Final NTSB investigations, AK
57 cases where the sequence of events included Loss of engine power (partial).
Cases per year
| 2008 | 6 |
|---|---|
| 2009 | 1 |
| 2010 | 4 |
| 2011 | 3 |
| 2012 | 4 |
| 2013 | 5 |
| 2014 | 3 |
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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.\"completionStatus\" = 'Completed'
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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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."completionStatus" = 'Completed' 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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ANC24FA092Accident · 1 fatalClass 3 · FieldFinal reportJon Bergstedt JP Flyer · Wasilla, AKThe 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 ANC24LA057Accident · No injuriesClass 4 · LimitedFinal reportDehavilland-Kenmore DHC-2 · Juneau, AKA partial loss of engine power during initial climb due to a cracked cylinder.NTSB ANC24LA045Accident · No injuriesClass 3 · LimitedFinal reportCessna 206 · King Salmon, AKA partial loss of engine power due to detonation/preignition of the No. 1 cylinder for reasons that could not be determined.NTSB ANC23LA062Accident · No injuriesClass 4 · LimitedFinal reportCessna 180J · Chaka Creek, AKA 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 ANC23LA013Accident · No injuriesClass 3 · LimitedFinal reportTaylorcraft BL-65 · Wasilla, AKThe 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 ANC22LA033Accident · Minor injuriesClass 4 · LimitedFinal reportTaylorcraft F19 · Anchorage, AKA loss of engine power for reasons that could not be determined due to a lack of available evidence.NTSB ANC22LA020Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-18-135 · Wasilla, AKA partial loss of engine power for undetermined reasons.NTSB ANC22LA011Accident · No injuriesClass 3 · LimitedFinal reportLarry Bingham LB-1 · Haines, AKA 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 ANC22LA008Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18 · Palmer, AKThe 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 ANC21LA068Accident · No injuriesClass 3 · LimitedFinal reportStinson 108-1 · Sterling, AKInsufficient 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 ANC21LA061Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Skwentna, AKA 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 WPR21LA164Accident · No injuriesClass 3 · LimitedFinal reportCessna 208B · Fairbanks, AKA partial loss of engine power for reasons that could not be determined based on available evidence.NTSB ANC20CA030Accident · No injuriesData collectionFinal reportPiper PA18 · Big Lake, AKThe 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 ANC20LA002Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Palmer, AKThe 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 ANC19LA040Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Farewell, AKA reported partial loss of engine power during takeoff for reasons that could not be determined.NTSB ANC19LA027Accident · No injuriesClass 3 · LimitedFinal reportHelio H391 · Hope, AKThe 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 ANC19FA021Accident · 1 fatalClass 2 · FieldFinal reportBradshaw / McCauley Giles G-202 · Wasilla, AKThe 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 ANC19LA011Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-22-150 · Anchorage, AKA 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 ANC18LA080Accident · No injuriesLimited investigationFinal reportPiper PA18 · Delta Junction, AKThe 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 ANC18LA066Accident · No injuriesClass 3 · LimitedFinal reportCessna A185F · Kaktovik, AKA loss of engine power due to fuel starvation during a steep turn with a low fuel state.NTSB ANC18LA059Accident · No injuriesClass 3 · LimitedFinal reportCessna A185F · White Mountain, AKA 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 ANC17LA020Accident · Minor injuriesLimited investigationFinal reportCessna 182 · Willow, AKThe 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 ANC17LA017Accident · Minor injuriesLimited investigationFinal reportBeech G18 · Metlakatla, AKAn engine power loss for reasons that could not be determined because the airplane was not recovered.NTSB ANC17TA015Accident · Serious injuriesFinal reportPiper PA-32 · Pilot Point, AKThe pilot's continued flight into known icing conditions, which resulted in structural icing and a forced landing on icy, snow-covered terrain.NTSB ANC16CA056Accident · No injuriesData collectionFinal reportBrian Turner Northern Explorer · Chickaloon, AKA partial loss of engine power due to carburetor icing, which resulted from the pilot’s failure to use carburetor heat.NTSB ANC16LA047Accident · No injuriesLimited investigationFinal reportAeropro CZ A220 · McCarthy, AKThe 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 ANC16LA035Accident · Minor injuriesLimited investigationFinal reportUniversal Stinson 108 · Big Lake, AKA 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 ANC16LA021Accident · No injuriesLimited investigationFinal reportJim Riggs AK Ridge Runner · Wasilla, AKThe 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 ANC15LA070Accident · No injuriesLimited investigationFinal reportHelio H 295 · Delta Junction, AKA 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 ANC15LA044Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Wasilla, AKThe 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 ANC15LA011Accident · No injuriesLimited investigationFinal reportCessna 180 · Glennallen, AKAn in-flight fire and a partial loss of engine power for reasons that could not be determined based on the available information.NTSB ANC15LA004Accident · No injuriesLimited investigationFinal reportHelio H 295 · Nenana, AKThe 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 ANC14LA038Accident · No injuriesLimited investigationFinal reportAeronca 15AC · Talkeetna, AKMaintenance 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 ANC14CA025Accident · No injuriesData collectionFinal reportCessna 182J · Cooper Landing, AKThe pilot's failure to correctly use carburetor heat, resulting in a loss of engine power and collision with terrain.NTSB ANC13LA079Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Paxson, AKThe partial loss of engine power due to a loose throttle cable clamp.NTSB ANC13LA068Accident · Serious injuriesLimited investigationFinal reportDehavilland Beaver DHC 2 · Thorne Bay, AKThe failure of the No. 1 linkrod bushing or the bottom portion of the linkrod, which resulted in a total loss of engine power.NTSB ANC13CA062Accident · No injuriesData collectionFinal reportAeronca 11AC · Kodiak, AKThe 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 ANC13LA059Accident · No injuriesLimited investigationFinal reportCessna 175 · Skwentna, AKThe 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 ANC13CA044Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Palmer, AKThe 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 ANC12LA096Accident · Serious injuriesLimited investigationFinal reportTaylorcraft F21 · Willow, AKThe pilot’s failure to maintain control of the airplane after a loss of engine power during takeoff due to carburetor ice.NTSB ANC12LA068Accident · No injuriesLimited investigationFinal reportShorey Timothy A Preceptor Stol King · North Pole, AKA total loss of engine power due to a binding drive belt while in the airport traffic pattern.NTSB ANC12CA072Accident · No injuriesData collectionFinal reportPiper PA-12 · Quinhagak, AKThe 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 ANC12LA051Accident · No injuriesLimited investigationFinal reportDehavilland DHC-2 · Talkeetna, AKThe loss of engine power after departure due to the separation of an engine cylinder.NTSB ANC11CA075Accident · No injuriesData collectionFinal reportPiper PA-32-301 · Kodiak, AKA 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.NTSB ANC11LA068Accident · No injuriesLimited investigationFinal reportCessna 185 · Kenai, AKThe loss of engine power for an undetermined reason, resulting in the ditching and sinking of the airplane in ocean waters.NTSB ANC11IA059Incident · No injuriesIncident investigationFinal reportHughes 500D · McGrath, AKA fatigue fracture of the governor-to-fuel control Pc line, which resulted in a partial loss of engine power.NTSB ANC10CA097Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Skwentna, AKThe pilot's rapid application of throttle and carburetor heat causing the engine to hesitate and lose power during takeoff following an aborted landing.NTSB ANC10CA092Accident · Minor injuriesData collectionFinal reportPiper J5A · Chickaloon, AKThe pilot's excessive use of brakes during a rejected takeoff, resulting in a nose over.NTSB ANC10LA061Accident · No injuriesLimited investigationFinal reportPiper PA-14 · King Salmon, AKThe pilot's failure to use continuous carburetor heat while operating in carburetor icing conditions, resulting in carburetor ice and subsequent partial loss of engine power.NTSB ANC10FA029Accident · Minor injuriesField investigationFinal reportCessna 206 · Homer, AKThe fatigue failure of the No. 4 engine cylinder head resulting in a loss of engine power. Contributing to the severity of the accident was the pilot's decision to attempt a low altitude turn back to the airport, resulting in a loss of control.