# 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 7 of 38 · 1,867 cases

## Cases, newest first

- [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 NYC01FA007](https://openairdocs.org/ntsb/NYC01FA007.md): Beech E18S · Wash. Ct. House, OH · Accident · 1 fatal · Field investigation · Final report · Oct 10, 2000 · N2067C · Destroyed
  > An undetermined event, which resulted in an off airport landing. A factor in this accident was the night light condition.
- [NTSB LAX00LA345](https://openairdocs.org/ntsb/LAX00LA345.md): Grumman-Schweizer G-164B · Tracy, CA · Accident · No injuries · Limited investigation · Final report · Sep 22, 2000 · N8981H · Substantial damage
  > Loss of engine power due to failure and separation of the number one connecting rod.
- [NTSB DEN00LA172](https://openairdocs.org/ntsb/DEN00LA172.md): Boeing Stearman D75N1 · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Sep 20, 2000 · N64796 · Substantial damage
  > the flight instructor not maintaining supervision. Contributing factors were the student's hard landing due to excessive flare and subsequent inadvertent stall, and the student's failure to maintain directional control during landing roll.
- [NTSB CHI00LA285](https://openairdocs.org/ntsb/CHI00LA285.md): Boeing Stearman B75N1 · Cape Girardeau, MO · Accident · No injuries · Limited investigation · Final report · Sep 2, 2000 · N66607 · Substantial damage
  > the pilot's improper decision to continue the flight when the fuel sight gauge indicated empty and the exhausted fuel supply. A factor was the corn crop.
- [NTSB FTW00LA239](https://openairdocs.org/ntsb/FTW00LA239.md): Grumman-Schweizer G-164B · Kaplan, LA · Accident · No injuries · Limited investigation · Final report · Aug 21, 2000 · N6506K · Substantial damage
  > the failure of the supercharger during takeoff. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA00LA159](https://openairdocs.org/ntsb/SEA00LA159.md): Boeing E75 · Mcminnville, OR · Accident · No injuries · Limited investigation · Final report · Aug 15, 2000 · N450UR · Substantial damage
  > The disconnection of the left tailwheel control cable spring resulting in the positioning of the tailwheel in a right turn condition.
- [NTSB ANC00LA098](https://openairdocs.org/ntsb/ANC00LA098.md): de Havilland DHC-2 · King Salmon, AK · Accident · No injuries · Limited investigation · Final report · Jul 26, 2000 · N444EF · Substantial damage
  > The pilot's inadequate compensation for crosswind conditions.
- [NTSB ANC00LA091](https://openairdocs.org/ntsb/ANC00LA091.md): de Havilland DHC-2 · Big Lake, AK · Accident · No injuries · Limited investigation · Final report · Jul 17, 2000 · N345KA · Substantial damage
  > The pilot's inadequate compensation for the wind conditions. A factor associated with the accident was a crosswind.
- [NTSB CHI00LA203](https://openairdocs.org/ntsb/CHI00LA203.md): Weatherly 201B · Streator, IL · Accident · No injuries · Limited investigation · Final report · Jul 16, 2000 · N1261W · Substantial damage
  > the pilot's preflight planning was inadequate which resulted in taking off in the wrong direction on the runway. Factors associated with the accident were the tailwind condition and the crop that the airplane contacted.
- [NTSB NYC00LA190](https://openairdocs.org/ntsb/NYC00LA190.md): Spartan 7W · Jefferson, OH · Accident · No injuries · Limited investigation · Final report · Jul 6, 2000 · N17613 · Substantial damage
  > The overload failure of the left main gear strut housing.
- [NTSB LAX00LA246](https://openairdocs.org/ntsb/LAX00LA246.md): Grumman G-164B · King City, CA · Accident · No injuries · Limited investigation · Final report · Jul 3, 2000 · N48456 · Destroyed
  > The loss of engine power for undetermined reasons.
- [NTSB ANC00LA074](https://openairdocs.org/ntsb/ANC00LA074.md): Cessna 206 · King Salmon, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 22, 2000 · N495K · 2 aircraft · Substantial damage
  > The inadequate visual lookout by the pilot of the other airplane, and the inadequate radio traffic advisories by the pilots of both airplanes.
- [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 FTW00LA167](https://openairdocs.org/ntsb/FTW00LA167.md): Grumman-Schweizer G164B · Natchitoches, LA · Accident · No injuries · Limited investigation · Final report · Jun 1, 2000 · N48723 · Destroyed
  > The failure of the pilot to maintain directional control during the landing roll, which resulted in a ground loop. A factor was the crosswind.
- [NTSB CHI00LA137](https://openairdocs.org/ntsb/CHI00LA137.md): Weatherly 201C · Ionia, KS · Accident · No injuries · Limited investigation · Final report · May 14, 2000 · N9198W · Substantial damage
  > the partial engine failure for undetermined reasons and the unsuitable terrain for landing encountered by the pilot. A factor to the accident was the hilly terrain condition.
- [NTSB DEN00LA072](https://openairdocs.org/ntsb/DEN00LA072.md): Weatherly 201B · Rocky Ford, CO · Accident · Minor injuries · Limited investigation · Final report · Apr 8, 2000 · N1292W · Substantial damage
  > A total loss of power due to an engine rocker arm failure and soft/unsuitable terrain during the subsequent forced landing.
- [NTSB NYC00LA009](https://openairdocs.org/ntsb/NYC00LA009.md): Grumman G164 · Burkittsville, MD · Accident · Minor injuries · Limited investigation · Final report · Oct 9, 1999 · N7856 · Substantial damage
  > The vehicle drivers inadequate lookout.
- [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 ATL99LA133](https://openairdocs.org/ntsb/ATL99LA133.md): Grumman-Schweizer G-164B · Enterprise, AL · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 1999 · N6736Q · Destroyed
  > The loss of engine power for undetermined reasons. Contributing to the severity of the accident was the in-flight collision with a tree during the forced landing.
- [NTSB ANC99LA124](https://openairdocs.org/ntsb/ANC99LA124.md): de Havilland DHC-2 · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Aug 25, 1999 · N930TG · Substantial damage
  > The pilot's selection of an unsuitable takeoff area, and an inadvertent stall. Factors associated with the accident were large wave/swells, and low light conditions (dawn).
- [NTSB CHI99LA262](https://openairdocs.org/ntsb/CHI99LA262.md): Beech C-45H · Grain Valley, MO · Accident · No injuries · Limited investigation · Final report · Jul 28, 1999 · N72409 · Substantial damage
  > the failure of the pilot to use the tailwheel lock on takeoff, creating a condition where it was not possible for the pilot to maintain directional control. Factors were the unlocked tailwheel and the ditch.
- [NTSB DEN99LA129](https://openairdocs.org/ntsb/DEN99LA129.md): Boeing A-75-N1 (Stearman) · Tooele, UT · Accident · No injuries · Limited investigation · Final report · Jul 26, 1999 · N56772 · Substantial damage
  > The failure of the right main landing gear tire's inner tube, and the subsequent inadvertent ground loop by the pilot.
- [NTSB SEA99LA127](https://openairdocs.org/ntsb/SEA99LA127.md): Beech D17S · Arco, ID · Accident · No injuries · Limited investigation · Final report · Jul 24, 1999 · N217SD · Substantial damage
  > Fuel starvation which resulted in a loss of power. The pilot's improper management of fuel was a factor.
- [NTSB CHI99LA254](https://openairdocs.org/ntsb/CHI99LA254.md): Beech G18S · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Jul 23, 1999 · N621KE · Substantial damage
  > the premature gear retraction and proper runway alignment not maintained during takeoff by the pilot. An additional cause was the proper descent rate not maintained by the pilot. Contributing factors were the carburetor icing conditions
- [NTSB FTW99LA182](https://openairdocs.org/ntsb/FTW99LA182.md): Grumman G-164B · Iowa, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 1999 · N6703Q · Substantial damage
  > The pilot's failure to maintain clearance with the crops being sprayed. A factor was the pilot's diverted attention.
- [NTSB CHI99LA214](https://openairdocs.org/ntsb/CHI99LA214.md): Weatherly 620B · Timber Lake, SD · Accident · No injuries · Limited investigation · Final report · Jul 6, 1999 · N350WR · Substantial damage
  > the pilots selection of the shorter runway and his failure to abort the takeoff. Factors to the accident were the high density altitude, the fence and the fence posts.
- [NTSB SEA99LA079](https://openairdocs.org/ntsb/SEA99LA079.md): Snow S2C · Paul, ID · Accident · No injuries · Limited investigation · Final report · Jun 1, 1999 · N1665S · Substantial damage
  > The pilot's inaccurate weight and balance calculations, and his delay in jettisoning the load which resulted in his failure to clear rising terrain. Contributing to the accident was the high density altitude, and the pilot's intentional operation with known…
- [NTSB FTW99FA150](https://openairdocs.org/ntsb/FTW99FA150.md): Grumman-Schweizer G164-B · Brinkley, AR · Accident · 1 fatal · Field investigation · Final report · May 26, 1999 · N8285K · Destroyed
  > The pilot's inadvertent VFR flight into instrument meteorological conditions. Contributing factors were the pilots failure to maintain control of the aircraft, spatial disorientation, and the fog.
- [NTSB NYC99LA119](https://openairdocs.org/ntsb/NYC99LA119.md): Howard DGA-15P · Covington, KY · Accident · No injuries · Limited investigation · Final report · May 25, 1999 · N79M · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff/initial climb. A factor in the accident was the crosswind condition.
- [NTSB FTW99LA149](https://openairdocs.org/ntsb/FTW99LA149.md): Weatherly 620B · Whiteface, TX · Accident · Serious injuries · Limited investigation · Final report · May 25, 1999 · N6305W · Substantial damage
  > The pilot's selection of unsuitable terrain for takeoff. Contributing to the accident was the soft ground and the standing water on the runway.
- [NTSB CHI99LA162](https://openairdocs.org/ntsb/CHI99LA162.md): Grumman-Schweizer G-164B · Buxton, ND · Accident · No injuries · Limited investigation · Final report · May 25, 1999 · N6524K · Substantial damage
  > the number one cylinder's separation, the pilot's visual lookout not possible through the oil given off by the number one cylinder, and the embankment. A factor in the accident was the oil.
- [NTSB FTW99FA148](https://openairdocs.org/ntsb/FTW99FA148.md): Beech C18S · Waldron, AR · Accident · 1 fatal · Field investigation · Final report · May 24, 1999 · N9729H · Destroyed
  > the separation of a propeller blade in cruise flight as a result of fatigue cracking emanating from surface corrosion pitting.
- [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 FTW99LA101](https://openairdocs.org/ntsb/FTW99LA101.md): Grumman G-164B · Jennings, LA · Accident · No injuries · Limited investigation · Final report · Mar 26, 1999 · N6758Q · Substantial damage
  > The pilot's inadvertent stall during the departure turn to downwind. A factor was the tailwind.
- [NTSB MIA99FA114](https://openairdocs.org/ntsb/MIA99FA114.md): Grumman G-21A · Lauderdale Lake, FL · Accident · 1 fatal · Field investigation · Final report · Mar 25, 1999 · N5548A · Destroyed
  > The pilots failure to correctly identify an in-flight emergency (fluctuating manifold pressure and rpm due to a disconnected spark plug lead / unscrewed ignition lead shroud) and failure to complete the engine shutdown procedure once it was initiated…
- [NTSB CHI99FA105](https://openairdocs.org/ntsb/CHI99FA105.md): Beech C-45G · Romulus, MI · Accident · 1 fatal · Field investigation · Final report · Mar 11, 1999 · N234L · Destroyed
  > the aircraft control not maintained and the inadvertent stall by the pilot while maneuvering to the landing area. The open door was a contributing factor.
- [NTSB MIA99FA095](https://openairdocs.org/ntsb/MIA99FA095.md): Beech AT11/18 · Tampa, FL · Accident · 2 fatal · Field investigation · Final report · Feb 27, 1999 · N65860 · Destroyed
  > the pilot's failure to maintain control of the airplane resulting in an inadvertent stall at too low an altitude to allow for recovery.
- [NTSB CHI99LA063](https://openairdocs.org/ntsb/CHI99LA063.md): Beech BE-C-45H · St. Joseph, MO · Accident · No injuries · Limited investigation · Final report · Jan 11, 1999 · N165ZA · Substantial damage
  > the pilot not maintaining directional control during the landing rollout. A factor in this accident was the patchy snow on the runway.
- [NTSB LAX99LA070](https://openairdocs.org/ntsb/LAX99LA070.md): Avions Max Holste MH 1521 Broussard · Minden, NV · Accident · No injuries · Limited investigation · Final report · Jan 1, 1999 · N4022 · Substantial damage
  > The pilot's failure to maintain proper runway alignment during a rejected takeoff. A factor in the accident was the undetermined pitch control/trim system problem, which led to the pilot's rejected takeoff decision and may have distracted him during attempts…
- [NTSB MIA99LA041](https://openairdocs.org/ntsb/MIA99LA041.md): Grumman-Schweizer G-164B · Fort Gains, GA · Accident · No injuries · Limited investigation · Final report · Dec 1, 1998 · N6630Q · Substantial damage
  > a power loss due to internal damage to the second- and third- stage turbine rotor blades, due to thermal heat, rendering the engine incapable of producing full power, resulting in a forced landing, and subsequent impact with the terrain.
- [NTSB ANC99LA007](https://openairdocs.org/ntsb/ANC99LA007.md): de Havilland DHC-2 · Chitina, AK · Accident · No injuries · Limited investigation · Final report · Oct 18, 1998 · N94DC · Substantial damage
  > The pilot's inadequate preflight which failed to detect water contamination in the fuel system. A factor was the unsuitable terrain in the emergency landing area.
- [NTSB FTW98LA410](https://openairdocs.org/ntsb/FTW98LA410.md): Grumman G-164A · Mart, TX · Accident · No injuries · Limited investigation · Final report · Sep 25, 1998 · N983X · Substantial damage
  > The loss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ANC98LA157](https://openairdocs.org/ntsb/ANC98LA157.md): de Havilland DHC-2 · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Sep 19, 1998 · N700NL · Substantial damage
  > The pilot's inadequate compensation for the gusty wind conditions, and his attempted flight into adverse weather. Factors associated with the accident are high and gusty winds.
- [NTSB FTW98LA407](https://openairdocs.org/ntsb/FTW98LA407.md): Snow S2C · Bovina, TX · Accident · No injuries · Limited investigation · Final report · Sep 18, 1998 · N9492R · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB ANC98LA112](https://openairdocs.org/ntsb/ANC98LA112.md): de Havilland DHC-2 · Nondalton, AK · Accident · 1 fatal · Limited investigation · Final report · Jul 30, 1998 · N123EF · No damage
  > The pilot's inadequate procedures/directives when he allowed a passenger to exit the cabin area while the propeller was still turning, and the passenger's failure to follow the pilot's instructions to stay away from the propeller. A factor associated with the…
- [NTSB SEA98LA140](https://openairdocs.org/ntsb/SEA98LA140.md): Grumman-Schweizer G-164A · Caldwell, ID · Accident · No injuries · Limited investigation · Final report · Jul 17, 1998 · N7951 · Substantial damage
  > The pilot-in-command's misjudgment of clearance with a power line, resulting in a collision with the line. Factors included a power line and dark night light conditions in the spray area.
- [NTSB LAX98LA207](https://openairdocs.org/ntsb/LAX98LA207.md): Naval Aircraft Factory N3N-3 · Skull Valley, AZ · Accident · Serious injuries · Limited investigation · Final report · Jun 20, 1998 · N45053 · Destroyed
  > The pilot's failure to maintain control of the aircraft while maneuvering at a low altitude.
- [NTSB FTW98LA249](https://openairdocs.org/ntsb/FTW98LA249.md): Grumman G-164A · Iowa, LA · Accident · No injuries · Limited investigation · Final report · May 29, 1998 · N8629H · Substantial damage
  > partial loss of engine power during takeoff for undetermined reason(s). The obstructions (trees & dirt bank) were related factors.
- [NTSB CHI98LA175](https://openairdocs.org/ntsb/CHI98LA175.md): Boeing Stearman A75-N1 · West Fargo, ND · Accident · No injuries · Limited investigation · Final report · May 27, 1998 · N49955 · Substantial damage
  > the pilot's failure to assure an adequate fuel supply in order to complete the flight. A factor associated with the accident was the soft terrain on which the forced landing was made.

Next page: https://openairdocs.org/ntsb.md?engine=52008&page=8

## 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=7

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