# NTSB investigations, PA: Stall warn/stick-shaker/pusher

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 GAA15CA243](https://openairdocs.org/ntsb/GAA15CA243.md): Cessna 172 · New Enterprise, PA · Accident · No injuries · Data collection · Final report · Aug 30, 2015 · N8404X · Substantial damage
  > The pilot's exceedance of the critical angle of attack during takeoff, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB ERA11CA460](https://openairdocs.org/ntsb/ERA11CA460.md): Mooney M20R · West Chester, PA · Accident · No injuries · Data collection · Final report · Aug 16, 2011 · N121RP · Substantial damage
  > The pilot did not maintain adequate airspeed during a go-around, which resulted 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."eventStateOrRegion" = 'PA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '430' 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/430/sequence?state=PA

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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.