# NTSB investigations, OR: Aircraft structures

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR24LA300](https://openairdocs.org/ntsb/WPR24LA300.md): Pacific Aerospace 750XL · Mulino, OR · Accident · No injuries · Class 4 · Limited · Final report · Aug 31, 2024 · N902ST · Substantial damage
  > The skydiver’s unintentional parachute deployment and subsequent entanglement with the airplane’s horizontal stabilizer.
- [NTSB DCA24MA063](https://openairdocs.org/ntsb/DCA24MA063.md): Boeing 737-9 · Portland, OR · Accident · Minor injuries · Class 1 · Major · Final report · Jan 6, 2024 · N704AL · Substantial damage
  > the in-flight separation of the left mid exit door (MED) plug due to Boeing Commercial Airplanes’ failure to provide adequate training, guidance, and oversight necessary to ensure that manufacturing personnel could consistently and correctly comply with its…
- [NTSB WPR23LA255](https://openairdocs.org/ntsb/WPR23LA255.md): Avia Stroitel AC-5M · North Plains, OR · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 5, 2023 · N40233 · Substantial damage
  > The pilot’s failure to maintain control of the motor glider, which resulted in an inflight overstress separation of the right wing during a high-speed, high-wing-load spiral dive recovery. Contributing to the accident was the inadequately manufactured wing…
- [NTSB WPR21LA204](https://openairdocs.org/ntsb/WPR21LA204.md): Mcclure B J Glasair III · Eugene, OR · Accident · Serious injuries · Class 3 · Limited · Final report · May 20, 2021 · N54CB · Destroyed
  > The pilot’s loss of airplane control during the approach to landing due to an asymmetrical flap deployment for reasons that could not be determined based on the available evidence.
- [NTSB WPR20LA224](https://openairdocs.org/ntsb/WPR20LA224.md): Hiller UH 12D · Mehama, OR · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 17, 2020 · N2297W · Destroyed
  > An in-flight separation of a tail rotor blade due to fatigue cracking and overstress, which resulted in a loss of directional control and subsequent ground impact.
- [NTSB WPR19LA020](https://openairdocs.org/ntsb/WPR19LA020.md): Cessna 182 · Burns, OR · Accident · No injuries · Class 3 · Limited · Final report · Oct 27, 2018 · N3267S · Substantial damage
  > The failure of the left main landing gear due to fatigue cracking of a bolt that initiated at a corrosion pit, which formed in the absence of a required protective cadmium coating.
- [NTSB WPR17LA116](https://openairdocs.org/ntsb/WPR17LA116.md): Extra Flugzeugbau EA 300/S · Pendelton, OR · Accident · No injuries · Limited investigation · Final report · May 20, 2017 · N68PW · Substantial damage
  > The pilot’s failure to follow checklists to ensure the canopy was secured before takeoff.
- [NTSB WPR16LA023](https://openairdocs.org/ntsb/WPR16LA023.md): Thorp T 18 · Independence, OR · Accident · No injuries · Limited investigation · Final report · Nov 6, 2015 · N1488 · Substantial damage
  > A separation of the canopy mechanism during flight, which resulted in the pilot’s precautionary landing and the airplane’s subsequent collision with a fence post.
- [NTSB WPR13FA411](https://openairdocs.org/ntsb/WPR13FA411.md): Bell UH 1B · Detroit, OR · Accident · 1 fatal · Field investigation · Final report · Sep 16, 2013 · N204UH · Substantial damage
  > The fatigue failure of the upper two tailboom attachment points, which resulted in the tailboom separating from the fuselage during logging operations. Contributing to the accident was poor maintenance throughout the helicopter’s operational life.
- [NTSB WPR13LA154](https://openairdocs.org/ntsb/WPR13LA154.md): Piper PA-23-250 · Hillsboro, OR · Accident · No injuries · Limited investigation · Final report · Mar 18, 2013 · N318CA · Substantial damage
  > A runway overrun due to an insufficient stopping distance due to the downsloping runway during a rejected takeoff. Contributing to the accident was a cabin door that inadvertently opened during the takeoff roll.
- [NTSB WPR13FA056](https://openairdocs.org/ntsb/WPR13FA056.md): Mcdaniel RV-6-CH · Scio, OR · Accident · 2 fatal · Field investigation · Final report · Nov 26, 2012 · N424D · Substantial damage
  > The pilot's decision to perform aerobatics in an airplane that was prohibited from aerobatics as stated in its operating limitations document, which resulted in the failure of the right wing spar.
- [NTSB WPR11LA352](https://openairdocs.org/ntsb/WPR11LA352.md): Eurocopter AS 350 B3 · Troutdale, OR · Accident · No injuries · Limited investigation · Final report · Jul 27, 2011 · N808LF · Substantial damage
  > The in-flight separation of the tail rotor drive shaft cover as a result of maintenance personnel not ensuring that it was secured after a maintenance inspection; also causal was the pilot’s inadequate preflight inspection of the helicopter.
- [NTSB WPR10FA397](https://openairdocs.org/ntsb/WPR10FA397.md): Aero Commander 500-B · Burns, OR · Accident · 2 fatal · Field investigation · Final report · Aug 11, 2010 · N500FV · Substantial damage
  > The non-instrument rated pilot's improper decision to continue flight into an area of known instrument meteorological conditions and his failure to maintain control of the airplane after entering those conditions.
- [NTSB WPR10LA353](https://openairdocs.org/ntsb/WPR10LA353.md): Topdog Ultralights TOP DOG 582 · Eagle Point, OR · Accident · Serious injuries · Limited investigation · Final report · Jul 16, 2010 · N82047 · Substantial damage
  > The separation of the left wingtip.
- [NTSB WPR09FA391](https://openairdocs.org/ntsb/WPR09FA391.md): Navion Navion A · Adrian, OR · Accident · 3 fatal · Field investigation · Final report · Aug 7, 2009 · N4898K · Substantial damage
  > The pilot’s failure to maintain aircraft control while in cruise flight due to spatial disorientation, which resulted in an exceedence of the design stress limits of the aircraft and led to an in-flight structural failure.
- [NTSB LAX08LA226](https://openairdocs.org/ntsb/LAX08LA226.md): Jonsson Sonerai · Hood River, OR · Accident · No injuries · Limited investigation · Final report · Jul 11, 2008 · N8050R · Substantial damage
  > The pilot's failure to maintain directional control during the emergency landing roll with a tailwind. Contributing was the partial separation of the left aileron that prompted the pilot to attempt the emergency landing.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '0103'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/0103/cases?state=OR

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.