# Final 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 1 of 38 · 1,855 cases

## Latest cases

- [NTSB WPR26LA138](https://openairdocs.org/ntsb/WPR26LA138.md): Boeing A75N1 · Mesa, AZ · Accident · No injuries · Class 4 · Limited · Final report · Mar 21, 2026 · N5045V · Substantial damage
  > The pilot's failure to maintain directional control during the landing rollout, which resulted in a ground loop.
- [NTSB ANC25LA085](https://openairdocs.org/ntsb/ANC25LA085.md): Dehavilland DHC-2 MK 1 · Soldotna, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 9, 2025 · N232KT · Substantial damage
  > The pilot’s failure to maintain clearance from rising terrain while maneuvering at low altitude.
- [NTSB CEN25LA286](https://openairdocs.org/ntsb/CEN25LA286.md): Weatherly 620B · Rushmore, MN · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 23, 2025 · N2032J · Substantial damage
  > The pilot’s failure to maintain clearance from a tree during low-level maneuvering.
- [NTSB ERA25LA276](https://openairdocs.org/ntsb/ERA25LA276.md): Howard DGA-15P · Farmingdale, NY · Accident · No injuries · Class 4 · Limited · Final report · Jul 22, 2025 · N67722 · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane while landing in a crosswind.
- [NTSB ANC25LA074](https://openairdocs.org/ntsb/ANC25LA074.md): Dehavilland Beaver DHC-2 MK.1 · Nelson Lagoon, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 11, 2025 · N109KS · Substantial damage
  > The pilot’s failure to maintain clearance from a creek bank while maneuvering to land.
- [NTSB ANC25LA068](https://openairdocs.org/ntsb/ANC25LA068.md): Dehavilland Beaver DHC-2 MK.1 · Kokhanok, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 6, 2025 · N67251 · Substantial damage
  > The pilot’s failure to attain a proper touchdown point during landing which resulted in a hard landing.
- [NTSB CEN25LA231](https://openairdocs.org/ntsb/CEN25LA231.md): Grumman Acft ENG Cor-Schweizer G-164B · Lockport, LA · Accident · No injuries · Class 3 · Limited · Final report · Jul 1, 2025 · N8834H · Substantial damage
  > The pilot’s inadequate planning for the high density altitude conditions which resulted in reduced airplane performance, climb capability, and subsequent forced landing.
- [NTSB WPR25LA165](https://openairdocs.org/ntsb/WPR25LA165.md): Weatherly 620B · Lewiston, MT · Accident · No injuries · Class 4 · Limited · Final report · May 30, 2025 · N90393 · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude.
- [NTSB ERA25LA047](https://openairdocs.org/ntsb/ERA25LA047.md): Boeing A75N1(PT17) · Huntington, WV · Accident · No injuries · Class 3 · Limited · Final report · Nov 18, 2024 · N55464 · Substantial damage
  > The pilot’s failure to utilize carburetor heat while operating the engine at low power and in conditions conducive to the formation of carburetor ice, which resulted in a total loss of engine power due to carburetor icing.
- [NTSB ERA25LA004](https://openairdocs.org/ntsb/ERA25LA004.md): Grumman Acft ENG Cor-Schweizer G-164A · Parsonsburg, MD · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 7, 2024 · N8957H · Substantial damage
  > A total loss of engine power for reasons that were not determined.
- [NTSB ANC24LA073](https://openairdocs.org/ntsb/ANC24LA073.md): De Havilland DHC2 · Anchorage, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 2, 2024 · N4444Z · Substantial damage
  > A partial loss of power during takeoff climb for undetermined reasons.
- [NTSB CEN24LA257](https://openairdocs.org/ntsb/CEN24LA257.md): Grumman Acft ENG Cor-Schweizer G-164B · Sedgwick, AR · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 8, 2024 · N6500K · Substantial damage
  > The pilot’s failure to maintain clearance from a power line during the spray pass.
- [NTSB ANC24LA060](https://openairdocs.org/ntsb/ANC24LA060.md): De Havilland DHC2 · Susitna, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 2, 2024 · N6LU · Substantial damage
  > The pilot’s selection of an unsuitable takeoff area, resulting in the floats contacting the shallow river bottom during takeoff, and a subsequent loss of control.
- [NTSB ANC24LA054](https://openairdocs.org/ntsb/ANC24LA054.md): Dehavilland Beaver DHC-2 MK.1 · Aleknagik, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 21, 2024 · N55WE · Substantial damage
  > The pilot’s failure to maintain pitch control of the airplane during initial climb.
- [NTSB ERA24FA266](https://openairdocs.org/ntsb/ERA24FA266.md): Lockheed 12 · Jackson, GA · Accident · Serious injuries · Class 3 · Field · Final report · Jun 17, 2024 · N2072 · Substantial damage
  > Maintenance personnel’s failure to properly secure the right brake line, which resulted in a loss of right brake effectiveness during the landing roll and a subsequent runway excursion.
- [NTSB WPR24FA196](https://openairdocs.org/ntsb/WPR24FA196.md): Lockheed 12A · Chino, CA · Accident · 2 fatal · Class 3 · Field · Final report · Jun 15, 2024 · N93R · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall at an altitude insufficient for recovery. Contributing to the accident was the pilot’s failure to ensure that the airplane was…
- [NTSB ANC24LA049](https://openairdocs.org/ntsb/ANC24LA049.md): Dehavilland Beaver L-20A (DHC-2) · Port Alsworth, AK · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 11, 2024 · N4957 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined.
- [NTSB CEN24LA213](https://openairdocs.org/ntsb/CEN24LA213.md): Boeing E75 · Shuteston, LA · Accident · No injuries · Class 4 · Limited · Final report · Jun 7, 2024 · N768WM · Substantial damage
  > The pilot failure to maintain directional control while landing on a wet grass strip.
- [NTSB ANC24LA037](https://openairdocs.org/ntsb/ANC24LA037.md): Dehavilland Beaver DHC-2 MK.1 · Fairbanks, AK · Accident · No injuries · Class 4 · Limited · Final report · May 28, 2024 · N5343G · Substantial damage
  > The pilot’s improper fuel management resulting in a loss of engine power due to fuel starvation.
- [NTSB ANC23LA071](https://openairdocs.org/ntsb/ANC23LA071.md): Bell Helicopter Textron Canada 206L-4 · King Salmon, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 5, 2023 · N193AL · 2 aircraft · Substantial damage
  > The failure of both pilots to see and avoid while en route, which resulted in a midair collision.
- [NTSB ANC23LA057](https://openairdocs.org/ntsb/ANC23LA057.md): Dehavilland DHC-2 MK. I(L20A) · Point Baker, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 26, 2023 · N6782L · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff with a quartering tailwind.
- [NTSB WPR23LA284](https://openairdocs.org/ntsb/WPR23LA284.md): Boeing A75N1 · Red Lodge, MT · Accident · No injuries · Class 4 · Limited · Final report · Jul 22, 2023 · N53132 · Substantial damage
  > The pilot’s loss of directional control during landing with wind gusts, which resulted in a ground loop and collision with a fence.
- [NTSB ANC23LA054](https://openairdocs.org/ntsb/ANC23LA054.md): Dehavilland DHC-2 MK. I(L20A) · Twin Hills, AK · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 13, 2023 · N302BL · Substantial damage
  > The pilot’s loss of control during initial climb for reasons that could not be determined.
- [NTSB ANC23LA052](https://openairdocs.org/ntsb/ANC23LA052.md): Dehavilland DHC-2 · McCarthy, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 12, 2023 · N814DW · Substantial damage
  > A failure of the right brake caliper bolts during landing, which resulted in a runway excursion and subsequent impact with terrain.
- [NTSB CEN23LA232](https://openairdocs.org/ntsb/CEN23LA232.md): Grumman Acft ENG Cor-Schweizer G-164B · Bloomfield, NE · Accident · No injuries · Class 3 · Limited · Final report · Jun 7, 2023 · N48485 · Substantial damage
  > A partial loss of engine power during takeoff for reasons that could not be determined.
- [NTSB CEN23LA212](https://openairdocs.org/ntsb/CEN23LA212.md): Grumman Acft ENG Cor-Schweizer G-164B · Light, AR · Accident · Minor injuries · Class 4 · Limited · Final report · May 29, 2023 · N6678Q · Substantial damage
  > The pilot exceeding the climb capability of the airplane during takeoff which led to it settling into the ground.
- [NTSB CEN23LA202](https://openairdocs.org/ntsb/CEN23LA202.md): Grumman Acft ENG Cor-Schweizer G-164B · Wright, LA · Accident · No injuries · Class 4 · Limited · Final report · May 25, 2023 · N6699Q · Substantial damage
  > The pilot's decision to takeoff with the airplane overloaded which resulted in the airplane settling and subsequently impacting terrain.
- [NTSB ANC23LA030](https://openairdocs.org/ntsb/ANC23LA030.md): Dehavilland Beaver DHC-2 MK.1 · Soldotna, AK · Accident · No injuries · Class 4 · Limited · Final report · Apr 22, 2023 · N454FU · Substantial damage
  > The pilot’s selection of an unsuitable landing site, which resulted in the main landing gear wheels breaking through the snow and the airplane nosing over.
- [NTSB WPR23LA120](https://openairdocs.org/ntsb/WPR23LA120.md): Grumman Acft ENG Cor-Schweizer G-164B · Vernalis, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 3, 2023 · N48492 · Substantial damage
  > The pilot’s failure to maintain clearance from a power line during a low-level aerial application flight.
- [NTSB ANC22LA078](https://openairdocs.org/ntsb/ANC22LA078.md): Dehavilland DHC-2 · Egegik, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 19, 2022 · N24BR · Substantial damage
  > The pilot’s loss of control during takeoff in gusting wind conditions.
- [NTSB CEN22LA354](https://openairdocs.org/ntsb/CEN22LA354.md): Air Tractor AT-301 · Lamoni, IA · Accident · No injuries · Class 3 · Limited · Final report · Aug 1, 2022 · N4326S · Destroyed
  > A loss of airplane performance for reasons that could not be determined.
- [NTSB ANC22LA063](https://openairdocs.org/ntsb/ANC22LA063.md): De Havilland DHC2 · Anchorage, AK · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 26, 2022 · N9776R · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in the wing exceeding its critical angle of attack, a loss of control and impact with the water.
- [NTSB ANC22LA056](https://openairdocs.org/ntsb/ANC22LA056.md): Dehavilland Beaver DHC-2 MK.1 · Bettles, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 15, 2022 · N4040W · Substantial damage
  > The pilot's failure to maintain control of the airplane during taxi operations on a riverbank with shallow water.
- [NTSB ANC22LA050](https://openairdocs.org/ntsb/ANC22LA050.md): Dehavilland Beaver U-6A · Kokhanok, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 26, 2022 · N600NL · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in a loss of control and impact with the water.
- [NTSB WPR21LA349](https://openairdocs.org/ntsb/WPR21LA349.md): Beech D17S · San Diego / El Cajon, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 21, 2021 · N1196V · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during the landing roll with a crosswind, which resulted in a runway excursion and subsequent collision with runway signage.
- [NTSB ANC21LA081](https://openairdocs.org/ntsb/ANC21LA081.md): Dehavilland DHC-2 MK. I(L20A) · Kodiak, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 21, 2021 · N4334Y · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing and nose over.
- [NTSB CEN21LA333](https://openairdocs.org/ntsb/CEN21LA333.md): Boeing E75 · Baraboo, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 23, 2021 · N51CF · Substantial damage
  > The pilot’s failure to maintain clearance from the fence while on final approach.
- [NTSB CEN21LA329](https://openairdocs.org/ntsb/CEN21LA329.md): Grumman Acft ENG Cor-Schweizer G-164B · Amana, IA · Accident · No injuries · Class 3 · Limited · Final report · Jul 19, 2021 · N8422K · Substantial damage
  > The loss of engine power for reasons that could not be determined.
- [NTSB ANC21LA057](https://openairdocs.org/ntsb/ANC21LA057.md): Dehavilland DHC-2-L-20 · Coffman Cove, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2021 · N9279Z · Substantial damage
  > The pilot’s impact with a buoy on takeoff which resulted in a nose-over.
- [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 WPR21LA125](https://openairdocs.org/ntsb/WPR21LA125.md): Phillip B Rolls Pitts 12-EH · Red Bluff, CA · Accident · No injuries · Class 4 · Limited · Final report · Mar 8, 2021 · N54LM · Substantial damage
  > The pilot's failure to maintain directional control during a landing, which resulted in a ground loop and subsequent nose over.
- [NTSB ANC20LA074](https://openairdocs.org/ntsb/ANC20LA074.md): De Havilland DHC-2 · Soldotna, AK · Accident · 7 fatal · Class 3 · Limited · Final report · Jul 31, 2020 · N4982U · 2 aircraft · Substantial damage
  > The failure of both pilots to see and avoid the other airplane. Contributing to the accident were (1) the PA-12 pilot’s decision to fly with a known severe vision deficiency that had resulted in denial of his most recent application for medical certification…
- [NTSB WPR20LA226](https://openairdocs.org/ntsb/WPR20LA226.md): Boeing B75 · Chino, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 5, 2020 · N61445 · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB WPR20FA206](https://openairdocs.org/ntsb/WPR20FA206.md): Cessna TU206 · Coeur d'Alene, ID · Accident · 8 fatal · Class 3 · Field · Final report · Jul 5, 2020 · N6373U · 2 aircraft · Destroyed
  > The failure of the pilots of both airplanes to see and avoid the other airplane.
- [NTSB GAA20CA033](https://openairdocs.org/ntsb/GAA20CA033.md): Weatherly 620 · Fabens, TX · Accident · No injuries · Data collection · Final report · Oct 17, 2019 · N9033T · Substantial damage
  > The pilot's failure to maintain clearance from power wires while maneuvering at a low altitude.
- [NTSB GAA20CA007](https://openairdocs.org/ntsb/GAA20CA007.md): De Havilland Beaver DHC 2 · Kodiak, AK · Accident · No injuries · Data collection · Final report · Oct 7, 2019 · N1544 · Substantial damage
  > The pilot's failure to maintain lateral control while landing on glassy water, which resulted in the left float touching the water, a loss of yaw control, and impact with a riverbank.
- [NTSB GAA19CA562](https://openairdocs.org/ntsb/GAA19CA562.md): De Havilland Beaver DHC 2 MK.1 · Kotzebue, AK · Accident · No injuries · Data collection · Final report · Sep 20, 2019 · N67112 · Substantial damage
  > The pilot's delayed decision to abort the takeoff from water after the airplane impacted a submerged object, which resulted in insufficient airspeed for liftoff and led to the pilot steering the airplane toward a mud embankment to avoid rocks.
- [NTSB ERA19LA263](https://openairdocs.org/ntsb/ERA19LA263.md): Weatherly 620 · Russellville, AL · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 2, 2019 · N90104 · Destroyed
  > The pilot's failure to see and avoid powerlines during low-altitude agricultural spraying flight operations.
- [NTSB CEN19FA278](https://openairdocs.org/ntsb/CEN19FA278.md): Grumman G164 · Hays, KS · Accident · 1 fatal · Field investigation · Final report · Aug 20, 2019 · N3631Z · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.
- [NTSB GAA19CA491](https://openairdocs.org/ntsb/GAA19CA491.md): Consolidated Vultee BT13 · Franklin, PA · Accident · No injuries · Data collection · Final report · Aug 10, 2019 · N62644 · Substantial damage
  > The pilot's failure to maintain directional control during takeoff in gusting crosswind conditions, which resulted in a runway excursion and the left main landing gear collapsing.

Next page: https://openairdocs.org/ntsb.md?engine=52008&status=final&page=2

## 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 ('52008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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