# NTSB investigations: Piper PA-20: 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 ANC22LA027](https://openairdocs.org/ntsb/ANC22LA027.md): Piper PA-20 · Chitina, AK · Accident · No injuries · Class 4 · Limited · Final report · Mar 25, 2022 · N7074K · Substantial damage
  > The pilot’s exceedance of the wing’s critical angle of attack, which resulted in a stall and impact with terrain.
- [NTSB ERA11FA210](https://openairdocs.org/ntsb/ERA11FA210.md): Piper PA-20 · Elgin, SC · Accident · 1 fatal · Field investigation · Final report · Mar 25, 2011 · N7746K · Substantial damage
  > A total loss of engine power due to fuel exhaustion resulting from the pilot’s inadequate preflight planning. Contributing to the accident was that the pilot did not maintain an adequate airspeed, which resulted in an aerodynamic stall.
- [NTSB WPR10LA268](https://openairdocs.org/ntsb/WPR10LA268.md): Piper PA-20 · Nelson, CA · Accident · Serious injuries · Limited investigation · Final report · May 31, 2010 · N7013K · Substantial damage
  > The pilot's loss of aircraft control during an undetermined phase of flight, which resulted in an aerodynamic stall/spin and subsequent collision with terrain.

## 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.aircraft_model_code IN ('7102002')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '241' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/241/sequence?model=7102002

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