# NTSB investigations: Piper PA-22-150: 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 ANC19CA057](https://openairdocs.org/ntsb/ANC19CA057.md): Piper PA22 · Arctic Village, AK · Accident · Minor injuries · Data collection · Final report · Aug 30, 2019 · N7056D · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering to avoid mountainous terrain, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall.
- [NTSB ERA19LA227](https://openairdocs.org/ntsb/ERA19LA227.md): Piper PA22 · Hastings, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 14, 2019 · N7833D · Substantial damage
  > The pilot’s failure to secure the engine primer control, which resulted in an overly rich fuel/air mixture and degraded engine performance. Contributing to the accident was the pilot’s failure to abort the takeoff in a timely manner.
- [NTSB ERA18FA232](https://openairdocs.org/ntsb/ERA18FA232.md): Piper PA22 · Island Pond, VT · Accident · 1 fatal · Field investigation · Final report · Aug 25, 2018 · N6936B · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack while maneuvering for landing, which resulted in an aerodynamic stall.
- [NTSB CEN17FA315](https://openairdocs.org/ntsb/CEN17FA315.md): Piper PA 22-150 · Las Vegas, NM · Accident · 1 fatal · Field investigation · Final report · Aug 9, 2017 · N3664Z · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering to land, which resulted in an accelerated stall and the pilot’s subsequent loss of control. Contributing to the accident was the gap in the pilot’s flight experience, his…

## 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 ('7102210')
    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=7102210

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