# NTSB investigations: Rotax 912UL series, WA

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 WPR25LA259](https://openairdocs.org/ntsb/WPR25LA259.md): Czech Aircraft Group Sro Sportcruiser · Puyallup, WA · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Aug 25, 2025 · N538SF · Substantial damage
  > On August 25, 2025, about 1456 Pacific daylight time, a Czech Aircraft Group SRO Sportcruiser, N538SF was substantially damaged when it was involved in an accident near Puyallup, Washington. The pilot sustained serious injuries, and the passenger was not…
- [NTSB WPR20CA192](https://openairdocs.org/ntsb/WPR20CA192.md): North Wing Uum Scout X-C · Rochester, WA · Accident · Serious injuries · Class 4 · Data collection · Final report · Jun 23, 2020 · N417HW · Substantial damage
  > The pilot’s failure to maintain adequate airspeed while on final approach in turbulent conditions, which resulted in an aerodynamic stall and subsequent hard landing.
- [NTSB GAA18CA029](https://openairdocs.org/ntsb/GAA18CA029.md): Six Chuter West Legend XL · Mabton, WA · Accident · Serious injuries · Data collection · Final report · Oct 26, 2017 · N781SC · Substantial damage
  > The pilot’s failure to see and avoid transmission wires.
- [NTSB WPR17FA139](https://openairdocs.org/ntsb/WPR17FA139.md): North Wing Uum Sport X2 912 · Chelan, WA · Accident · 2 fatal · Field investigation · Final report · Jul 1, 2017 · N492XB · Destroyed
  > The flight instructor's failure to maintain control of the aircraft while demonstrating a spiral dive, which resulted in a loss of control. Contributing to the accident was the instructor's decision to demonstrate a spiral dive maneuver at an altitude that…
- [NTSB WPR14LA112](https://openairdocs.org/ntsb/WPR14LA112.md): Weinzierl Searey · Stanwood, WA · Accident · No injuries · Limited investigation · Final report · Jan 27, 2014 · N669DT · Substantial damage
  > The noncertificated pilot’s failure to maintain clearance from water while maneuvering at a low altitude over glassy water conditions, which adversely affected his depth perception.
- [NTSB WPR13FA036](https://openairdocs.org/ntsb/WPR13FA036.md): North Wing Scout X-C · Waterville, WA · Accident · 2 fatal · Field investigation · Final report · Nov 8, 2012 · N467XW · Substantial damage
  > The pilot's failure to maintain control of the airplane while maneuvering at a low altitude, which resulted in a stall and subsequent spin from which he was unable to recover.

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('55571'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=55571&state=WA

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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.