# NTSB investigations: Piper PA-20: Abnormal runway contact

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 CEN20CA161](https://openairdocs.org/ntsb/CEN20CA161.md): Piper PA 20 · Colorado Springs, CO · Accident · No injuries · Data collection · Final report · Apr 26, 2020 · N1598A · Substantial damage
  > The flight instructor's improper landing flare, which resulted in a bounced landing, and his subsequent loss of directional control.
- [NTSB GAA18CA441](https://openairdocs.org/ntsb/GAA18CA441.md): Piper PA · East Sound, WA · Accident · No injuries · Data collection · Final report · Jun 17, 2018 · N11YB · Substantial damage
  > The pilot's improper landing flare, which resulted in a bounced landing and his subsequent failure to maintain directional control in a gusting, left quartering headwind.
- [NTSB GAA15CA273](https://openairdocs.org/ntsb/GAA15CA273.md): Piper PA 20 · Marshfield, MA · Accident · No injuries · Data collection · Final report · Sep 19, 2015 · N6932K · Substantial damage
  > The pilot's loss of directional control during the landing roll, which resulted in a ground loop and impact with terrain.
- [NTSB WPR15LA190](https://openairdocs.org/ntsb/WPR15LA190.md): Piper PA 20 · Yellow Pine, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 18, 2015 · N6939K · Substantial damage
  > The pilot's delayed decision to go around after realizing that the airplane’s airspeed and altitude were too high, which resulted in an inadequate flare and bounced landing and a subsequent go-around in high-density altitude conditions.

## 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" = '090' 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/090/sequence?model=7102002

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