# NTSB investigations, 2011, WA: Hard landing

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 WPR11LA405](https://openairdocs.org/ntsb/WPR11LA405.md): Juneau Stol CH-701 · Snohomish, WA · Accident · No injuries · Limited investigation · Final report · Aug 18, 2011 · N701BZ · Substantial damage
  > The pilot's improper landing flare, which resulted in a stall and a hard landing.
- [NTSB WPR11LA391](https://openairdocs.org/ntsb/WPR11LA391.md): Luscombe 8A · Cowiche, WA · Accident · No injuries · Limited investigation · Final report · Aug 18, 2011 · N1444K · Substantial damage
  > A partial loss of engine power during maneuvering flight due to an exhaust valve failure.
- [NTSB WPR11LA377](https://openairdocs.org/ntsb/WPR11LA377.md): Robinson Helicopter R22 Beta · Deer Park, WA · Accident · No injuries · Limited investigation · Final report · Aug 8, 2011 · N8332T · Substantial damage
  > The student pilot's failure to maintain control of the helicopter and his delay in relinquishing control to the flight instructor, which resulted in the instructor’s delayed remedial actions and subsequent hard landing.
- [NTSB WPR11CA309](https://openairdocs.org/ntsb/WPR11CA309.md): Cessna 182A · Vancouver, WA · Accident · Minor injuries · Data collection · Final report · Jul 5, 2011 · N5175D · Substantial damage
  > The pilot's failure to properly engage the banner tow rope with the airplane's tail hook.
- [NTSB WPR11CA308](https://openairdocs.org/ntsb/WPR11CA308.md): Piper PA-18 · Enumclaw, WA · Accident · Minor injuries · Data collection · Final report · Jul 2, 2011 · N23TT · Destroyed
  > The pilot's failure to maintain an adequate airspeed during an encounter with a mountain wave and downdraft landing.
- [NTSB WPR11CA261](https://openairdocs.org/ntsb/WPR11CA261.md): Grumman Acft ENG Cor-Schweizer G-164B · Pullman, WA · Accident · Minor injuries · Data collection · Final report · Jun 15, 2011 · N8376K · Substantial damage
  > The pilot's failure to maintain clearance from power lines while maneuvering.
- [NTSB WPR11LA234](https://openairdocs.org/ntsb/WPR11LA234.md): Hoskins Zenith · Puyallup, WA · Accident · Minor injuries · Limited investigation · Final report · May 24, 2011 · N34NH · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during landing, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s lack of experience in the accident airplane.
- [NTSB WPR11LA209](https://openairdocs.org/ntsb/WPR11LA209.md): Cessna 182B · Colville, WA · Accident · No injuries · Limited investigation · Final report · Apr 23, 2011 · N8435T · Substantial damage
  > The partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation.

## 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" = '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" = '092' 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/092/sequence?state=WA&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.