# Fatal NTSB investigations: Rotax 915 IS series

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 CEN26FA109](https://openairdocs.org/ntsb/CEN26FA109.md): Robert G Elves Tarragon (Tarr) · Shawmut, AZ · Accident · 1 fatal · Class 3 · Field · Preliminary report · Feb 6, 2026 · N35RR · Substantial damage
  > On February 6, 2026, at 1532 mountain standard time, a Tarragon airplane, N35RR, was substantially damaged when it was involved in an accident near Shawmut, Arizona. The pilot was fatally injured and the passenger received serious injuries. The airplane was…
- [NTSB WPR23FA286](https://openairdocs.org/ntsb/WPR23FA286.md): Risen 915 iS · Glendive, MT · Accident · 1 fatal · Class 3 · Field · Final report · Jul 28, 2023 · N2442 · Destroyed
  > The pilot’s failure to maintain airspeed, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall/spin.
- [NTSB ERA23FA078](https://openairdocs.org/ntsb/ERA23FA078.md): Rotorsport UK Cavalon · Beverly, MA · Accident · 1 fatal · Class 3 · Field · Final report · Dec 4, 2022 · N401GR · Substantial damage
  > The pilot’s improper yaw control during the takeoff initial climb, which resulted in an excessive sideslip and a subsequent loss of aircraft control.
- [NTSB CEN22FA433](https://openairdocs.org/ntsb/CEN22FA433.md): Airgyro AG915 · Yankton, SD · Accident · 1 fatal · Class 3 · Field · Final report · Sep 27, 2022 · N499AG · Destroyed
  > A loss of control while an in-flight fire occurred, which resulted in an impact with terrain. Contributing to the accident was the pilot/builder’s improper engine build procedures.
- [NTSB WPR22FA184](https://openairdocs.org/ntsb/WPR22FA184.md): Bruce R Prouse M24 Orion Plus · Cape Girardeau, MO · Accident · 1 fatal · Class 3 · Field · Final report · May 22, 2022 · N590DM · Substantial damage
  > The pilot’s failure to maintain controlled flight, which resulted in a hard left roll, excessive blade flapping and a subsequent in-flight separation of the right horizontal stabilizer.
- [NTSB WPR21LA070](https://openairdocs.org/ntsb/WPR21LA070.md): SilverLight AR-1 · Heber City, UT · Accident · 1 fatal · Class 3 · Limited · Final report · Dec 16, 2020 · N261MD · Substantial damage
  > The pilot’s failure to follow the procedures for takeoff in the Pilot Operating Handbook, which resulted in a loss of control and collision with the terrain. Contributing to the accident was the pilot’s failure to receive additional training in the gyroplane.

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('55620'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=55620&fatal=1

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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.