NTSB investigations, WA
17 cases where the sequence of events included Part(s) separation from AC.
Cases per year
| 2010 | 1 |
|---|---|
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 1 |
| 2023 | 1 |
| 2025 | 2 |
Where
Latest 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '338' 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" = 'WA' 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" = '338' 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 WPR26LA041Accident · No injuriesClass 3 · LimitedPreliminary reportBessler Duane Lynn Savannah · Pacific, WAOn November 7, 2025 at 1331 Pacific standard time, an experimental amateur-built ICP Savannah amphibious airplane, N358D, was substantially damaged when it was involved in an accident near Pacific, Washington. The pilot and the passenger were not injured. The…NTSB WPR26LA026Accident · No injuriesClass 3 · LimitedPreliminary reportExtra Flugzeugbau EA 300/L · Arlington, WAOn October 14, 2025, at about 1030 Pacific daylight time, an EXTRA FLUGZEUGBAU GMBH 300L, N300EX, was substantially damaged when it was involved in an accident near Arlington, Washington. The flight instructor and private pilot receiving instruction were…NTSB WPR23FA351Accident · 1 fatalClass 3 · FieldFinal reportGolden Circle T Bird · Arlington, WAA failure of the forward left wing spar due to an improper repair, which resulted in an inflight separation of the left wing. Contributing to the accident was improper maintenance by splicing the wing spar.NTSB GAA19CA376Accident · No injuriesData collectionFinal reportPiper PA 12 · Yakima, WAThe separation of the left steering spring from the tailwheel assembly during landing for reasons that could not be determined, which resulted in a ground loop.NTSB GAA18CA461Accident · No injuriesData collectionFinal reportCessna 152 · Oak Harbor, WAThe student pilot's improper landing flare, which resulted in a hard, bounced landing.NTSB GAA18CA443Accident · No injuriesData collectionFinal reportJust JA30 Superstol · Chelan Falls, WAThe pilot's improper approach over a river, which resulted in a collision with a dock.NTSB WPR18FA195Accident · 3 fatalClass 3 · FieldFinal reportCessna 172 · Deer Park, WAAn in-flight breakup as a result of the airplane exceeding the structural strength of the airplane during a rapid descent that the flight instructor was unable to recover from following a collision with a large bird.NTSB GAA18CA336Accident · No injuriesData collectionFinal reportAviat A 1 · Renton, WAThe pilot’s inadequate crosswind correction, which resulted in the right wing impacting the water’s surface.NTSB WPR18LA147Accident · Serious injuriesClass 3 · LimitedFinal reportBell UH 1H · Olympia, WAA loss of tail rotor thrust due to the improper installation of the tail rotor assembly by maintenance personnel resulted in the pilot’s inability to maintain control of the helicopter as he began transition into forward flight from a hover, which resulted in…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 GAA16CA345Accident · No injuriesData collectionFinal reportCessna 170 · Everett, WAThe pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion and substantial damage to the fuselage.NTSB WPR15LA092Accident · 1 fatalLimited investigationFinal reportAlexander RV-7 · Seabeck, WAA loss of airplane control for reasons that could not be determined because the airplane impacted water, and the majority of the wreckage was not recovered.NTSB WPR14LA308Accident · Serious injuriesLimited investigationFinal reportMdhi 369D · Oso, WAThe pilot/mechanic’s failure to properly perform required inspections of the main rotor blades at the necessary intervals, which resulted in an in-flight separation of a main rotor blade due to disbonding and fatigue cracking. Contributing to the accident was…NTSB WPR14LA179Accident · No injuriesLimited investigationFinal reportCoulter Hugh Clarke Pulsar XP Series I · Bremerton, WAFatigue failure of the nose landing gear retention and pivot shaft, which resulted in the in-flight separation of the nose gear wheel and tire assembly.NTSB WPR13FA243Accident · Minor injuriesField investigationFinal reportHiller UH-12E · Wenatchee, WAFatigue failure of the six bolts that secured the bevel gear to the first stage planetary carrier, which caused the transmission to seize while the helicopter and main rotor were still operating.NTSB WPR12CA294Accident · No injuriesData collectionFinal reportOmlin Robert G Exec 162F Rotorway · Quincy, WAThe pilot’s failure to ensure that a flag attached to the landing skid was properly secured, which resulted in its in-flight separation and contact with the tail rotor.NTSB WPR10FA277Accident · 1 fatalField investigationFinal reportRobinson R22 Beta · Spokane, WAA loss of engine power 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 and the student pilot's failure to maintain main rotor rpm.…