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

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 4 · 175 cases

## Latest cases

- [NTSB ANC26LA086](https://openairdocs.org/ntsb/ANC26LA086.md): Dehavilland DHC-2 · Igiugig, AK · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 7, 2026 · N62230 · Substantial damage
- [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 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 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 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 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 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 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 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 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 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 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 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 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 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 ANC19FA035](https://openairdocs.org/ntsb/ANC19FA035.md): De Havilland Beaver DHC 2 · Seldovia, AK · Accident · 1 fatal · Class 2 · Field · Final report · Jul 19, 2019 · N68083 · Substantial damage
  > The airplane's floats impact with an ocean wave or swell, which exceeded the design load specifications of the flying wire assemblies and resulted in a partial separation of the float assemblies.
- [NTSB ANC19LA028](https://openairdocs.org/ntsb/ANC19LA028.md): De Havilland DHC-2 · Ketchikan, AK · Accident · No injuries · Class 3 · Limited · Final report · Jun 27, 2019 · N94DC · Substantial damage
  > A loss of directional control while landing, which resulted in a water loop.
- [NTSB ANC19FA019](https://openairdocs.org/ntsb/ANC19FA019.md): De Havilland DHC 2 · Metlakatla, AK · Accident · 2 fatal · Class 2 · Field · Final report · May 20, 2019 · N67667 · Substantial damage
  > The pilot’s inadequate compensation for a quartering tailwind during a water landing, which resulted in a loss of control and subsequent nose-over. Contributing to the accident was the company’s inadequate operational control of the flight release process,…
- [NTSB GAA18CA581](https://openairdocs.org/ntsb/GAA18CA581.md): De Havilland DHC 2 MK. I(L20A) · Kukaklek Lake, AK · Accident · Minor injuries · Data collection · Final report · Sep 24, 2018 · N9RW · Substantial damage
  > The pilot’s failure to see and avoid a sand bar during a water takeoff, which resulted in the airplane impacting a river bank.
- [NTSB GAA18CA565](https://openairdocs.org/ntsb/GAA18CA565.md): De Havilland DHC 2 · Igiugig, AK · Accident · Minor injuries · Data collection · Final report · Sep 20, 2018 · N121AK · Substantial damage
  > The pilot’s selection of an empty fuel tank for takeoff, which resulted in fuel starvation and the subsequent total loss of engine power.
- [NTSB ANC18FA063](https://openairdocs.org/ntsb/ANC18FA063.md): De Havilland DHC-2 · Talkeetna, AK · Accident · 5 fatal · Field investigation · Final report · Aug 5, 2018 · N323KT · Substantial damage
  > Impact with terrain for reasons that could not be determined because the airplane was not recovered due to the inaccessible nature of the accident site.
- [NTSB ANC18FA055](https://openairdocs.org/ntsb/ANC18FA055.md): De Havilland DHC-2 · Willow, AK · Accident · 1 fatal · Class 2 · Field · Final report · Jul 19, 2018 · N9878R · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack during departure climb, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's improper decision to load the airplane beyond its allowable gross weight and center…
- [NTSB ANC18LA047](https://openairdocs.org/ntsb/ANC18LA047.md): Dehavilland DHC-2 · Dillingham, AK · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 2018 · N5221G · Substantial damage
  > The pilot's failure to maintain directional control while landing in gusting wind conditions.
- [NTSB ANC18LA025](https://openairdocs.org/ntsb/ANC18LA025.md): Dehavilland Beaver DHC 2 · Kodiak, AK · Accident · No injuries · Limited investigation · Final report · Jan 24, 2018 · N1544 · Substantial damage
  > The pilot's failure to maintain directional control during landing for reasons that could not be determined based on the available evidence.
- [NTSB ANC17LA032](https://openairdocs.org/ntsb/ANC17LA032.md): Dehavilland DHC-2 · Ketchikan, AK · Accident · Minor injuries · Class 2 · Limited · Final report · Jun 18, 2017 · N930TG · Substantial damage
  > The pilot's misjudgment of the takeoff distance needed to depart the lake, and his subsequent failure to maintain clearance from the water during a turn to avoid terrain, which resulted in impact with water.
- [NTSB ANC17LA017](https://openairdocs.org/ntsb/ANC17LA017.md): Beech G18 · Metlakatla, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 3, 2017 · N103AF · Substantial damage
  > An engine power loss for reasons that could not be determined because the airplane was not recovered.
- [NTSB ANC16LA054](https://openairdocs.org/ntsb/ANC16LA054.md): De Havilland Beaver DHC-2 · Iliamna, AK · Accident · Serious injuries · Limited investigation · Final report · Aug 9, 2016 · N95RC · Substantial damage
  > The pilot's decision to perform the takeoff despite calculations showing that the distance available was inadequate, which resulted in impact with terrain.
- [NTSB ANC15CA075](https://openairdocs.org/ntsb/ANC15CA075.md): Dehavilland Beaver DHC 2 MK.1 · Arctic Village, AK · Accident · No injuries · Data collection · Final report · Sep 3, 2015 · N55WE · Substantial damage
  > The pilot's selection of an unsuitable, off-airport site, which resulted in a nose over.
- [NTSB ANC13CA098](https://openairdocs.org/ntsb/ANC13CA098.md): Dehavilland Beaver DHC 2 · Akhiok, AK · Accident · No injuries · Data collection · Final report · Sep 14, 2013 · N1544 · Substantial damage
  > The pilot's failure to maintain directional control during takeoff in a gusty tailwind.
- [NTSB ANC13CA087](https://openairdocs.org/ntsb/ANC13CA087.md): Dehavilland DHC-2 MK. I(L20A) · Bethel, AK · Accident · No injuries · Data collection · Final report · Aug 27, 2013 · N734Q · Substantial damage
  > The pilot's failure to maintain directional control and crosswind compensation during landing.
- [NTSB ANC13FA054](https://openairdocs.org/ntsb/ANC13FA054.md): Dehavilland Beaver DHC-2 MK.1 · Petersburg, AK · Accident · 1 fatal · Field investigation · Final report · Jun 4, 2013 · N616W · Substantial damage
  > The pilot’s failure to maintain adequate altitude above the trees, and his subsequent failure to maintain adequate airspeed while maneuvering to avoid the trees, which resulted in an inadvertent aerodynamic stall/spin and an uncontrolled descent.
- [NTSB ANC13CA037](https://openairdocs.org/ntsb/ANC13CA037.md): Dehavilland DHC-2 MK. I(L20A) · Anchorage, AK · Accident · No injuries · Data collection · Final report · Mar 26, 2013 · N995SP · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane while taxiing on a snow-covered taxiway.
- [NTSB ANC13CA018](https://openairdocs.org/ntsb/ANC13CA018.md): Dehavilland DHC-2 MK. I(L20A) · Skwentna, AK · Accident · No injuries · Data collection · Final report · Dec 17, 2012 · N121KT · Substantial damage
  > The pilot's loss of control while landing in gusting wind conditions.
- [NTSB ANC12CA092](https://openairdocs.org/ntsb/ANC12CA092.md): Dehavilland Beaver U-6 · Kenai, AK · Accident · Minor injuries · Data collection · Final report · Aug 25, 2012 · N314HA · Substantial damage
  > The pilot’s failure to maintain adequate ground clearance during his landing approach, which resulted in a collision with terrain.
- [NTSB ANC12CA060](https://openairdocs.org/ntsb/ANC12CA060.md): Dehavilland Beaver DHC-2 · Ketchikan, AK · Accident · No injuries · Data collection · Final report · Jul 2, 2012 · N1018A · Substantial damage
  > The pilot’s failure to maintain directional control during a step turn on floats.
- [NTSB ANC12LA051](https://openairdocs.org/ntsb/ANC12LA051.md): Dehavilland DHC-2 · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Jun 14, 2012 · N121KT · Substantial damage
  > The loss of engine power after departure due to the separation of an engine cylinder.
- [NTSB ANC12CA041](https://openairdocs.org/ntsb/ANC12CA041.md): Dehavilland DHC-2 MK. I(L20A) · Talkeetna, AK · Accident · No injuries · Data collection · Final report · May 22, 2012 · N323KT · Substantial damage
  > The pilot inadvertently landed with the parking brake set.
- [NTSB ANC12LA026](https://openairdocs.org/ntsb/ANC12LA026.md): Dehavilland Beaver DHC-2 · Ketchikan, AK · Accident · Serious injuries · Limited investigation · Final report · Mar 13, 2012 · N82SF · Substantial damage
  > The pilot's decision to depart in marginal visual meteorological conditions, and his continued visual flight into instrument meteorological conditions.
- [NTSB ANC11TA079](https://openairdocs.org/ntsb/ANC11TA079.md): Dehavilland DHC-2 MK. I(L20A) · Northway, AK · Accident · No injuries · Final report · Aug 3, 2011 · N723DR · Substantial damage
  > The pilot's failure to identify unsuitable terrain for landing and subsequent contact with a dirt mound, resulting in the separation of the tailwheel from the airframe.
- [NTSB ANC11LA007](https://openairdocs.org/ntsb/ANC11LA007.md): Beech E18S-9700 · New Stuyahok, AK · Accident · No injuries · Limited investigation · Final report · Jan 3, 2011 · N9001 · Substantial damage
  > The pilot's misjudgment of the runway surface condition, resulting in an aborted landing and collision with rising terrain during the ensuing takeoff attempt.
- [NTSB ANC10FA100](https://openairdocs.org/ntsb/ANC10FA100.md): Dehavilland DHC-2 · Katmai National Park, AK · Accident · 4 fatal · Field investigation · Final report · Aug 21, 2010 · N9313Z · Substantial damage
  > Undetermined.
- [NTSB ANC10FA064](https://openairdocs.org/ntsb/ANC10FA064.md): Dehavilland Beaver DHC-2 MK.1 · Ketchikan, AK · Accident · 1 fatal · Field investigation · Final report · Jul 23, 2010 · N9290Z · Substantial damage
  > The pilot’s decision to continue the flight toward his destination in significant turbulence and downdrafts, and his subsequent failure to maintain control of the airplane while flying low over rising terrain.

Next page: https://openairdocs.org/ntsb.md?engine=52008&state=AK&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."eventStateOrRegion" = 'AK' 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=AK

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