# 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.

Page 4 of 38 · 1,867 cases

## Cases, newest first

- [NTSB CEN10CA426](https://openairdocs.org/ntsb/CEN10CA426.md): Grumman Acft ENG Cor-Schweizer G-164B · Alexandria, LA · Accident · No injuries · Data collection · Final report · Jul 22, 2010 · N6772Q · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB ANC10CA091](https://openairdocs.org/ntsb/ANC10CA091.md): Avions Max Holste MH 1521 Broussard · Skwentna, AK · Accident · No injuries · Data collection · Final report · Jul 15, 2010 · N5833E · Substantial damage
  > The pilot's inadequate crosswind compensation, which resulted in a loss of directional control.
- [NTSB CEN10CA386](https://openairdocs.org/ntsb/CEN10CA386.md): Grumman Acft ENG Cor-Schweizer G-164B · Chillicothe, MO · Accident · No injuries · Data collection · Final report · Jul 9, 2010 · N6513K · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff.
- [NTSB ANC10CA054](https://openairdocs.org/ntsb/ANC10CA054.md): Dehavilland DHC-2 MK. I(L20A) · Igiugig, AK · Accident · No injuries · Data collection · Final report · Jun 28, 2010 · N9RW · Substantial damage
  > The pilot's decision to use only a portion of the available takeoff area, which resulted in a collision with terrain during takeoff.
- [NTSB WPR10CA289](https://openairdocs.org/ntsb/WPR10CA289.md): Grumman Acft ENG Cor-Schweizer G-164B · Courtland, CA · Accident · Serious injuries · Data collection · Final report · Jun 13, 2010 · N6726Q · Substantial damage
  > The pilot's failure to maintain clearance from terrain during low-altitude maneuvers.
- [NTSB ANC10LA044](https://openairdocs.org/ntsb/ANC10LA044.md): Dehavilland Beaver DHC-2 MK.1 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · May 24, 2010 · N4793C · Substantial damage
  > The commercial pilot’s loss of airplane control while landing in a crosswind, resulting in a nose-over. Contributing to the accident was the check pilot's inadequate supervision of the commercial pilot while landing.
- [NTSB WPR10CA254](https://openairdocs.org/ntsb/WPR10CA254.md): Boeing B75 · Yerington, NV · Accident · No injuries · Data collection · Final report · May 22, 2010 · N1193N · Substantial damage
  > The pilot's inadequate compensation for the crosswind condition, resulting in the loss of directional control during the landing roll.
- [NTSB WPR10LA212](https://openairdocs.org/ntsb/WPR10LA212.md): Grumman Acft ENG Cor-Schweizer G-164B · Buckeye, AZ · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 2010 · N48455 · Substantial damage
  > A partial loss of engine power during the takeoff roll for undetermined reasons.
- [NTSB ERA10CA240](https://openairdocs.org/ntsb/ERA10CA240.md): Grumman G164 · Hampton, GA · Accident · No injuries · Data collection · Final report · Apr 22, 2010 · N654U · Substantial damage
  > A total loss of engine power during a go-around due to fuel exhaustion as a result of the pilot's inadequate preflight planning.
- [NTSB CEN10LA046](https://openairdocs.org/ntsb/CEN10LA046.md): Younkin J R Mullicoupe · Siloam Springs, AR · Accident · Serious injuries · Limited investigation · Final report · Nov 10, 2009 · N273X · Substantial damage
  > A loss of engine power due to fuel starvation for undetermined reasons.
- [NTSB ANC10CA001](https://openairdocs.org/ntsb/ANC10CA001.md): Dehavilland DHC-2 · King Salmon, AK · Accident · No injuries · Data collection · Final report · Oct 5, 2009 · N490K · Substantial damage
  > The pilot's selection of an unsuitable takeoff area, and his decision to takeoff with a tailwind.
- [NTSB CEN10TA006](https://openairdocs.org/ntsb/CEN10TA006.md): Beech E18S · Jones Creek, TX · Accident · No injuries · Final report · Oct 3, 2009 · N797SB · Substantial damage
  > The pilot's failure to see and avoid the radio tower.
- [NTSB WPR09CA393](https://openairdocs.org/ntsb/WPR09CA393.md): Grumman Acft ENG Cor-Schweizer G-164B · Westley, CA · Accident · No injuries · Data collection · Final report · Aug 13, 2009 · N6697Q · Substantial damage
  > The pilot’s inadequate preflight planning and preparation, and his decision to operate the airplane well in excess of its maximum gross weight.
- [NTSB CEN09FA518](https://openairdocs.org/ntsb/CEN09FA518.md): Beech E18S · Eden Prairie, MN · Accident · 2 fatal · Field investigation · Final report · Aug 12, 2009 · N3038C · Substantial damage
  > The pilot’s lack of experience flying the accident make and model of airplane, which led to a loss of control while maneuvering to return to the airport. Contributing to the accident was a partial loss of engine power for undetermined reasons.
- [NTSB CEN09CA474](https://openairdocs.org/ntsb/CEN09CA474.md): Beech H-18 · Dayton, OH · Accident · No injuries · Data collection · Final report · Jul 24, 2009 · N87711 · Substantial damage
  > The pilot's failure to lock the tailwheel during landing resulting in the loss of directional control.
- [NTSB ANC09LA072](https://openairdocs.org/ntsb/ANC09LA072.md): Dehavilland Beaver DHC-2 · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Jul 22, 2009 · N68088 · Substantial damage
  > The pilot's selection of an unsuitable landing/takeoff area with an unfavorable wind.
- [NTSB CEN09CA452](https://openairdocs.org/ntsb/CEN09CA452.md): Weatherly 620B · New England, ND · Accident · Minor injuries · Data collection · Final report · Jul 21, 2009 · N2027K · Substantial damage
  > The loss of engine power for undetermined reasons while maneuvering at low altitude.
- [NTSB CEN09LA444](https://openairdocs.org/ntsb/CEN09LA444.md): Beech TC-45J · Verdel, NE · Accident · 1 fatal · Limited investigation · Final report · Jul 19, 2009 · N6688 · Destroyed
  > The pilot's improper decision to fly an airplane that was not airworthy and for which he was not properly rated to operate, and his failure to maintain control of the airplane during a forced landing to a field following an engine failure. Contributing to the…
- [NTSB ANC09CA066](https://openairdocs.org/ntsb/ANC09CA066.md): Beech G18S · Yakutat, AK · Accident · No injuries · Data collection · Final report · Jul 13, 2009 · N93CA · Substantial damage
  > The pilot's failure to maintain directional control during landing, which resulted in a runway excursion, and main landing gear collapse.
- [NTSB WPR09LA247](https://openairdocs.org/ntsb/WPR09LA247.md): Boeing A75N1 · Joshua Tree, CA · Accident · No injuries · Limited investigation · Final report · May 19, 2009 · N450JN · Substantial damage
  > An in-flight fire in the engine compartment for undetermined reasons.
- [NTSB WPR09CA265](https://openairdocs.org/ntsb/WPR09CA265.md): Boeing E75 · Cottonwood, AZ · Accident · No injuries · Data collection · Final report · May 17, 2009 · N4787V · Substantial damage
  > The pilot's inadequate compensation for the crosswinds during the landing roll.
- [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 ERA09LA108](https://openairdocs.org/ntsb/ERA09LA108.md): Beech E18S · Fort Myers, FL · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 2008 · N7765N · Substantial damage
  > The failure of the right propeller to go to the feathered position for undetermined reasons following a total loss of right engine power during initial climb due to fuel starvation as a result of the pilot's improper fuel planning.
- [NTSB DEN08LA150](https://openairdocs.org/ntsb/DEN08LA150.md): Weatherly 620B · Atkinson, NE · Accident · No injuries · Limited investigation · Final report · Sep 4, 2008 · N2036U · Substantial damage
  > The total loss of engine power due to water contamination and corrosion within the fuel system at an undetermined time and from an undetermined source.
- [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 CHI08CA231](https://openairdocs.org/ntsb/CHI08CA231.md): Weatherly 201B · Creston, IL · Accident · No injuries · Data collection · Final report · Aug 1, 2008 · N2936W · Substantial damage
  > The pilot's selection of the unsuitable terrain next to the runway to avoid the landing traffic. Contributing to the accident was the hill in the middle of the runway that blocked the pilot's view of the other traffic and the high vegetation near the runway.
- [NTSB LAX08CA223](https://openairdocs.org/ntsb/LAX08CA223.md): Grumman Acft Eng G-164B · Patterson, CA · Accident · Minor injuries · Data collection · Final report · Jul 10, 2008 · N6792Q · Substantial damage
  > The pilot's failure to maintain clearance from obstacles while maneuvering.
- [NTSB LAX08LA193](https://openairdocs.org/ntsb/LAX08LA193.md): Snow S2C · Glenn's Ferry, ID · Accident · 1 fatal · Limited investigation · Final report · Jun 24, 2008 · N1661S · Substantial damage
  > Failure of the pilot to maintain an adequate airspeed resulting in an aerodynamic stall/spin while maneuvering.
- [NTSB DFW08CA168](https://openairdocs.org/ntsb/DFW08CA168.md): Grumman G-164 · Tallulah, LA · Accident · Minor injuries · Data collection · Final report · Jun 23, 2008 · N54229 · Substantial damage
  > The pilot's failure to maintain aircraft control. Contributing to the accident was the pilot's failure to maintain adequate airspeed.
- [NTSB DEN08LA106](https://openairdocs.org/ntsb/DEN08LA106.md): Grumman-Schweizer G-164B · O'Kean, AR · Accident · Serious injuries · Limited investigation · Final report · Jun 18, 2008 · N6601Q · Destroyed
  > An inadvertent accelerated stall. Contributing factors in this accident were the low airspeed, steep angle of bank, and heavy weight.
- [NTSB LAX08LA177](https://openairdocs.org/ntsb/LAX08LA177.md): Grumman-Schweizer G-164B · Wilder, ID · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 2008 · N48571 · Substantial damage
  > The loss of engine power as a result of failure of the supercharger. Contributing to the accident was the lack of suitable terrain for the forced landing.
- [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 DFW08CA145](https://openairdocs.org/ntsb/DFW08CA145.md): Weatherly 201B · Nickerson, KS · Accident · No injuries · Data collection · Final report · May 15, 2008 · N1264W · Destroyed
  > The pilot's failure to maintain directional control during the takeoff roll.
- [NTSB ANC08LA067](https://openairdocs.org/ntsb/ANC08LA067.md): de Havilland DHC-2 · Juneau, AK · Accident · No injuries · Limited investigation · Final report · May 11, 2008 · N62355 · Substantial damage
  > Structural damage to the airplane as the result of a birdstrike.
- [NTSB ANC08CA066](https://openairdocs.org/ntsb/ANC08CA066.md): de Havilland DHC-2 · Talkeetna, AK · Accident · No injuries · Data collection · Final report · May 11, 2008 · N323KT · Substantial damage
  > The pilot's inadvertent activation of the main landing gear brakes during the recovery from a bounced landing.
- [NTSB DFW08CA098](https://openairdocs.org/ntsb/DFW08CA098.md): Weatherly 620B · Coleman, TX · Accident · No injuries · Data collection · Final report · Apr 13, 2008 · N2035J · Substantial damage
  > The pilot's failure to maintain airplane control on the landing roll. A contributing factor was the variable wind.
- [NTSB ANC08FA050](https://openairdocs.org/ntsb/ANC08FA050.md): Grumman G-21A · Unalaska, AK · Accident · Serious injuries · Field investigation · Final report · Apr 10, 2008 · N741 · Substantial damage
  > The pilot's failure to maintain clearance from a truck while landing, and the vehicle operator's decision to ignore runway warning signals. Contributing to the accident was an inoperative vehicle gate system and the failure of airport management to adequately…
- [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 DEN08LA064](https://openairdocs.org/ntsb/DEN08LA064.md): Spartan 7W · Santa Fe, NM · Accident · No injuries · Limited investigation · Final report · Mar 12, 2008 · N17662 · Substantial damage
  > Fatigue failure of the right main landing gear, rendering directional control impossible and causing an overload failure of the left main landing gear.
- [NTSB ANC08CA034](https://openairdocs.org/ntsb/ANC08CA034.md): de Havilland DHC-2 · McGrath, AK · Accident · No injuries · Data collection · Final report · Feb 5, 2008 · N323KT · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during an aborted takeoff.
- [NTSB MIA08LA014](https://openairdocs.org/ntsb/MIA08LA014.md): Cessna C208B · Opa Locka, FL · Accident · No injuries · Limited investigation · Final report · Nov 6, 2007 · N701SE · 2 aircraft · Substantial damage
  > Failure of the local controller to coordinate with the ground controller and the failure of the pilots to see and avoid each other.
- [NTSB ANC08CA002](https://openairdocs.org/ntsb/ANC08CA002.md): de Havilland DHC-2 · King Salmon, AK · Accident · Minor injuries · Data collection · Final report · Oct 7, 2007 · N24BR · Substantial damage
  > The pilot's inadequate compensation for gusty wind conditions during the final approach to land, which resulted in the airplane colliding with terrain. A factor contributing to the accident was the gusty wind.
- [NTSB NYC07FA234](https://openairdocs.org/ntsb/NYC07FA234.md): Beech H-18 · Ft. Lauderdale, FL · Accident · Serious injuries · Field investigation · Final report · Sep 21, 2007 · N123MD · Destroyed
  > A total loss of engine power due to fuel starvation as a result of the pilot's failure to place the fuel selector for the right engine in the proper position. Contributing to the accident was the improper loading of the cargo.
- [NTSB NYC07LA207](https://openairdocs.org/ntsb/NYC07LA207.md): Grumman G-164A · Goshen, NY · Accident · No injuries · Limited investigation · Final report · Sep 1, 2007 · N6578 · Substantial damage
  > A loss of engine power during cruise flight for undetermined reasons.
- [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 ANC07WA078](https://openairdocs.org/ntsb/ANC07WA078.md): de Havilland DHC-2 · Victoria, Canada · Accident · No injuries · Foreign investigation · Jul 31, 2007 · N340KA · Substantial damage
- [NTSB ANC07FA068](https://openairdocs.org/ntsb/ANC07FA068.md): de Havilland DHC-2 · Ketchikan, AK · Accident · 5 fatal · Field investigation · Final report · Jul 24, 2007 · N995WA · Destroyed
  > The pilot's decision to continue under visual flight rules into an area of instrument metrological conditions. Contributing to the accident was the pilot's inadequate weather evaluation, and the FAA's inadequate surveillance of the commercial air tour…
- [NTSB DEN07LA122](https://openairdocs.org/ntsb/DEN07LA122.md): Beech C-45H · Longmont, CO · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2007 · N9562Z · Destroyed
  > The instructor pilot's improper preflight in that he failed to close the rocker box recovery system drain valves, resulting in a total loss of lubricating oil and subsequent oil starvation to both engines. A contributing factor was the trees.
- [NTSB CHI07CA210](https://openairdocs.org/ntsb/CHI07CA210.md): Boeing A-75N1 · Oelwein, IA · Accident · No injuries · Data collection · Final report · Jul 14, 2007 · N7034Y · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during a landing roll. Factors associated with the accident was the gusty crosswind condition and the corn crop.

Next page: https://openairdocs.org/ntsb.md?engine=52008&page=5

## 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."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&page=4

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