# NTSB investigations: Piper PA-20: Nose over

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 SEA01LA018](https://openairdocs.org/ntsb/SEA01LA018.md): Piper PA-20 · Great Falls, MT · Accident · No injuries · Limited investigation · Final report · Nov 12, 2000 · N1594A · Substantial damage
  > The pilot's improper decision to land on unsuitable terrain. Factors include snow covered terrain.
- [NTSB ANC95LA096](https://openairdocs.org/ntsb/ANC95LA096.md): Piper PA-20 · Homer, AK · Accident · No injuries · Limited investigation · Final report · Jul 5, 1995 · N6946K · Substantial damage
  > The pilot's improper (excessive) use of the brakes after the airplane crested the landing site's crown and started downhill.
- [NTSB CHI92LA156](https://openairdocs.org/ntsb/CHI92LA156.md): Piper PA-20 · Greenwood, IL · Accident · No injuries · Limited investigation · Final report · May 21, 1992 · N6989K · Substantial damage
  > Excessive application of the brakes during landing roll.
- [NTSB ANC89LA097](https://openairdocs.org/ntsb/ANC89LA097.md): Piper PA-20 · Sheshalik, AK · Accident · No injuries · Limited investigation · Final report · Jun 19, 1989 · N7735K · Substantial damage
  > Pilot-in-command's failure to perform an adequate preflight inspection of the airplane's brakes.

## 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" = 300))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7102002&occurrence=300

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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.