries · Closed · Nov 9, 1975 · N62146 · Substantial damage
- [NTSB FTW75DPJ06](https://openairdocs.org/ntsb/FTW75DPJ06.md): Grumman G-164 · Pauls Valley, OK · Accident · Minor injuries · Closed · Aug 15, 1975 · N957X · Substantial damage
- [NTSB FTW74FPM14](https://openairdocs.org/ntsb/FTW74FPM14.md): Boeing A75 · Tulsa, OK · Accident · No injuries · Closed · Dec 14, 1973 · N61492 · Substantial damage
- [NTSB FTW74DPM08](https://openairdocs.org/ntsb/FTW74DPM08.md): Boeing A75 · Coleman, OK · Accident · No injuries · Closed · Sep 23, 1973 · N4564N · Substantial damage
- [NTSB FTW73FPJ15](https://openairdocs.org/ntsb/FTW73FPJ15.md): Boeing B75N1 · El Reno, OK · Accident · No injuries · Closed · Apr 20, 1973 · N5080N · Substantial damage
- [NTSB FTW73DPJ10](https://openairdocs.org/ntsb/FTW73DPJ10.md): Boeing E75 · Hollis, OK · Accident · No injuries · Closed · Mar 6, 1973 · N5191N · Substantial damage
- [NTSB FTW71DPJ31](https://openairdocs.org/ntsb/FTW71DPJ31.md): Boeing A75 · Chickasha, OK · Accident · No injuries · Closed · Mar 15, 1971 · N50536 · Substantial damage
- [NTSB FTW71AF042](https://openairdocs.org/ntsb/FTW71AF042.md): Beech E18S · Muskogee, OK · Accident · No injuries · Closed · Jan 20, 1971 · N225H · Substantial damage
- [NTSB FTW70DPM11](https://openairdocs.org/ntsb/FTW70DPM11.md): Boeing A75N1 · Vera, OK · Accident · No injuries · Closed · May 24, 1970 · N62146 · Substantial damage
- [NTSB FTW70FPM08](https://openairdocs.org/ntsb/FTW70FPM08.md): Boeing E75N1 · Wetumka, OK · Accident · Minor injuries · Closed · May 17, 1970 · N5223N · Destroyed
- [NTSB FTW70D0145](https://openairdocs.org/ntsb/FTW70D0145.md): Boeing E75N1 · Hollis, OK · Accident · No injuries · Closed · Aug 7, 1969 · N5191N · Substantial damage
- [NTSB FTW69A0081](https://openairdocs.org/ntsb/FTW69A0081.md): Beech G18S · Tulsa, OK · Accident · No injuries · Closed · May 5, 1969 · N697Q · Substantial damage
- [NTSB FTW68A0089](https://openairdocs.org/ntsb/FTW68A0089.md): Beech D18S · Altus, OK · Accident · No injuries · Closed · Apr 14, 1968 · N212Z · Substantial damage
- [NTSB FTW67D0442](https://openairdocs.org/ntsb/FTW67D0442.md): Beech C-45H · Tulsa, OK · Accident · No injuries · Closed · Feb 5, 1967 · N3657G · Substantial damage
- [NTSB FTW67A0058](https://openairdocs.org/ntsb/FTW67A0058.md): Lockheed 12A · Oklahoma Cty, OK · Accident · No injuries · Closed · Dec 1, 1966 · N16085 · Substantial damage
- [NTSB UNK64X0201](https://openairdocs.org/ntsb/UNK64X0201.md): Beechcraft C18S · Okla City, OK · Accident · No injuries · Closed · Jan 9, 1964 · N11198 · 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."eventStateOrRegion" = 'OK' 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=OK

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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.