# NTSB investigations: Piper PA-20: Landing gear collapse

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 WPR26LA288](https://openairdocs.org/ntsb/WPR26LA288.md): Piper PA-20 · Reno, NV · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 2, 2026 · N7626K · Substantial damage
- [NTSB ERA12LA287](https://openairdocs.org/ntsb/ERA12LA287.md): Piper PA-20 · Cross Keys, NJ · Accident · No injuries · Limited investigation · Final report · Apr 13, 2012 · N7001K · Substantial damage
  > The pilot's failure to maintain control of the airplane during landing, which resulted in the overstress and subsequent failure of the right main landing gear assembly.
- [NTSB ERA09CA023](https://openairdocs.org/ntsb/ERA09CA023.md): Piper PA-20 · Albertville, AL · Accident · No injuries · Data collection · Final report · Oct 19, 2008 · N7324K · Substantial damage
  > The pilot’s failure to maintain control of the airplane during the landing roll.

## 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" = '094' 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/094/sequence?model=7102002

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