# NTSB investigations, AK: Loss of engine power (partial)

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 2 · 63 cases

## Latest cases

- [NTSB ANC26LA068](https://openairdocs.org/ntsb/ANC26LA068.md): Schweizer 269C · Skwentna, AK · Accident · Minor injuries · Class 4 · Limited · Investigation open · Jul 5, 2026 · N907AL · Substantial damage
- [NTSB ANC26LA062](https://openairdocs.org/ntsb/ANC26LA062.md): Textron 208B · Wiseman, AK · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 22, 2026 · N94AW · Substantial damage
  > On June 22, 2026, about 1043 Alaska standard time, a turbine-powered Cessna 208B airplane N94AW, was substantially damaged when it was involved in an accident near Wiseman, Alaska. The nine passengers were uninjured, the pilot sustained minor injuries. The…
- [NTSB ANC26LA029](https://openairdocs.org/ntsb/ANC26LA029.md): Maule M-7-235 · Wasilla, AK · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 3, 2026 · N93ML · Substantial damage
  > On April 3, 2026, at 1300 Alaska daylight time, a Maule M 7 235 airplane, N93ML, was substantially damaged during an accident near Wasilla, Alaska. The pilot and one passenger were not injured. The airplane was operated as a personal flight under the…
- [NTSB ANC26LA013](https://openairdocs.org/ntsb/ANC26LA013.md): Piper PA-22-150 · Anchorage, AK · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Feb 1, 2026 · N3263Z · Substantial damage
  > On January 31, 2026, about 1921 Alaska standard time, a Piper PA-22-150 airplane, N3263Z, was substantially damaged when it was involved in an accident near Anchorage, Alaska. The pilot was uninjured, and the passenger was transported to the hospital with…
- [NTSB ANC25LA094](https://openairdocs.org/ntsb/ANC25LA094.md): Piper PA-28-180 · Chicken, AK · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Aug 24, 2025 · N7771N · Substantial damage
  > On August 24, 2025, about 0820 Alaska daylight time, a Piper PA-28-180 airplane, N7771N, was substantially damaged when it was involved in an accident near Chicken, Alaska. The pilot and one passenger sustained minor injuries; the second passenger was…
- [NTSB ANC25LA077](https://openairdocs.org/ntsb/ANC25LA077.md): Cessna 210-5 · Yakutat, AK · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 24, 2025 · N8457Z · Substantial damage
  > On July 23, 2025, about 1700 Alaska daylight time, a Cessna 210-5 (205) airplane, N8457Z, was substantially damaged when it was involved in an accident on a remote beach about 50 miles southeast of Yakutat, Alaska. The pilot was uninjured. The airplane was…
- [NTSB ANC24FA092](https://openairdocs.org/ntsb/ANC24FA092.md): Jon Bergstedt JP Flyer · Wasilla, AK · Accident · 1 fatal · Class 3 · Field · Final report · Sep 14, 2024 · N1202Y · Destroyed
  > The installation of an improperly sized fuel line that did not allow for adequate fuel flow to the engine, resulting in a partial loss of engine power and collision with trees.
- [NTSB ANC24LA057](https://openairdocs.org/ntsb/ANC24LA057.md): Dehavilland-Kenmore DHC-2 · Juneau, AK · Accident · No injuries · Class 4 · Limited · Final report · Jun 28, 2024 · N590DB · Substantial damage
  > A partial loss of engine power during initial climb due to a cracked cylinder.
- [NTSB ANC24LA045](https://openairdocs.org/ntsb/ANC24LA045.md): Cessna 206 · King Salmon, AK · Accident · No injuries · Class 3 · Limited · Final report · Jun 7, 2024 · N756CL · Substantial damage
  > A partial loss of engine power due to detonation/preignition of the No. 1 cylinder for reasons that could not be determined.
- [NTSB ANC23LA062](https://openairdocs.org/ntsb/ANC23LA062.md): Cessna 180J · Chaka Creek, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 10, 2023 · N42610 · Substantial damage
  > A partial loss of engine power as a result of carburetor ice. Contributing to the outcome was the pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.
- [NTSB ANC23LA013](https://openairdocs.org/ntsb/ANC23LA013.md): Taylorcraft BL-65 · Wasilla, AK · Accident · No injuries · Class 3 · Limited · Final report · Jan 14, 2023 · N29886 · Substantial damage
  > The pilot's failure to remove all water from the fuel tank, which resulted in fuel contamination and a subsequent partial loss of engine power.
- [NTSB ANC22LA033](https://openairdocs.org/ntsb/ANC22LA033.md): Taylorcraft F19 · Anchorage, AK · Accident · Minor injuries · Class 4 · Limited · Final report · May 17, 2022 · N927AP · Substantial damage
  > A loss of engine power for reasons that could not be determined due to a lack of available evidence.
- [NTSB ANC22LA020](https://openairdocs.org/ntsb/ANC22LA020.md): Piper PA-18-135 · Wasilla, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 27, 2022 · N99640 · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB ANC22LA011](https://openairdocs.org/ntsb/ANC22LA011.md): Larry Bingham LB-1 · Haines, AK · Accident · No injuries · Class 3 · Limited · Final report · Dec 15, 2021 · N555LB · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available information, which resulted in a precautionary landing and impact with snow.
- [NTSB ANC22LA008](https://openairdocs.org/ntsb/ANC22LA008.md): Piper PA-18 · Palmer, AK · Accident · No injuries · Class 4 · Limited · Final report · Nov 26, 2021 · N1380A · Substantial damage
  > The pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice, which resulted in a partial loss of engine power, off-airport landing, and nose over.
- [NTSB ANC21LA068](https://openairdocs.org/ntsb/ANC21LA068.md): Stinson 108-1 · Sterling, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 2, 2021 · N8656K · Substantial damage
  > Insufficient available power as a result of low compression in three engine cylinders. Contributing to the accident was the pilot’s decision to takeoff with a slight quartering tailwind.
- [NTSB ANC21LA061](https://openairdocs.org/ntsb/ANC21LA061.md): Cessna 172 · Skwentna, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 16, 2021 · N7137T · Substantial damage
  > A partial loss of engine power due to detonation/preignition damage to the No. 2 cylinder. The reason for the detonation/preignition damage could not be determined based on the available evidence.
- [NTSB WPR21LA164](https://openairdocs.org/ntsb/WPR21LA164.md): Cessna 208B · Fairbanks, AK · Accident · No injuries · Class 3 · Limited · Final report · Apr 3, 2021 · N215MC · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB ANC20CA030](https://openairdocs.org/ntsb/ANC20CA030.md): Piper PA18 · Big Lake, AK · Accident · No injuries · Data collection · Final report · Feb 29, 2020 · N7384D · Substantial damage
  > The pilot's failure to use carburetor heat in conditions conducive to carburetor icing, which resulted in a partial loss of engine power, a precautionary landing, and impact with snow.
- [NTSB ANC20LA002](https://openairdocs.org/ntsb/ANC20LA002.md): Cessna 172 · Palmer, AK · Accident · No injuries · Class 3 · Limited · Final report · Oct 13, 2019 · N7267A · Substantial damage
  > The pilot's delayed application of carburetor heat in weather conditions conducive to carburetor icing, which resulted in a partial loss of engine power, a precautionary landing, and impact with terrain.
- [NTSB ANC19LA040](https://openairdocs.org/ntsb/ANC19LA040.md): Cessna 182 · Farewell, AK · Accident · No injuries · Class 3 · Limited · Final report · Jul 24, 2019 · N3934D · Substantial damage
  > A reported partial loss of engine power during takeoff for reasons that could not be determined.
- [NTSB ANC19LA027](https://openairdocs.org/ntsb/ANC19LA027.md): Helio H391 · Hope, AK · Accident · No injuries · Class 3 · Limited · Final report · Jun 12, 2019 · N10CJ · Substantial damage
  > The pilot’s failure to maintain directional control during a precautionary landing, which resulted in a ground loop. Contributing to the accident was a partial loss of engine power for reasons that could not be determined.
- [NTSB ANC19FA021](https://openairdocs.org/ntsb/ANC19FA021.md): Bradshaw / McCauley Giles G-202 · Wasilla, AK · Accident · 1 fatal · Class 2 · Field · Final report · May 30, 2019 · N202AK · Substantial damage
  > The pilot's failure to maintain control after the partial loss of engine power. Contributing to the accident was a contamination of the fuel system, which likely seized the electric fuel pump and restricted fuel flow to the engine.
- [NTSB ANC19LA011](https://openairdocs.org/ntsb/ANC19LA011.md): Piper PA-22-150 · Anchorage, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Jan 22, 2019 · N7640D · Substantial damage
  > A loss of engine power due to oil starvation as the result of a loose B-nut fitting on the engine oil cooler, resulting in a forced landing to a soft, snow-covered surface, and a subsequent nose over.
- [NTSB ANC18LA080](https://openairdocs.org/ntsb/ANC18LA080.md): Piper PA18 · Delta Junction, AK · Accident · No injuries · Limited investigation · Final report · Sep 30, 2018 · N5907Y · Substantial damage
  > The total loss of engine power due to carburetor icing, which resulted from the pilot's failure to use carburetor heat while operating at low power settings in conditions conducive to the formation of carburetor ice.
- [NTSB ANC18LA066](https://openairdocs.org/ntsb/ANC18LA066.md): Cessna A185F · Kaktovik, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 22, 2018 · N8041R · Substantial damage
  > A loss of engine power due to fuel starvation during a steep turn with a low fuel state.
- [NTSB ANC18LA059](https://openairdocs.org/ntsb/ANC18LA059.md): Cessna A185F · White Mountain, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 1, 2018 · N185KB · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB ANC17LA020](https://openairdocs.org/ntsb/ANC17LA020.md): Cessna 182 · Willow, AK · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 2017 · N9362X · Substantial damage
  > The partial loss of engine power for reasons that could not be determined based on the available information, which resulted in the forced landing attempt and impact with power lines.
- [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 ANC17TA015](https://openairdocs.org/ntsb/ANC17TA015.md): Piper PA-32 · Pilot Point, AK · Accident · Serious injuries · Final report · Jan 17, 2017 · N4261T · Substantial damage
  > The pilot's continued flight into known icing conditions, which resulted in structural icing and a forced landing on icy, snow-covered terrain.
- [NTSB ANC16CA056](https://openairdocs.org/ntsb/ANC16CA056.md): Brian Turner Northern Explorer · Chickaloon, AK · Accident · No injuries · Data collection · Final report · Aug 8, 2016 · N907BT · Substantial damage
  > A partial loss of engine power due to carburetor icing, which resulted from the pilot’s failure to use carburetor heat.
- [NTSB ANC16LA047](https://openairdocs.org/ntsb/ANC16LA047.md): Aeropro CZ A220 · McCarthy, AK · Accident · No injuries · Limited investigation · Final report · Jul 19, 2016 · N151J · Substantial damage
  > The pilot’s failure to maintain directional control during the takeoff roll, which resulted in a loss of control and impact with terrain. Contributing to the accident were engine power surges due to the bent carburetor throttle valve lever.
- [NTSB ANC16LA035](https://openairdocs.org/ntsb/ANC16LA035.md): Universal Stinson 108 · Big Lake, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 2016 · N9063K · Substantial damage
  > A total loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the airframe and engine revealed no mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB ANC16LA021](https://openairdocs.org/ntsb/ANC16LA021.md): Jim Riggs AK Ridge Runner · Wasilla, AK · Accident · No injuries · Limited investigation · Final report · Apr 23, 2016 · N1549M · Substantial damage
  > The loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB ANC15LA070](https://openairdocs.org/ntsb/ANC15LA070.md): Helio H 295 · Delta Junction, AK · Accident · No injuries · Limited investigation · Final report · Sep 13, 2015 · N6464V · Substantial damage
  > A partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ANC15LA044](https://openairdocs.org/ntsb/ANC15LA044.md): Piper PA-18 · Wasilla, AK · Accident · No injuries · Limited investigation · Final report · Jul 3, 2015 · N9189D · Substantial damage
  > The partial loss of engine power after takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ANC15LA011](https://openairdocs.org/ntsb/ANC15LA011.md): Cessna 180 · Glennallen, AK · Accident · No injuries · Limited investigation · Final report · Feb 9, 2015 · N9280C · Substantial damage
  > An in-flight fire and a partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ANC15LA004](https://openairdocs.org/ntsb/ANC15LA004.md): Helio H 295 · Nenana, AK · Accident · No injuries · Limited investigation · Final report · Nov 15, 2014 · N6465V · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no evidence of any preimpact mechanical anomalies.
- [NTSB ANC14LA038](https://openairdocs.org/ntsb/ANC14LA038.md): Aeronca 15AC · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Jun 6, 2014 · N1301H · Substantial damage
  > Maintenance personnel’s failure to perform required fuel system tests to ensure that the airplane met its original type certification basis after modifying the fuel system and the Federal Aviation Administration’s improper approval of the fuel tank…
- [NTSB ANC14CA025](https://openairdocs.org/ntsb/ANC14CA025.md): Cessna 182J · Cooper Landing, AK · Accident · No injuries · Data collection · Final report · Apr 30, 2014 · N3024F · Substantial damage
  > The pilot's failure to correctly use carburetor heat, resulting in a loss of engine power and collision with terrain.
- [NTSB ANC13LA079](https://openairdocs.org/ntsb/ANC13LA079.md): Piper PA-18-150 · Paxson, AK · Accident · No injuries · Limited investigation · Final report · Aug 13, 2013 · N44RT · Substantial damage
  > The partial loss of engine power due to a loose throttle cable clamp.
- [NTSB ANC13LA068](https://openairdocs.org/ntsb/ANC13LA068.md): Dehavilland Beaver DHC 2 · Thorne Bay, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 2013 · N4787C · Substantial damage
  > The failure of the No. 1 linkrod bushing or the bottom portion of the linkrod, which resulted in a total loss of engine power.
- [NTSB ANC13CA062](https://openairdocs.org/ntsb/ANC13CA062.md): Aeronca 11AC · Kodiak, AK · Accident · No injuries · Data collection · Final report · Jul 6, 2013 · N9118E · Substantial damage
  > The loss of engine power due to carburetor icing and the pilot's failure to continue the use of carburetor heat after experiencing carburetor ice.
- [NTSB ANC13LA059](https://openairdocs.org/ntsb/ANC13LA059.md): Cessna 175 · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Jun 29, 2013 · N7698M · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because the postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation..
- [NTSB ANC13CA044](https://openairdocs.org/ntsb/ANC13CA044.md): Piper PA-18-150 · Palmer, AK · Accident · No injuries · Data collection · Final report · May 7, 2013 · N8899Y · Substantial damage
  > The pilot's failure to use continuous carburetor heat while operating in conditions conducive to carburetor icing, which resulted in the development of carburetor ice and a subsequent partial loss of engine power.
- [NTSB ANC12LA096](https://openairdocs.org/ntsb/ANC12LA096.md): Taylorcraft F21 · Willow, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 3, 2012 · N2005E · Substantial damage
  > The pilot’s failure to maintain control of the airplane after a loss of engine power during takeoff due to carburetor ice.
- [NTSB ANC12LA068](https://openairdocs.org/ntsb/ANC12LA068.md): Shorey Timothy A Preceptor Stol King · North Pole, AK · Accident · No injuries · Limited investigation · Final report · Jul 7, 2012 · N919WP · Substantial damage
  > A total loss of engine power due to a binding drive belt while in the airport traffic pattern.
- [NTSB ANC12CA072](https://openairdocs.org/ntsb/ANC12CA072.md): Piper PA-12 · Quinhagak, AK · Accident · No injuries · Data collection · Final report · Jul 6, 2012 · N7779H · Substantial damage
  > The pilot's failure to use continuous carburetor heat while operating in conditions conducive to carburetor icing, which resulted in the development of carburetor ice and a subsequent partial loss of engine power.
- [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 ANC11CA075](https://openairdocs.org/ntsb/ANC11CA075.md): Piper PA-32-301 · Kodiak, AK · Accident · No injuries · Data collection · Final report · Aug 12, 2011 · N8152Z · Substantial damage
  > A partial loss of engine power while on approach to land due to a disconnected throttle control linkage, and the maintenance director's inadequate inspection of the throttle linkage during maintenance.

Next page: https://openairdocs.org/ntsb-events/342/sequence.md?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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/342/sequence?state=AK

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