# NTSB investigations, OR: Part(s) separation from AC

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 WPR24LA260](https://openairdocs.org/ntsb/WPR24LA260.md): Kitfox Series V · La Grande, OR · Accident · No injuries · Class 3 · Limited · Final report · Jul 23, 2024 · N53562 · Substantial damage
  > Separation of the propeller blades from progressive damage at the blade roots due to overtightening of the hub bolts.
- [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 WPR23FA141](https://openairdocs.org/ntsb/WPR23FA141.md): Cirrus Design SR22 · Oxbow, OR · Accident · 2 fatal · Class 3 · Field · Final report · Apr 2, 2023 · N424SW · Destroyed
  > The pilot’s continued visual flight into instrument meteorological conditions, resulting in airframe ice accretion and a subsequent loss of airplane control.
- [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 WPR19LA169](https://openairdocs.org/ntsb/WPR19LA169.md): Cessna 140 · Independence, OR · Accident · No injuries · Class 3 · Limited · Final report · Jun 12, 2019 · N73053 · Substantial damage
  > Fatigue failure of the right landing gear axle, which resulted in a loss of control during the landing roll.
- [NTSB GAA19CA185](https://openairdocs.org/ntsb/GAA19CA185.md): Rockwell S 2R · Hermiston, OR · Accident · Minor injuries · Data collection · Final report · Mar 28, 2019 · N4250X · Substantial damage
  > The pilot's distraction due to a spray handle opening and his improper pitch trim setting during final approach, which resulted in an excessive pitchdown when he took his hand off the controls to close the handle.
- [NTSB GAA18CA569](https://openairdocs.org/ntsb/GAA18CA569.md): Maule M7 · Grass Valley, OR · Accident · No injuries · Data collection · Final report · Sep 16, 2018 · N760AC · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB GAA18CA176](https://openairdocs.org/ntsb/GAA18CA176.md): American Champion 7GCBC · Ontario, OR · Accident · No injuries · Data collection · Final report · Mar 18, 2018 · N234RA · Substantial damage
  > The flight instructor's failure to maintain directional control during landing, in cross wind conditions.
- [NTSB GAA18CA108](https://openairdocs.org/ntsb/GAA18CA108.md): Piper J3L · Astoria, OR · Accident · No injuries · Data collection · Final report · Jan 13, 2018 · N35226 · Substantial damage
  > The control stick handgrip separation from the control stick resulting in the airplane pitching forward, which resulted in hard landing.
- [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 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 WPR13LA174](https://openairdocs.org/ntsb/WPR13LA174.md): Vans RV12 · Waldport, OR · Accident · No injuries · Limited investigation · Final report · Mar 30, 2013 · N572LS · Substantial damage
  > The pilot’s improper flare, which resulted in a hard landing.
- [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 WPR13FA006](https://openairdocs.org/ntsb/WPR13FA006.md): Garlick Helicopters UH-1H · Shady Cove, OR · Accident · Minor injuries · Field investigation · Final report · Oct 7, 2012 · N1577 · Substantial damage
  > The separation of the tail rotor gearbox and tail rotor assembly as a result of fatigue to the tail rotor gearbox input quill assembly attachment studs.
- [NTSB WPR11LA412](https://openairdocs.org/ntsb/WPR11LA412.md): Wheeler Vans RV-6A · Albany, OR · Accident · No injuries · Limited investigation · Final report · Aug 28, 2011 · N642DW · Substantial damage
  > The in-flight separation of a propeller blade due to fatigue.
- [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.

## 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 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
```

This list as a web page: https://openairdocs.org/ntsb-events/338/sequence?state=OR

---
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.