# NTSB investigations: Rotax 915 IS series: Loss of control on ground

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 WPR26LA319](https://openairdocs.org/ntsb/WPR26LA319.md): Rotorsport UK Rotorsport UK Cavalo · Brenham, TX · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 22, 2026 · N987AG · Substantial damage
- [NTSB WPR26LA261](https://openairdocs.org/ntsb/WPR26LA261.md): Kitfox S7 STI · Greenwater, WA · Accident · No injuries · Class 4 · Limited · Final report · Jul 14, 2026 · N323SF · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll, in variable wind conditions.
- [NTSB WPR26LA137](https://openairdocs.org/ntsb/WPR26LA137.md): Salt Lake Gyrocopters Calidus · Fairfield, UT · Accident · No injuries · Class 4 · Limited · Final report · Mar 23, 2026 · N247WR · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll. Contributing to the accident was nose wheel misalignment at touchdown.
- [NTSB CEN26LA017](https://openairdocs.org/ntsb/CEN26LA017.md): Rans S20 · Springfield, CO · Accident · No injuries · Class 4 · Limited · Final report · Oct 12, 2025 · N319WD · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff with a right crosswind.
- [NTSB ERA23LA267](https://openairdocs.org/ntsb/ERA23LA267.md): Fly Gyros M24 Orion · Venice, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 10, 2023 · N49PF · Substantial damage
  > The pilot’s failure to maintain directional control on takeoff for unknown reasons; whether the pilot’s acute stroke contributed to, or resulted from, the accident could not be determined.
- [NTSB WPR23LA181](https://openairdocs.org/ntsb/WPR23LA181.md): Steven Radenbaugh JA35 Superstol · Moorpark, CA · Accident · No injuries · Class 4 · Limited · Final report · May 6, 2023 · N799CP · Substantial damage
  > The pilot’s failure to maintain control of the airplane during an off airport precautionary landing. Contributing to the accident was the pilot’s decision to continue the flight with a possible mechanical malfunction.

## 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" = '230'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/230/cases?engine=55620

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