# NTSB investigations, 2011, OR: Collision with terr/obj (non-CFIT)

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 WPR12LA036](https://openairdocs.org/ntsb/WPR12LA036.md): Bell 206B · Woodburn, OR · Accident · Serious injuries · Limited investigation · Final report · Nov 14, 2011 · N16HA · Substantial damage
  > The pilot’s failure to maintain ground clearance while maneuvering with an external load line.
- [NTSB WPR12CA008](https://openairdocs.org/ntsb/WPR12CA008.md): Cessna 172P · Cornelius, OR · Accident · No injuries · Data collection · Final report · Oct 12, 2011 · N52013 · Substantial damage
  > The airplane’s encounter with an unseen hole or obstacle on the grass runway.
- [NTSB WPR11FA395](https://openairdocs.org/ntsb/WPR11FA395.md): Maule M-7-235C · Brookings, OR · Accident · 1 fatal · Field investigation · Final report · Aug 21, 2011 · N199BF · Substantial damage
  > The pilot’s improper decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in a collision with trees while on approach for landing.
- [NTSB WPR11CA358](https://openairdocs.org/ntsb/WPR11CA358.md): Mcdonald Lynn B Avid Flyer Mark IV · Yamhill, OR · Accident · No injuries · Data collection · Final report · Jul 31, 2011 · N30456 · Substantial damage
  > The pilot’s loss of directional control during landing rollout due to an unlocked tail wheel that was caused by a degradation of the tailwheel assembly mounting angle.
- [NTSB WPR11CA355](https://openairdocs.org/ntsb/WPR11CA355.md): Cessna 170A · Mulino, OR · Accident · No injuries · Data collection · Final report · Jul 30, 2011 · N9741A · Substantial damage
  > The certified flight instructor's inadequate oversight of his student, and delayed recovery efforts following the student's loss of directional control during landing rollout.
- [NTSB WPR11CA347](https://openairdocs.org/ntsb/WPR11CA347.md): Cessna 182B · Sandy, OR · Accident · No injuries · Data collection · Final report · Jul 24, 2011 · N8426T · Substantial damage
  > The pilot's failure to maintain adequate clearance between the airplane and ground obstacles.
- [NTSB WPR11LA290](https://openairdocs.org/ntsb/WPR11LA290.md): Christen Industries Pitts S-1T · Alkali Lake, OR · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 2011 · N77MN · Substantial damage
  > The loss of engine oil during cruise flight due to the failure of the front bearing oil seal.
- [NTSB WPR11FA248](https://openairdocs.org/ntsb/WPR11FA248.md): Piper PA-24-250 · Astoria, OR · Accident · 1 fatal · Field investigation · Final report · Jun 5, 2011 · N511FS · Substantial damage
  > The student pilot’s failure to maintain adequate airspeed while maneuvering for landing, which resulted in a stall/spin. Contributing to the accident were the pilot's distraction and anxiety from a reported failure of the airplane's electrical system.
- [NTSB WPR11CA215](https://openairdocs.org/ntsb/WPR11CA215.md): Cessna 185A · Bend, OR · Accident · No injuries · Data collection · Final report · Apr 30, 2011 · N1679Z · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB WPR11FA153](https://openairdocs.org/ntsb/WPR11FA153.md): Volin Kitfox Classic IV · Myrtle Creek, OR · Accident · Serious injuries · Field investigation · Final report · Mar 4, 2011 · N4374K · Substantial damage
  > The pilot's encounter with a windshear/downdraft that exceeded the climb performance capabilities of the airplane.

## 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 year(c."eventDate") = 2011
  AND 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" = '470' 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/470/sequence?state=OR&year=2011

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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.