# NTSB investigations: Rotax 915 IS series: Loss of control in flight

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 CEN24LA355](https://openairdocs.org/ntsb/CEN24LA355.md): Just SuperStol · Mount Vernon, IA · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 12, 2024 · N874FT · Substantial damage
  > The pilot’s failure to maintain airplane control during a go-around which resulted in an aerodynamic stall and collision with terrain.
- [NTSB ERA24LA008](https://openairdocs.org/ntsb/ERA24LA008.md): Rotorsport UK Mtosport 2017 · Easton, MD · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 13, 2023 · N975CD · Substantial damage
  > The pilot’s failure to maintain control of the gyroplane on takeoff.
- [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 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.
- [NTSB GAA19CA359](https://openairdocs.org/ntsb/GAA19CA359.md): Autogyro Cavalon · Nephi, UT · Accident · Minor injuries · Data collection · Final report · Jun 19, 2019 · N882M · Substantial damage
  > The pilot's insufficient rudder input during takeoff, which resulted in a loss of yaw control and a hard landing.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('55620')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=55620

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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.