NTSB investigations, WA

13 cases where the defining event was Sys/Comp malf/fail (non-power).

Cases per year

20082026
NTSB investigations, WA per year, 2008–2026: 13 cases
20082
20092
20101
20121
20172
20232
20241
20251
20261

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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '330')
  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.

NTSB WPR26LA203Accident · No injuriesClass 4 · LimitedFinal reportPzl-Swidnik PW-5 · Soap Lake, WAThe pilot’s failure to ensure the proper preflight assembly of the glider's wing attachment system, which resulted in substantial damage to the wing structure during flight.May 23, 2026 · N157AJ · Substantial damageNTSB WPR25LA178Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28R-200 · Vancouver, WAA failure of the brake system during landing due to a hydraulic fluid leak, which resulted in a runway excursion.Apr 4, 2025 · N9404N · Substantial damageNTSB WPR24LA319Accident · No injuriesClass 3 · LimitedFinal reportBell 206L · Fern Prairie, WAAn aeroelastic interaction between the helicopter’s main rotor blades and nodal beam system, which resulted in oscillations that exceeded the design limits of the tailboom. Contributing to the accident was the failure of the main rotor blade manufacturer to…Sep 26, 2024 · N9984K · Substantial damageNTSB WPR23LA213Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Tacoma, WAA fatigue failure of the left main landing gear hydraulic actuator, which resulted in a loss of hydraulic fluid that prevented the pilot from lowering the landing gear to the fully extended position and maintaining directional control after landing.May 30, 2023 · N9574X · Substantial damageNTSB WPR23LA157Accident · No injuriesClass 3 · LimitedFinal reportBeech 95 · Bremerton, WAFailure of the down limit and down indicator switch and the warning horn switch assemblies, which prevented the landing gear from extending and at the same time providing a false indication that the landing gear was extended.Apr 5, 2023 · N21RS · Substantial damageNTSB GAA18CA013Accident · No injuriesData collectionFinal reportCessna 172RG · Auburn, WAThe failure of the right main landing gear for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.Oct 15, 2017 · N5159U · Substantial damageNTSB WPR17LA114Accident · No injuriesLimited investigationFinal reportTappen Chris Velocity SUV · Puyallup, WAThe airplane builder's failure to install safety wires on the brake disc attachment bolts, and the mechanic’s failure to identify the omission during the condition inspection. The subsequent brake disc separation resulted in a loss of directional control…May 30, 2017 · N399DG · Substantial damageNTSB WPR12LA430Accident · Minor injuriesLimited investigationFinal reportCessna 150F · Snohomish, WAThe failure of the right wheel brake hydraulic line during the landing roll, which rendered the brake system inoperative.Sep 17, 2012 · N8130F · Substantial damageNTSB WPR10LA479Accident · No injuriesLimited investigationFinal reportPiper PA-46-350P · Spokane, WAThe failure of a manufacturing splice of the right main landing gear tire’s inner tube, which resulted in a deflated tire and a consequent loss of directional control on landing.Sep 30, 2010 · N90SE · Substantial damageNTSB WPR10LA090Accident · No injuriesLimited investigationFinal reportCessna 310 · Pasco, WAThe failure of the right main landing gear up-lock.Dec 12, 2009 · N2640C · Substantial damageNTSB WPR09LA371Accident · No injuriesLimited investigationFinal reportSikorsky S-55 · Chelan, WAFailure of a seal in the hydraulic system resulting in a loss of hydraulic pressure while maneuvering at low altitude.Jul 24, 2009 · N1255T · Substantial damageNTSB SEA08CA184Accident · No injuriesData collectionFinal reportWheat Excalibur EX · Moses Lake, WAThe right rudder pedal attach rivets sheared due to overload.Aug 18, 2008 · N2505Q · Substantial damageNTSB SEA08LA147Accident · No injuriesLimited investigationFinal reportAero Commander 690A · Tacoma, WAThe collapse of the right main landing gear for undetermined reasons.May 30, 2008 · N115AB · Substantial damage