# NTSB investigations, WA: Roll over

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 WPR19LA221](https://openairdocs.org/ntsb/WPR19LA221.md): AutoGyro Cavalon · Shelton, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 15, 2019 · N477AG · Substantial damage
  > The pilot’s failure to initiate the takeoff roll with inadequate rotor speed, and his failure to follow the published takeoff procedures, which resulted in a loss of control and impact with the ground.
- [NTSB GAA19CA034](https://openairdocs.org/ntsb/GAA19CA034.md): Just Just Aircraft (Highl · Monroe, WA · Accident · No injuries · Data collection · Final report · Oct 12, 2018 · N488VG · Substantial damage
  > The pilot's improper engine modification and operation, which resulted in a total loss of engine power due to fuel starvation, and the pilot's failure to maintain an adequate approach path, which resulted in the airplane landing short of the runway.
- [NTSB GAA16CA405](https://openairdocs.org/ntsb/GAA16CA405.md): Bell 206 · Outlook, WA · Accident · Minor injuries · Data collection · Final report · Jul 29, 2016 · N1087N · Destroyed
  > The pilot and ground crew's failure to visually inspect the helicopter's skids before takeoff, which resulted in a water hose becoming entangled on the right skid, a loss of control, an impact with terrain, and a post-crash fire.
- [NTSB WPR16LA032](https://openairdocs.org/ntsb/WPR16LA032.md): Hughes 369D · Carlisle, WA · Accident · No injuries · Limited investigation · Final report · Nov 24, 2015 · N50713 · Substantial damage
  > A total loss of engine power during cruise flight due to fuel exhaustion. Contributing to the accident was the improper calibration of the fuel quantity gauge.
- [NTSB WPR15LA219](https://openairdocs.org/ntsb/WPR15LA219.md): Garlick UH1H · Walla Walla, WA · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 2015 · N121PT · Destroyed
  > The helicopter’s reduction in aerodynamic lift while operating in variable wind conditions for reasons that could not be determined because postaccident examination did not reveal any evidence of preimpact mechanical malfunctions or failures that would have…
- [NTSB WPR15LA109](https://openairdocs.org/ntsb/WPR15LA109.md): Bell/Garlick UH 1H · Shelton, WA · Accident · No injuries · Limited investigation · Final report · Feb 19, 2015 · N166DR · Substantial damage
  > The fatigue failure of the engine-to-transmission driveshaft adapter attachment bolt due to the application of inadequate torque on the bolt during assembly.
- [NTSB WPR14CA019](https://openairdocs.org/ntsb/WPR14CA019.md): Robinson R44 - II · Sedro Woolley, WA · Accident · No injuries · Data collection · Final report · Oct 18, 2013 · N414CC · Substantial damage
  > The non-instrument rated pilot's inadvertent encounter with instrument meteorological conditions during initial climb and his improper decision to continue flight, which resulted in an in-flight impact with a tree and an emergency descent that resulted in a…
- [NTSB WPR12CA344](https://openairdocs.org/ntsb/WPR12CA344.md): Rotorway Exec · Colville, WA · Accident · No injuries · Data collection · Final report · Aug 5, 2012 · N156RW · Substantial damage
  > The pilot's lack of experience in the helicopter, which resulted in his failure to maintain ground clearance during the taxi hover, followed by inadvertent ground contact and rollover.
- [NTSB WPR12CA117](https://openairdocs.org/ntsb/WPR12CA117.md): Robinson Helicopter R22 Beta · Randle, WA · Accident · No injuries · Data collection · Final report · Mar 8, 2012 · N54BA · Substantial damage
  > The pilot exceeded the helicopter's performance, resulting in low rotor rpm and settling.

## 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" = '097' 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/097/sequence?state=WA

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