# NTSB investigations, AL: 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 ATL07LA004](https://openairdocs.org/ntsb/ATL07LA004.md): Piper PA-28R-180 · Alabaster, AL · Accident · No injuries · Limited investigation · Final report · Oct 7, 2006 · N70SR · Substantial damage
  > The jammed landing gear hydraulic motor shuttle valve.
- [NTSB MIA96LA076](https://openairdocs.org/ntsb/MIA96LA076.md): Cessna 310L · Auburn, AL · Accident · No injuries · Limited investigation · Final report · Feb 8, 1996 · N2201F · Substantial damage
  > an overstress failure of the left main gear side brace lock end fitting for undetermined reasons.
- [NTSB ATL83IA208](https://openairdocs.org/ntsb/ATL83IA208.md): Piper PA-34-200T · Muscle Shoals, AL · Incident · No injuries · Incident investigation · Final report · May 26, 1983 · N6935C · Minor damage
  > The right main landing gear strut failed on landing roll. The cause for the failure was not determined, the owner would not make the strut available for testing.
- [NTSB ATL83FA073](https://openairdocs.org/ntsb/ATL83FA073.md): Cessna 421B · Fort Payne, AL · Accident · No injuries · Field investigation · Final report · Dec 23, 1982 · N3380Q · Substantial damage
  > During landing the right main landing gear scissors bolt & bushing pulled through the scissors mount hole allowing the landing gear to rotate 90 deg. An incorrect washer (standard 5/16 in) had been installed in the scissors assembly duringrecent maintenance.…
- [NTSB ATL82DA199](https://openairdocs.org/ntsb/ATL82DA199.md): Grumman G-164A · Wetumpka, AL · Accident · No injuries · Final report · Jul 13, 1982 · N7234 · Substantial damage
  > While taxiing onto the runway with a load of insecticide, the left main landing gear strut failed. The failure occurred about 2 inches from the fuselage attach point.
- [NTSB ATL82DA151](https://openairdocs.org/ntsb/ATL82DA151.md): Piper PA-34-200T · Stevenson, AL · Accident · No injuries · Final report · Jun 1, 1982 · N28945 · Substantial damage
  > Main gear retracted during landing roll. A faulty relay was found in the retracting system. Piper part number 484373.

## 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."eventStateOrRegion" = 'AL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE 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?occurrence=191&state=AL

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