# NTSB investigations: Rotax 503 series: Aerodynamic stall/spin

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 WPR18LA142](https://openairdocs.org/ntsb/WPR18LA142.md): Kolb Firestar · Atmore, AL · Accident · Serious injuries · Limited investigation · Final report · May 11, 2018 · N9216E · Substantial damage
  > The noncertificated pilot's failure to maintain airplane control, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of flight experience and qualification.
- [NTSB ERA13CA354](https://openairdocs.org/ntsb/ERA13CA354.md): Stetson Norman B Challenger II · Orange, MA · Accident · No injuries · Data collection · Final report · Aug 6, 2013 · N94454 · Substantial damage
  > The pilot’s failure to maintain airspeed during the initial climb after takeoff, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s lack of total flight experience in the accident airplane make and model.
- [NTSB ERA09LA451](https://openairdocs.org/ntsb/ERA09LA451.md): Engle David TWO Place · Manlius, NY · Accident · Serious injuries · Limited investigation · Final report · Aug 8, 2009 · N9259F · Substantial damage
  > The pilot's failure to maintain adequate airspeed during climbout, resulting in an aerodynamic stall.

## 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 ('55564')
    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" = '241'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/241/cases?engine=55564

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