# NTSB investigations: Pratt & Whitney R-985 series, 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 WPR21FA170](https://openairdocs.org/ntsb/WPR21FA170.md): Consolidated Vultee BT-13A · Camas, WA · Accident · 1 fatal · Class 3 · Field · Final report · Apr 21, 2021 · N53331 · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during an aborted landing, resulting in an aerodynamic stall and impact with terrain.
- [NTSB GAA15CA120](https://openairdocs.org/ntsb/GAA15CA120.md): Beech RC 45J · Everett, WA · Accident · No injuries · Data collection · Final report · Jun 11, 2015 · N585PB · Substantial damage
  > The pilot's failure to maintain directional control, which resulted in a runway excursion, and a collision with a sign.
- [NTSB WPR11LA384](https://openairdocs.org/ntsb/WPR11LA384.md): Grumman Acft ENG Cor-Schweizer G-164B · Oakesdale, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 2011 · N6628Q · Substantial damage
  > The pilot's decision to land with a high tailwind, which resulted in a nose-over.
- [NTSB WPR09LA227](https://openairdocs.org/ntsb/WPR09LA227.md): Grumman G-164B · Colfax, WA · Accident · No injuries · Limited investigation · Final report · May 4, 2009 · N6628Q · Substantial damage
  > A total loss of engine power due to excessive wear in several carburetor components that led to a malfunction of the carburetor.
- [NTSB SEA08CA171](https://openairdocs.org/ntsb/SEA08CA171.md): de Havilland Beaver DHC-2 MK.1 · Kenmore, WA · Accident · No injuries · Data collection · Final report · Aug 4, 2008 · N53BV · Substantial damage
  > The pilot's failure to maintain aircraft control while water taxiing. Contributing to the accident were the pilot's failure to compensate for the wind condition and a tailwind.
- [NTSB SEA08CA093](https://openairdocs.org/ntsb/SEA08CA093.md): Grumman G-164A · Dayton, WA · Accident · Minor injuries · Data collection · Final report · Mar 25, 2008 · N48629 · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and failure to maintain an adequate airspeed. A contributing factor was the sudden windshift.
- [NTSB LAX08CA082](https://openairdocs.org/ntsb/LAX08CA082.md): Grumman-Schweizer G-164B · Colfax, WA · Accident · No injuries · Data collection · Final report · Mar 22, 2008 · N63D · Substantial damage
  > The pilot's inadequate compensation for the wind conditions, failure to attain and maintain an adequate airspeed that resulted in a stall mush, and, the subsequent failure to maintain terrain and obstacle clearance during the takeoff initial climb.…
- [NTSB SEA05FA158](https://openairdocs.org/ntsb/SEA05FA158.md): Cessna 150M · Renton, WA · Accident · 2 fatal · Field investigation · Final report · Aug 5, 2005 · N66234 · 2 aircraft · Destroyed
  > The failure of the DHC-2 Beaver pilot to understand air traffic advisory information and the failure of the Cessna pilot to maintain visual separation, resulting in a midair collision. A factor contributing to the accident was the inadequate traffic advisory…
- [NTSB SEA04LA085](https://openairdocs.org/ntsb/SEA04LA085.md): Stinson SR-10E · Eliza Island, WA · Accident · No injuries · Limited investigation · Final report · May 16, 2004 · N27782 · Substantial damage
  > The pilot's misjudgment of altitude/distance resulting in an undershoot of the runway.
- [NTSB SEA03LA034](https://openairdocs.org/ntsb/SEA03LA034.md): Beech E18S · Burlington, WA · Accident · No injuries · Limited investigation · Final report · Feb 4, 2003 · N48K · Substantial damage
  > The pilot's failure to adequately remove ice/frost from the aircraft and to maintain airspeed during the initial climb after takeoff. An inadequate preflight was a factor.
- [NTSB SEA01LA031](https://openairdocs.org/ntsb/SEA01LA031.md): de Havilland DHC-2 Mk. I · Kirkland, WA · Accident · No injuries · Limited investigation · Final report · Dec 22, 2000 · N2502 · Substantial damage
  > A malfunction of the aircraft's fuel selector valve and subsequent fuel starvation. Factors included a short emergency landing area, a wet landing surface, and a fence.
- [NTSB SEA00LA099](https://openairdocs.org/ntsb/SEA00LA099.md): Grumman-Schweizer G-164B · Colfax, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 2000 · N6549K · Substantial damage
  > The pilots failure to maintain clearance from power transmission lines.
- [NTSB SEA00FA001](https://openairdocs.org/ntsb/SEA00FA001.md): de Havilland DHC-2 Mark 1 · Port Blakely, WA · Accident · Minor injuries · Field investigation · Final report · Oct 1, 1999 · N9766Z · Substantial damage
  > The pilot-in-command's failure to maintain adequate clearance from trees/terrain. Contributing factors were rising terrain and trees.
- [NTSB SEA99LA065](https://openairdocs.org/ntsb/SEA99LA065.md): Boeing Stearman 1B75A · Olympia, WA · Accident · No injuries · Limited investigation · Final report · Apr 30, 1999 · N56208 · Substantial damage
  > The pilot's failure to adequately compensate for wind conditions. A factor contributing to the accident was a crosswind during the landing roll out.
- [NTSB SEA98LA038](https://openairdocs.org/ntsb/SEA98LA038.md): Grumman-Schweizer G-164B · Stanwood, WA · Accident · No injuries · Limited investigation · Final report · Feb 19, 1998 · N48493 · Substantial damage
  > The pilot's failure to apply carburetor heat. Factors included carburetor icing conditions and soft terrain in the forced landing area.
- [NTSB SEA96LA112](https://openairdocs.org/ntsb/SEA96LA112.md): Grumman-Schweizer G-164A · Prescott, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 1996 · N9793 · Substantial damage
  > failure of the pilot to visually clear his flight path, after allowing his attention to be diverted, and his resultant failure to maintain sufficient altitude/clearance from a hill. The hilly terrain was a related factor.
- [NTSB SEA94LA192](https://openairdocs.org/ntsb/SEA94LA192.md): Grumman G-21A · Bremerton, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 1994 · N327 · Substantial damage
  > The pilot-in-command's failure to maintain directional control during landing.
- [NTSB SEA94LA159](https://openairdocs.org/ntsb/SEA94LA159.md): de Havilland DHC-2 · Friday Harbor, WA · Accident · Serious injuries · Limited investigation · Final report · May 26, 1994 · N6782L · No damage
  > The pilot's accidental extension of his hand into the arc of the turning propeller. Factors include high winds during the docking process.
- [NTSB SEA91LA086](https://openairdocs.org/ntsb/SEA91LA086.md): Grumman G-21A · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Apr 17, 1991 · N9750Z · Substantial damage
  > The pilot-in-command did not maintain directional control of the airplane. Factors were: the pic's inadequate compensate for the wind, his limited flight expereince in this type of airplane, and the check airman's poor supervision.
- [NTSB SEA87LA111](https://openairdocs.org/ntsb/SEA87LA111.md): de Havilland DHC-2 MK.1 · Sedro Woolley, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 8, 1987 · N64384 · Destroyed
  > Shortly after takeoff a loss of power occurred and the aircraft struck trees in flight. Less than 1/2 fuel was available in all three fuel tanks. The fuel selector valve was tested and found that the selections plate was indexed off center for all selections…
- [NTSB SEA85LA076](https://openairdocs.org/ntsb/SEA85LA076.md): Weatherly 201B · Davenport, WA · Accident · No injuries · Limited investigation · Final report · Mar 15, 1985 · N1263W · Substantial damage
  > A vibration started in the engine and while the plt was monitoring the engine gauges he noted a loss of all oil pressure. A landing was made on a field and during rollout the left main gear was torn off when it struck a mound of dirt. The acft then struck…
- [NTSB SEA83LA206](https://openairdocs.org/ntsb/SEA83LA206.md): Grumman G-164B · Selah, WA · Accident · No injuries · Limited investigation · Final report · Sep 28, 1983 · N6674Q · Substantial damage
  > While landing on a road, during an aerial application operation, the acft nosed over. According to the plt, the brakes had not released after he had released the toe brakes. He reported that he found the parking brake midway between the on & off positions.
- [NTSB SEA83LA063](https://openairdocs.org/ntsb/SEA83LA063.md): Grumman 164B · Toppenish, WA · Accident · No injuries · Limited investigation · Final report · Mar 16, 1983 · N6674Q · Substantial damage
  > The aircraft nosed over in a ditch during a landing on a gravel road after an aerial application flight. The pilot said that he lost directional control during landing rollout and one main gear went into a ditch. The aircraft then nosed over and came to rest…
- [NTSB SEA82DA053](https://openairdocs.org/ntsb/SEA82DA053.md): Weatherly 201C · Espanola, WA · Accident · No injuries · Final report · Apr 17, 1982 · N9231W · Substantial damage
  > The pilot stated that during climb the engine power suddenly went to idle. A forced landing was made in a soft plowed field where the aircraft nosed over. No mechanical malfunctions were found during the engine examination however it was noted that conditions…
- [NTSB SEA81DYP42](https://openairdocs.org/ntsb/SEA81DYP42.md): Boeing A75N1 · Orondo, WA · Accident · No injuries · Closed · Sep 17, 1981 · N56929 · Substantial damage
- [NTSB SEA81FYP31](https://openairdocs.org/ntsb/SEA81FYP31.md): Boeing A75N1 · Wenatchee, WA · Accident · No injuries · Closed · Aug 3, 1981 · N49323 · Substantial damage
- [NTSB SEA79DYE19](https://openairdocs.org/ntsb/SEA79DYE19.md): Convair L-13 · Snohomish, WA · Accident · No injuries · Closed · Apr 21, 1979 · N4659V · Substantial damage
- [NTSB SEA78FYP48](https://openairdocs.org/ntsb/SEA78FYP48.md): Weatherly 201C · Wilbur, WA · Accident · No injuries · Closed · Aug 9, 1978 · N9197W · Destroyed
- [NTSB SEA78DYP02](https://openairdocs.org/ntsb/SEA78DYP02.md): Cons-Vultee L-13 · Wenatchee, WA · Accident · No injuries · Closed · Oct 11, 1977 · N4659V · Substantial damage
- [NTSB SEA77FYP32](https://openairdocs.org/ntsb/SEA77FYP32.md): Stearman A75N1 · Hunters, WA · Accident · No injuries · Closed · Jul 1, 1977 · N68200 · Substantial damage
- [NTSB SEA76DYG45](https://openairdocs.org/ntsb/SEA76DYG45.md): Boeing E75N1 · Kennewick, WA · Accident · No injuries · Closed · Apr 22, 1976 · N58978 · Substantial damage
- [NTSB SEA76DYE09](https://openairdocs.org/ntsb/SEA76DYE09.md): Dehavilland DHC-2 · Kent, WA · Accident · No injuries · Closed · Aug 14, 1975 · N5162G · Substantial damage
- [NTSB SEA71DYG53](https://openairdocs.org/ntsb/SEA71DYG53.md): Boeing A75N · Waterville, WA · Accident · No injuries · Closed · May 18, 1971 · N56929 · Substantial damage
- [NTSB SEA69F0159](https://openairdocs.org/ntsb/SEA69F0159.md): Boeing A75N1 · Sprague, WA · Accident · Minor injuries · Closed · Oct 16, 1968 · N56919 · Substantial damage
- [NTSB SEA68D0158](https://openairdocs.org/ntsb/SEA68D0158.md): Boeing B75 · Yakima, WA · Accident · No injuries · Closed · Sep 18, 1967 · N1145N · 2 aircraft · Minor damage
- [NTSB SEA68F0112](https://openairdocs.org/ntsb/SEA68F0112.md): Vultee BT-13B · Battleground, WA · Accident · No injuries · Closed · Jul 1, 1967 · N66921 · Substantial damage
- [NTSB SEA68D0019](https://openairdocs.org/ntsb/SEA68D0019.md): Aero Comdr 200-B · Pullman, WA · Accident · No injuries · Closed · Jun 24, 1967 · N7281V · Substantial damage
- [NTSB SEA67F0099](https://openairdocs.org/ntsb/SEA67F0099.md): Boeing A75N1 · Sunnyside, WA · Accident · No injuries · Closed · Aug 16, 1966 · N1153N · Substantial damage
- [NTSB SEA67F0114](https://openairdocs.org/ntsb/SEA67F0114.md): Naval Fcty N3N-3 · Wapato, WA · Accident · Minor injuries · Closed · Aug 9, 1966 · N45178 · Destroyed
- [NTSB SEA66F0088](https://openairdocs.org/ntsb/SEA66F0088.md): Boeing A75 · Othello, WA · Accident · Serious injuries · Closed · Jul 31, 1965 · N47659 · Destroyed
- [NTSB SEA66D0061](https://openairdocs.org/ntsb/SEA66D0061.md): Boeing PT-17 · Walla Walla, WA · Accident · No injuries · Closed · May 7, 1965 · N4812V · Substantial damage
- [NTSB SEA65F0042](https://openairdocs.org/ntsb/SEA65F0042.md): Boeing B-75N1 · Ewan, WA · Accident · No injuries · Closed · Mar 19, 1965 · N37194 · Substantial damage
- [NTSB UNK64X4005](https://openairdocs.org/ntsb/UNK64X4005.md): Navy N3N · Chelan Falls, WA · Accident · No injuries · Closed · Sep 16, 1964 · N44920 · 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" = '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 ('52008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.