# NTSB investigations: Piper PA-44-180: Main gear collapsed

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 SEA08LA029](https://openairdocs.org/ntsb/SEA08LA029.md): Piper PA-44-180 · Byron, CA · Accident · No injuries · Limited investigation · Final report · Nov 14, 2007 · N274ER · Substantial damage
  > The failure of the right main landing gear aft trunnion attach fitting due to overload during the landing roll.
- [NTSB MIA98LA248](https://openairdocs.org/ntsb/MIA98LA248.md): Piper PA-44-180 · Titusville, FL · Accident · No injuries · Limited investigation · Final report · Sep 18, 1998 · N39776 · Substantial damage
  > The collapse of the right main landing gear for undetermined reasons. A contributing factor was the pilot's failure to execute the emergency gear extension procedure.
- [NTSB ATL88LA080](https://openairdocs.org/ntsb/ATL88LA080.md): Piper PA-44-180 · Florence, SC · Accident · No injuries · Limited investigation · Final report · Jan 16, 1988 · N268NA · Substantial damage
  > The left main ldg gear collapsed during takeoff roll, following a touch & go ldg. The airplane subsequently veered into a snowbank. Post-crash examination of the airplane revealed that the left MLG truss bracket assy had pulled loose from the acft structure…
- [NTSB MIA87IA170](https://openairdocs.org/ntsb/MIA87IA170.md): Piper PA-44-180 · Jacksonville, FL · Incident · No injuries · Incident investigation · Final report · Jun 3, 1987 · N180PA · Minor damage
  > During the landing roll the rt main landing gear collapsed. Examination of the landing gear revealed that the strut housing (trunnion) failed due to overload which was precipitated by fatigue and caused by a stress riser located on a manufacturing seam.

## 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 ('7104402', '7104406')
    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" = 191))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7104402&occurrence=191

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