# NTSB investigations: Piper PA-20: On ground/water encounter with terrain/water

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 IAD04CA010](https://openairdocs.org/ntsb/IAD04CA010.md): Piper PA-20 · West Ossipee, NH · Accident · No injuries · Data collection · Final report · Feb 11, 2004 · N2634A · Substantial damage
  > The pilot's inability to maintain runway alignment during the landing rollout. Factors included the night lighting conditions and the snow banks that prevented visual reference to the runway lights.
- [NTSB SEA95LA153](https://openairdocs.org/ntsb/SEA95LA153.md): Piper PA-20 · Ogden, UT · Accident · No injuries · Limited investigation · Final report · Jul 18, 1995 · N6953K · Substantial damage
  > The pilot-in-command's failure to maintain directional control. Hte loose tailwheel assembly bolt was a factor.
- [NTSB ANC84LA062](https://openairdocs.org/ntsb/ANC84LA062.md): Piper PA-20 · Ester, AK · Accident · No injuries · Limited investigation · Final report · May 8, 1984 · N7763K · Substantial damage
  > The plt maded an off-arpt landing on a frozen river with an 'overflow.' During the rollout, the acft hit a 12 inch deep pocket of slush & nosed over.

## 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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 320))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102002&occurrence=320

---
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.