NTSB investigations, OR
37 cases where the sequence of events included Loss of engine power (partial).
Cases per year
| 2008 | 1 |
|---|---|
| 2009 | 3 |
| 2010 | 5 |
| 2011 | 1 |
| 2012 | 2 |
| 2014 | 2 |
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
| 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\" = 'OR' 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"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" = 'OR' 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
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 WPR27LA008Accident · No injuriesClass 3 · LimitedInvestigation openHakala John Charles Lancair IV-P-T · Ontario, ORNTSB WPR26LA193Accident · No injuriesClass 4 · LimitedFinal reportBellanca 7ACA · Pacific City, ORThe pilot’s loss of directional control during a precautionary landing following a partial reduction in engine rpm.NTSB WPR26FA068Accident · 1 fatalClass 3 · FieldPreliminary reportBeech K35 · Summer Lake, OROn December 23, 2025, about 0841 Pacific standard time, a Beech K35, N9540R, was substantially damaged when it was involved in an accident near Summer Lake, Oregon. The pilot was fatally injured. The airplane was being operated as a Title 14 Code of Federal…NTSB WPR25LA228Accident · No injuriesClass 3 · LimitedPreliminary reportBeech V35 · Astoria, OROn July 22, 2025, about 1706 Pacific daylight time, a Beechcraft Bonanza V35, N3785Q, sustained substantial damage when it was involved in an accident near Astoria, Oregon. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code…NTSB WPR25LA054Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 150L · Glen Avon, OROn December 4, 2024, about 1420 Pacific standard time, a Cessna 150L, N5330Q, sustained substantial damage when it was involved in an accident near Glen Avon, Oregon. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code of…NTSB WPR23LA097Accident · No injuriesClass 3 · LimitedFinal reportKaman Aerospace K-1200 · Sweet Home, ORImproper installation of the hardware retaining the adjustment screw in the N2 topping governor lever and roller assembly, which resulted in a partial loss of engine power.NTSB WPR22LA060Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Hillsboro, ORThe on-ground collision with a tree during an off airport precautionary landing. Contributing was the partial loss of engine power for undetermined reasons.NTSB WPR21LA094Accident · Minor injuriesClass 3 · LimitedFinal reportRandy Wayne Maloney M1 · Eagle Point, ORA partial loss of engine power for reasons that could not be determined based on available evidence.NTSB WPR21LA008Accident · No injuriesClass 3 · LimitedFinal reportCessna 180 · Princeton, ORThe pilot’s failure to enrichen the mixture, which resulted in a partial loss of engine power.NTSB WPR20LA097Accident · No injuriesClass 3 · LimitedFinal reportCessna 170 · Baker City, ORThe failure of the No. 2 connecting rod bearing as a result of oil starvation due to a contaminated oil filter screen.NTSB WPR20FA016Accident · 1 fatalClass 3 · FieldFinal reportEnstrom 280F · Jordan Valley, ORA partial loss of engine power due to a worn engine air induction hose, and a subsequent uncontrolled descent into terrain. Contributing to the accident was the failure of maintenance personnel to adequately inspect the hose, and the pilot’s decision to fly…NTSB WPR19LA198Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Madras, ORA partial loss of power during final approach for undetermined reasons as postaccident examinations did not reveal any preimpact anomalies with the airplane or engine.NTSB WPR19LA207Accident · No injuriesClass 3 · LimitedFinal reportStinson 108 · Klamath Falls, ORThe mechanic’s failure to identify an engine performance issue, which led to a partial loss of engine power. Contributing to the accident was the pilot’s decision to operate the airplane with a known mechanical deficiency.NTSB WPR19FA178Accident · 1 fatalClass 2 · FieldFinal reportMaule M7-235B · Sunriver, ORA partial loss of engine power due to the separation of baffling in both mufflers. Contributing to the accident was the pilot's failure to retract the landing gear on the float-equipped airplane before performing a forced landing to the river.NTSB WPR18LA148Accident · No injuriesClass 3 · LimitedFinal reportCessna 152 · Hillsboro, ORThe partial loss of engine power during a go-around due to the loose copper electrode finger inside the left magneto.NTSB WPR18LA127Accident · Serious injuriesLimited investigationFinal reportYakovlev YAK 52 · Hillsboro, ORA partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination did not reveal any mechanical malfunctions or failures that would have precluded normal operation. Contributing to the accident was…NTSB WPR18LA111Accident · No injuriesLimited investigationFinal reportPflugradt Kitfox · Clatskanie, ORA partial loss of engine power due to an improperly secured throttle cable set screw.NTSB WPR17LA082Accident · Minor injuriesLimited investigationFinal reportOTT 601XL-B · The Dalles, ORA partial loss of engine power due to the reverse bending fatigue failure of the propeller hub bolts, which resulted from the bolts not fitting tightly into the propeller hub holes. Also causal was the pilot's decision to use improper bolts for this type of…NTSB WPR16LA049Accident · No injuriesLimited investigationFinal reportKai Engstad RV-8A · Salem, ORA total loss of engine power for undetermined reasons, because postaccident examination of the engine and fuel system did not reveal any anomalies that would have precluded normal operation.NTSB WPR16LA020Accident · Minor injuriesLimited investigationFinal reportBell 206B · Dallas, ORA loss of engine power for reasons that could not be determined based on the available information.NTSB WPR15LA261Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Forest Grove, ORA partial loss of engine power during cruise flight 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 WPR15LA248Accident · Minor injuriesLimited investigationFinal reportSikorsky S 61A · Ironside, ORA loss of power to the No. 2 engine due to the failure of the accessory gearbox drivetrain. Also causal was the pilot’s inability to release the external longline due to the use of a safety wire across the coupling of the quick-disconnect mechanism, which…NTSB WPR15LA156Accident · Minor injuriesLimited investigationFinal reportBuhl LA 1 · Cottage Grove, ORA loss of engine power on downwind for landing due to carburetor icing, which resulted in a forced landing.NTSB WPR15LA008Accident · Minor injuriesLimited investigationFinal reportPiper PA 28-180 · Bend, ORA partial loss of engine power due to carburetor icing, which resulted from the pilot’s failure to apply carburetor heat after takeoff and during the climb.NTSB WPR14LA338Accident · No injuriesClass 3 · LimitedFinal reportNelson RV 3M · North Plains, ORA partial loss of engine power for undetermined reasons which resulted in a landing gear collapse during the precautionary landing to a field.NTSB WPR12LA329Accident · No injuriesLimited investigationFinal reportInterplane Skyboy EX · Sandy, ORA partial loss of engine power during takeoff due to carburetor icing. Contributing to the accident was the lack of a carburetor heat system installed on the airplane.NTSB WPR12LA181Accident · No injuriesLimited investigationFinal reportCub Crafters CC11-100 · Monmouth, ORA partial loss of engine power during takeoff for undetermined reasons.NTSB WPR11FA333Accident · 2 fatalField investigationFinal reportDavidson Zenith Stol CH701 · Glendale, ORA total loss of engine power due to fuel starvation and the pilot’s subsequent failure to maintain airplane control during the forced landing. Contributing to the accident was the pilot’s failure to ensure that the fuel valves were in the correct position for…NTSB WPR10LA456Accident · Serious injuriesLimited investigationFinal reportSavage Savage-Cozy · Aurora, ORThe pilot’s failure to maintain control of the airplane following a loss of engine power in the traffic pattern; the cause of the loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not…NTSB WPR10LA424Accident · No injuriesLimited investigationFinal reportGrumman American Avn. AA-5A · Lakeview, ORA partial loss of engine power during the initial climb due to a stuck exhaust valve.NTSB WPR10CA334Accident · Minor injuriesData collectionFinal reportLuscombe 8E · Tillamook, ORThe certified flight instructor’s selection of an inappropriate landing surface and the loss of engine power as a result of the improper use carburetor heat. Contributing to the accident was the flight instructor's inadequate supervision.NTSB WPR10LA298Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Hillsboro, ORA partial loss of engine power while on approach for undetermined reasons.NTSB WPR10LA168Accident · No injuriesLimited investigationFinal reportCessna 150F · Tillamook, ORThe partial loss of engine power during climb to cruise due to carburetor icing and the pilot's delay in using carburetor heat.NTSB WPR09LA471Accident · Minor injuriesLimited investigationFinal reportArrow Falcon Exporters OH-58A+ · Myrtle Creek, ORA partial loss of engine power during takeoff for undetermined reasons.NTSB WPR09LA446Accident · Minor injuriesLimited investigationFinal reportGrumman American Avn. AA-1B · Creswell, ORA partial loss of engine power due to the malfunction of the engine's right magneto.NTSB WPR09LA219Accident · No injuriesLimited investigationFinal reportEllumax Leasing Epic LT · Astoria, ORThe partial loss of engine power during climb to cruise due to the failure of the engine's fuel control unit. Contributing to the accident was the incorrect machining of an internal component of the fuel control unit, and the failure of the assembling…NTSB LAX08CA143Accident · No injuriesData collectionFinal reportMason RV-9A · Pacific City, ORThe pilot's inadequate flare and failure to maintain control following a hard landing. Contributing to the accident was a temporary partial loss of power due to carburetor icing conditions.