# NTSB investigations, WA: Abrupt maneuver

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 WPR25LA246](https://openairdocs.org/ntsb/WPR25LA246.md): Hiller UH-12E · Fobes Hill, WA · Accident · No injuries · Class 4 · Limited · Final report · Aug 11, 2025 · N703WA · Substantial damage
  > The pilot’s abrupt maneuver to avoid a powerline during an aerial application flight, which resulted in the helicopter’s impact with terrain.
- [NTSB WPR21LA161](https://openairdocs.org/ntsb/WPR21LA161.md): Rans S12 · Colville, WA · Accident · 2 fatal · Class 3 · Limited · Final report · Apr 17, 2021 · N707PH · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering to avoid powerlines, which resulted in an aerodynamic stall and a loss of control. Contributing to the accident was the partial loss of engine power due to improper…
- [NTSB GAA17CA323](https://openairdocs.org/ntsb/GAA17CA323.md): Air Tractor AT 802 · Prosser, WA · Accident · No injuries · Data collection · Final report · Jun 5, 2017 · N802NB · Substantial damage
  > The pilot’s abrupt maneuver to avoid hay bales during the takeoff roll, which resulted in a loss of directional control.
- [NTSB WPR14CA378](https://openairdocs.org/ntsb/WPR14CA378.md): Piper PA 18A 150 · Walla Walla, WA · Accident · No injuries · Data collection · Final report · Aug 25, 2014 · N7860D · Substantial damage
  > The pilot's misjudged approach which resulted in overshooting the landing point and insufficient remaining landing surface.
- [NTSB WPR09CA232](https://openairdocs.org/ntsb/WPR09CA232.md): Atkins John RAF 2000 G · South Prairie, WA · Accident · Minor injuries · Data collection · Final report · May 9, 2009 · N1435X · Substantial damage
  > The pilot's abrupt maneuver to avoid a collision that resulted in an airspeed reduction and subsequent loss of lift provided by the rotor system. Contributing to the accident was the failure of both pilots to maintain an adequate visual lookout for other…
- [NTSB LAX08CA110](https://openairdocs.org/ntsb/LAX08CA110.md): Snobird Charger · Toledo, WA · Accident · Serious injuries · Data collection · Final report · Apr 11, 2008 · UNREG · Substantial damage
  > The pilot's improper use of the flight controls during takeoff.

## 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" = '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" = '270' 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/270/sequence?state=WA

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