NTSB investigations, AK
112 cases where the sequence of events included Loss of engine power (total).
Cases per year
| 2008 | 10 |
|---|---|
| 2009 | 6 |
| 2010 | 6 |
| 2011 | 10 |
| 2012 | 14 |
| 2013 | 13 |
| 2014 | 5 |
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 11 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2025 | 3 |
| 2026 | 2 |
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.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '341' 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."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '341' 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 ANC26LA069Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-18-150 · Mekoryuk, AKOn July 7, 2026 about 1430 Alaska daylight time, a Piper PA-18-150 airplane, N824JT, was substantially damaged when it was involved in an accident near Mekoryuk, Alaska. The pilot and one passenger were not injured. The airplane was operated as a Title 14…NTSB ANC26LA026Accident · Minor injuriesClass 4 · LimitedFinal reportCessna U206F · Juneau, AKA total loss of engine power for reasons that could not be determined because the airplane was not recovered from the ocean.NTSB ANC26LA006Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-14 · Talkeetna, AKOn November 8, 2025 about 1300 Alaska standard time, a Piper PA-14 airplane, N5188H, was substantially damaged when it was involved in an accident near Talkeetna, Alaska. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB ANC26LA001Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 172N · Petersburg, AKOn October 7, 2025, at 1456 Alaska daylight time, a Cessna 172 airplane, N80628, was substantially damaged when it was involved in an accident near Petersburg, Alaska. The student pilot and flight instructor were not injured. The airplane was operated as a…NTSB ANC25LA091Accident · No injuriesClass 3 · LimitedPreliminary reportVu Holdings LLC/DBA Vanilla UN VA 001 · Ninilchik, AKOn August 20, 2025, at about 0632 Alaska daylight time, a Platform Aerospace VA 001 Unmanned Aerial System (UAS), N246VU, was substantially damaged when it was involved in an accident on a beachside cliff near Ninilchik, Alaska. The aircraft was unmanned. The…NTSB ANC23LA053Accident · No injuriesClass 3 · LimitedFinal reportAeronca 7DC · Ninilchik, AKA total loss of engine power due to a shift of a crankshaft main bearing, which resulted in a lack of lubrication and subsequent overheating and failure of the engine crankshaft.NTSB ANC23LA051Accident · No injuriesClass 3 · LimitedFinal reportStinson 108 · Ninilchik, AKA partial loss of engine power due to failure of the No. 1 cylinder intake valve head.NTSB ANC23LA020Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-16 · Soldotna, AKA total loss of engine power for undetermined reasons.NTSB ANC23LA005Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-22-160 · Kenai, AKImproper installation of the crankshaft drive gear by maintenance personnel, who failed to install all required hardware, resulting in an in-flight engine failure.NTSB ERA22LA410Accident · No injuriesClass 3 · LimitedFinal reportCessna U206 · Buckland, AKThe installation of incompatible rocker arms and rocker arm bushings during an engine overhaul, which resulted in a complete loss of engine power.NTSB ANC21LA096Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-14 · Chickaloon, AKA total loss of engine power during takeoff for reasons that could not be determined based on the available information.NTSB ANC21LA040Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-105 Special · Gakona, AKThe pilot’s decision to initiate a flight with a failed mixture control cable which resulted in a total loss of engine power.NTSB ANC21FA028Accident · Minor injuriesClass 3 · FieldFinal reportPiper PA-18A · Anchorage, AKA total loss of engine power for reasons that could not be determined based on the available evidence.NTSB ANC21LA024Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18A 150 · Kasilof, AKThe pilot’s mismanagement of the available fuel, which resulted in a total loss on engine power due to fuel starvation.NTSB ANC20LA099Accident · No injuriesClass 3 · LimitedFinal reportCessna 170B · Big Lake, AKThe pilot’s failure to utilize carburetor heat while flying in conditions conducive to carburetor icing, which resulted in a total loss of engine power.NTSB ANC20LA060Accident · No injuriesClass 3 · LimitedFinal reportCessna 180 · Fairbanks, AKThe pilot’s failure to utilize carburetor heat while flying in conditions conducive carburetor to icing, which resulted in a total loss of engine power.NTSB ANC20LA043Accident · Serious injuriesClass 3 · LimitedFinal reportCessna A185E · Eagle River, AKThe pilot’s failure to ensure adequate fuel onboard prior to the planned flight, resulting in a total loss of engine power due to fuel exhaustion and an aerodynamic stall during the subsequent emergency landing. Contributing to the accident was the pilot’s…NTSB ANC20CA016Accident · No injuriesClass 4 · Data collectionFinal reportCessna 150 · Big Lake, AKThe pilot's failure to apply full carburetor heat while operating in conditions conducive to carburetor icing, which resulted in a total loss of engine power, a forced landing, and impact with a tree.NTSB ANC19LA048Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-18 · Fairbanks, AKThe inappropriate application of paint underneath the engine cylinder hold-down nuts, which resulted in inadequate torque and the subsequent in-flight separation of the No. 3 cylinder, and resulted in a total loss of engine power.NTSB GAA19CA344Accident · No injuriesData collectionFinal reportBell UH 1H · Bethel, AKThe pilot's improper fuel planning, which resulted in fuel exhaustion and a total loss of engine power, and his improper landing flare during a forced autorotation, which resulted in a hard landing. Contributing to the accident were the inoperative fuel…NTSB GAA19CA236Accident · No injuriesData collectionFinal reportCessna 172 · Wasilla, AKThe flight instructor's failure to verify the fuel level, which resulted in a total loss of engine power due to fuel exhaustion and a subsequent forced landing and collision with a power line pole. Contributing to the accident was the student pilot's…NTSB ANC19LA016Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32-300 · Bethel, AKA total loss of engine power due to a fatigue failure of the crankshaft. A contributing factor was the inadequate inspection during the engine’s last overhaul.NTSB ANC19LA008Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Whittier, AKA total loss of engine power for reasons that could not be determined based on the available evidence.NTSB ANC19LA005Accident · Serious injuriesLimited investigationFinal reportPiper PA 12 · Willow, AKThe loss of engine power shortly after takeoff for reasons that could not be determined based on the available information, which resulted in an emergency landing and collision with trees.NTSB ANC19CA003Accident · No injuriesData collectionFinal reportCessna 207 · Anchorage, AKThe pilot's inadequate in-flight fuel management, which resulted in fuel starvation and the subsequent loss of engine power, and her subsequent failure to maintain clearance from trees during the approach to land at a nearby airstrip.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 GAA18CA565Accident · Minor injuriesData collectionFinal reportDe Havilland DHC 2 · Igiugig, AKThe pilot’s selection of an empty fuel tank for takeoff, which resulted in fuel starvation and the subsequent total loss of engine power.NTSB ANC18LA069Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32 · Wrangell, AKThe total loss of engine power due to oil starvation after an interruption of oil circulation for reasons that could not be determined based on the available evidence.NTSB ANC18LA064Accident · No injuriesClass 3 · LimitedFinal reportCessna 207 · Iliamna, AKA total loss of engine power due to detonation/preignition damage of the No. 2 cylinder and piston for reasons that could not be determined.NTSB ANC18LA058Accident · No injuriesLimited investigationFinal reportRobinson R44 · Bettles, AKMaintenance personnel's application of insufficient preload on the attachment hardware for the idler gear shaft during engine overhaul, which resulted in the dismounting of the idler gear shaft assembly due to wear and deformation and the subsequent total…NTSB GAA18CA454Accident · No injuriesData collectionFinal reportCessna 172 · Meadow Lakes, AKThe pilot’s selection of the wrong fuel tank for departure, which resulted in fuel starvation and the subsequent total loss of engine power.NTSB ANC18LA051Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA18 · Anchorage, AKThe total loss of engine power due to fuel starvation for reasons that could not be determined, which resulted in impact with and subsequent sliding across terrain.NTSB ANC18LA040Accident · Serious injuriesLimited investigationFinal reportPiper PA 18-150 · Wasilla, AKA total loss of engine power for reasons that could not be determined based on the available information.NTSB GAA17CA511Accident · No injuriesData collectionFinal reportPiper PA 12 · Gulkana, AKThe pilot’s inadequate in-flight fuel planning, which resulted in a loss of engine power due to fuel exhaustion.NTSB ANC17LA043Accident · No injuriesClass 3 · LimitedFinal reportCessna T207 · Juneau, AKThe total loss of engine power due to fuel starvation.NTSB ANC17LA037Accident · No injuriesClass 3 · LimitedFinal reportCessna A185 · Wasilla, AKThe pilot’s failure to manage fuel quantity in flight, which resulted in a total loss of engine power due to fuel starvation. Contributing to the accident was the pilot’s failure to follow manufacturer guidance for restoring engine power after emptying a fuel…NTSB ANC17LA008Accident · No injuriesLimited investigationFinal reportAirborne Extreme SQ-12 · Palmer, AKThe fuel injector manufacturer's inappropriate guidance to use a 5-ampere circuit breaker in place of the required 10-ampere circuit breaker on the fuel injector circuit, which resulted in the circuit breaker opening, a loss of electrical power to the…NTSB ANC17LA006Accident · Minor injuriesLimited investigationFinal reportPiper PA32R · Bethel, AKA total loss of engine power due to oil starvation, which resulted from an oil cooler leak at a fractured brazed seam.NTSB ANC16FA057Accident · 1 fatalField investigationFinal reportChampion 7ECA · Chugiak, AKThe pilot's failure to maintain proper airspeed and his exceedance of the airplane's critical angle of attack during a steep low-altitude turn following a loss of engine power, which resulted in an aerodynamic stall and subsequent loss of control at too low…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 ANC16LA029Accident · No injuriesLimited investigationFinal reportAir Tractor AT 802 · Fairbanks, AKThe pilot's inadequate preflight fuel planning, his reliance on the fuel flow indicator without verifying the initial fuel level input, and his improper decision to continue the flight with the low fuel light illuminated, which resulted in fuel exhaustion,…NTSB ANC16IA013Incident · No injuriesIncident investigationFinal reportRobinson Helicopter R44 II · Anchorage, AKThe overhaul facility's improper and excessive use of an approved lubricant during overhaul of the fuel injection servo, which resulted in a disruption of fuel flow and a total loss of engine power.NTSB GAA16CA102Accident · No injuriesData collectionFinal reportPiper PA 18A · Girdwood, AKFuel contamination resulting in the loss of engine power, a forced landing on a highway, and subsequent right wing impact with highway signage.NTSB ANC16LA010Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Valdez, AKThe overhaul facility’s improper and excessive use of an approved lubricant during overhaul of the fuel injection servo, which resulted in a disruption of fuel flow and a total loss of engine power.NTSB GAA15LA284Accident · Serious injuriesLimited investigationFinal reportChampion 7ECA · Talkeetna, AKThe pilot's failure to properly calculate the fuel consumption rate and to properly monitor the fuel status in flight and his decision to continue the flight despite signs of an engine problem, which resulted in a total loss of engine power due to fuel…NTSB ANC15FA062Accident · 2 fatalField investigationFinal reportPiper PA 18-150 · Chugiak, 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 ANC15LA034Accident · Minor injuriesLimited investigationFinal reportPiper PA 22 · Skwentna, AKThe pilot's failure to follow the airplane's operating limitations by rapidly opening the throttle, which resulted in a loss of engine power. Contributing to the accident was the pilot's decision to maneuver the airplane at low altitude even though he was not…NTSB ANC15LA020Accident · No injuriesLimited investigationFinal reportCessna 170B · Bettles, AKA total loss of engine power for reasons that could not be determined because postaccident engine examination and testing revealed no mechanical anomalies that would have precluded normal operation.NTSB ANC14LA085Accident · No injuriesLimited investigationFinal reportCessna TU206 · Deadhorse, AKThe application of insufficient torque to the engine cylinder through bolts during the replacement of the No. 1 cylinder, which resulted in the displacement of the No. 2 bearing, oil starvation, and a catastrophic engine failure.NTSB ANC14LA071Accident · Minor injuriesLimited investigationFinal reportDehavilland DHC 2 · Anchorage, AKThe loss of engine power during takeoff due to a malfunction of the engine-driven fuel pump.