NTSB investigations, AK
91 cases where NTSB found Not determined, general.
Cases per year
| 2008 | 7 |
|---|---|
| 2009 | 4 |
| 2010 | 7 |
| 2011 | 7 |
| 2012 | 8 |
| 2013 | 5 |
| 2014 | 3 |
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 9 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 10 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2026 | 1 |
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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '05000000'))
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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '05000000')) 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 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 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 ANC23FA061Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-18-150 · Skwentna, AKAn 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 ANC23LA020Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-16 · Soldotna, AKA total loss of engine power for undetermined reasons.NTSB ANC22FA069Accident · 1 fatalClass 3 · FieldFinal reportStory Charles Brad TT FOX · Wasilla, AKThe pilot’s inability to maintain control of the airplane for reasons that could not be determined.NTSB ANC22LA054Accident · No injuriesClass 4 · LimitedFinal reportCessna 182D · McGrath, AKA nose landing gear collapse during landing for reasons that could not be determined based on the available information.NTSB ANC22FA047Accident · 1 fatalClass 3 · FieldFinal reportBell UH1B · Clear, AKA loss of control for reasons that could not be determined based on the available information.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 ANC22LA002Accident · No injuriesClass 4 · LimitedFinal reportCessna 180J · Chickaloon, AKA mid-air collision for reasons that could not be determined based on the available evidence.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 ANC21LA094Accident · No injuriesClass 3 · LimitedFinal reportDehavilland DHC-3 · Bettles, AKThe seizure of the engine during flight for undetermined reasons, which led to a total loss of engine power.NTSB ANC21LA047Accident · No injuriesClass 3 · LimitedFinal reportPiper J3C-65 · Sterling, AKA partial loss of engine power for reasons that could not be determined based on the available information.NTSB ANC21LA031Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Anchorage, AKA loss of control during landing for reasons that 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 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 ANC21LA020Accident · 1 fatalClass 3 · LimitedFinal reportRobinson Helicopter R66 · Kodiak, AKAn impact with ocean waters for reasons that could not be determined based on the available information.NTSB ANC21FA015Accident · 2 fatalClass 3 · FieldFinal reportCessna 185 · Chitina, AKAn in-flight breakup during cruise flight for reasons that could not be determined based on available evidence.NTSB ANC20LA083Accident · Minor injuriesClass 3 · LimitedFinal reportEurocopter AS350 · Ninilchik, AKA loss of engine power for an undetermined reason.NTSB ANC20LA069Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT802 · Birch Creek, AKA loss of control for undetermined reasons while on the surface of the water during scoop operations in support of wildland firefighting operations.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 ANC19LA015Accident · No injuriesClass 3 · LimitedFinal reportCessna 150 · Talkeetna, AKA loss of pitch control for an undetermined reason, which resulted in a collision with terrain during an emergency landing.NTSB ANC19FA012Accident · 3 fatalClass 2 · FieldFinal reportBeech 200 · Kake, AKA loss of control for reasons that could not be determined based on the available information.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 ANC18FA071Accident · 2 fatalField investigationFinal reportPiper PA-12-150 · Healy, AKAn impact with terrain for reasons that could not be determined based on the available information.NTSB ANC18FA063Accident · 5 fatalField investigationFinal reportDe Havilland DHC-2 · Talkeetna, AKImpact 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 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 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 ANC18FA050Accident · 2 fatalField investigationFinal reportPiper PA 18-150 · Delta Junction, AKUndetermined based on the available evidence.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 ANC18LA025Accident · No injuriesLimited investigationFinal reportDehavilland Beaver DHC 2 · Kodiak, AKThe pilot's failure to maintain directional control during landing for reasons that could not be determined based on the available evidence.NTSB ANC17LA024Accident · No injuriesLimited investigationFinal reportCessna U206F · Noatak, AKA fire in the airplane's cabin, which initiated for reasons that could not be determined due to extensive thermal damage.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 ANC17LA016Accident · Serious injuriesLimited investigationFinal reportPiper PA18 · Sterling, AKThe pilot’s loss of control while maneuvering for reasons that could not be determined based on the available information.NTSB ANC17FA010Accident · 4 fatalField investigationFinal reportPiper PA 28-180 · Port Alsworth, AKUndetermined due to a lack of physical evidence.NTSB ANC17LA014Accident · Serious injuriesLimited investigationFinal reportPiper PA 32R-300 · McGrath, AKThe failure of the nose landing gear to extend and lock due to the failure of the alternator and reduced battery power due to the cold ambient temperature, which prohibited the electrically-driven hydraulic pump from supplying adequate hydraulic pressure to…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 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 ANC16LA011Accident · 1 fatalLimited investigationFinal reportCessna 172 · Anchorage, AKThe pilot's intentional flight into a building.NTSB ANC15LA073Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 · Fort Glenn, AKThe separation of the tail rotor gearbox from the tailboom attachment point due to overstress loads imposed by a tail rotor blade imbalance as the result of impact with an undetermined object during low-level flight operations.NTSB GAA15LA281Accident · No injuriesLimited investigationFinal reportDehavilland DHC 2 MK.I · Nikolai, AKA loss of directional control during a water takeoff for reasons that could not be determined because the airplane was not examined due to the remote accident location.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 ANC15FA066Accident · 2 fatalField investigationFinal reportCessna 180 · Kasilof, AKThe total loss of engine power for reasons that could not be determined based on postaccident examination and testing.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 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 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 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.