NTSB investigations, WA
33 cases where NTSB found Engine (reciprocating).
Cases per year
| 2008 | 3 |
|---|---|
| 2009 | 2 |
| 2010 | 5 |
| 2011 | 2 |
| 2012 | 2 |
| 2014 | 2 |
| 2015 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 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\" = 'WA' 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\", '010585'))
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" = 'WA' 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", '010585')) 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 WPR26LA072Accident · No injuriesClass 4 · LimitedFinal reportZenith 750 · Yacolt, WAA loss of engine power for undetermined reasons.NTSB WPR24LA248Accident · No injuriesClass 3 · LimitedFinal reportCessna 150M · Ritzville, WAMaintenance personnel’s improper installation of the No. 2 cylinder exhaust valve, which allowed the valve to drop into the cylinder and resulted in a total loss of engine power.NTSB WPR24FA200Accident · 2 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Bluestem, WAThe pilot’s failure to manage main rotor rpm during an autorotation, which resulted in a loss of helicopter control. Contributing to the accident was a loss of power for reasons that could not be determined.NTSB WPR24FA103Incident · No injuriesClass 3 · FieldFinal reportCirrus Design SR22T · Bellevue, WAA total loss of engine power due to a fatigue fracture of the crankshaft.NTSB WPR23LA215Accident · Serious injuriesClass 3 · LimitedFinal reportPiper J3C-65 · Belfair, WAThe total loss of engine power due to the fatigue failure of the crankshaft accessory drive gear.NTSB WPR23LA196Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172H · Seattle, WAA stuck exhaust valve that resulted in a partial loss of engine power and a forced water ditching.NTSB WPR22LA263Accident · Serious injuriesClass 3 · LimitedFinal reportZenith CH701 · Bothell, WAA loss of engine power due to the fatigue failure of the engine’s flywheel screws that were likely overloaded when the engine was involved in a previous accident.NTSB WPR21LA213Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-22-150 · Cashmere, WAA total loss of engine power shortly after takeoff for reasons that could not be determined based on the available information.NTSB WPR21LA151Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Yacolt, WAA partial loss of power caused by carbon build up in the cylinders, which prevented the exhaust valves from seating properly. Contributing to the accident was flying in moderate icing conditions which resulted in reduced aircraft performance and vibrations.NTSB WPR20LA014Accident · Serious injuriesClass 3 · LimitedFinal reportVans RV 6 · Spanaway, WAA total loss of engine power during the initial climb for reasons that could not be determined.NTSB WPR19LA226Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 177RG · Fall City, WAThe failure of the No. 3 cylinder intake valve that resulted in a partial loss of engine power and a forced landing on uneven terrain.NTSB WPR19LA125Accident · Minor injuriesClass 3 · LimitedFinal reportStearman A75N1(PT17) · Sequim, WAThe total loss of engine power due to the fatigue failure of the crankshaft.NTSB WPR18LA098Accident · Serious injuriesClass 3 · LimitedFinal reportRaytheon A36 · Enumclaw, WAA total loss of engine power due to oil starvation as a result of a loose oil line B-nut.NTSB WPR17LA176Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172S · Seattle, WAThe total loss of engine power due to oil starvation as a result of the loose right magneto, which allowed oil to escape and the engine to seize. Contributing to the accident was inadequate maintenance, which failed to identify the loose magneto bolt.NTSB WPR17LA119Accident · No injuriesClass 3 · LimitedFinal reportPaul R Seipt Sonex · Garfield, WAThe pilot’s improper torque of screws that attached the flywheel mounting flange to the crankshaft during engine assembly, which resulted in heavy vibrations and the subsequent in-flight loss of the propeller.NTSB WPR15FA268Accident · Serious injuriesField investigationFinal reportCessna 150F · Port Townsend, WAThe loss of engine power due to the mechanic's inadequate tightening of the crankshaft gear retaining bolts during an engine overhaul, which resulted in fatigue failure of the bolts and the crankshaft gear dowel pin that allowed the crankshaft gear to…NTSB WPR15LA101Accident · Minor injuriesLimited investigationFinal reportVans RV7 - Undesignat · Belfair, WAA total loss of engine power during cruise flight due to the fatigue failure of the engine crankshaft. Contributing to the accident was the unapproved repair and improper inspection of the engine crankshaft.NTSB WPR15LA023Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Basin City, WAMaintenance personnel’s and the airplane owner’s failure to inspect the engine for cracks in the cylinders as required by an airworthiness directive, which resulted in the loss of engine power during low-altitude maneuvering flight.NTSB WPR14LA284Accident · No injuriesLimited investigationFinal reportGlobe GC 1B · Puyallup, WAThe failure of the exhaust assembly in the No. 3 cylinder for reasons that could not be determined due to the damage incurred to the fractured parts. Also causal to the accident was maintenance personnel’s improper installation of the cylinder.NTSB WPR12LA382Accident · Minor injuriesLimited investigationFinal reportMooney M20J · Chelan, WAA loss of engine power during climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR12LA356Accident · Minor injuriesLimited investigationFinal reportRockwell S2R · Royal City, WAThe loss of engine power due to the separation of the No. 2 cylinder exhaust rocker boss housing, which prevented the exhaust valve from opening.NTSB WPR11LA391Accident · No injuriesLimited investigationFinal reportLuscombe 8A · Cowiche, WAA partial loss of engine power during maneuvering flight due to an exhaust valve failure.NTSB WPR11LA340Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Lopez, WAA partial loss of engine power due to a cracked engine case near the rear cylinder.NTSB WPR11FA029Accident · 3 fatalField investigationFinal reportCessna 340A · Morton, WAThe pilot’s failure to arrest the excessive rate of turn into the failed engine, which resulted in a loss of control and subsequent impact with terrain. Contributing to the accident was a partial loss of engine power for reasons that could not be determined…NTSB WPR10LA272Accident · No injuriesLimited investigationFinal reportEagle Eagle DW-1 · Waterville, WAA worn wire in the magneto system, which allowed intermittent grounding and a loss of engine power.NTSB WPR10LA235Accident · No injuriesLimited investigationFinal reportBeech 35 · South Bend, WAA loss of engine power during takeoff for undetermined reasons, which resulted in a runway overrun.NTSB WPR10LA196Accident · No injuriesLimited investigationFinal reportCessna P210N · Leavenworth, WAThe failure of the number two cylinder exhaust and intake valves for undetermined reasons, which resulted in a loss of engine power.NTSB WPR10LA165Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Eliza Island, WAThe total loss of engine power during cruise flight due to the failure of maintenance personnel to tighten a fitting on the propeller governor oil line, which resulted in a loss of engine oil and catastrophic engine failure.NTSB WPR09LA364Accident · Serious injuriesLimited investigationFinal reportCessna 150H · Washougal, WAA loss of engine power during initial climb due to a stuck exhaust valve.NTSB WPR09LA362Accident · 1 fatalLimited investigationFinal reportMooney M20C · Elma, WAA total loss of engine power during cruise flight due to the fatigue failure of the number 4 cylinder connecting rod.NTSB SEA08CA176Accident · Minor injuriesData collectionFinal reportCessna 210E · Auburn, WAA catastrophic engine failure due to the partial blockage of the lubricating oil galley in one of the crankshaft connecting rod journals, leading to the failure of the connecting rod cap.NTSB LAX08LA161Accident · Minor injuriesLimited investigationFinal reportDavison Vari Eze · Arlington, WAA loss of engine power for undetermined reasons.NTSB LAX08LA099Accident · Minor injuriesLimited investigationFinal reportPiper PA-18-150 · Concrete, WAA loss of engine power for undetermined reasons.