# NTSB investigations, AZ: 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 SEA07LA036](https://openairdocs.org/ntsb/SEA07LA036.md): Piper PA 23-235 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Dec 17, 2006 · N5829X · Substantial damage
  > The landing gear collapsed for undetermined reasons while the aircraft was standing on the taxiway with the engines operating.
- [NTSB LAX06LA101](https://openairdocs.org/ntsb/LAX06LA101.md): Cessna R182 · Bullhead City, AZ · Accident · No injuries · Limited investigation · Final report · Feb 3, 2006 · N88AA · Substantial damage
  > overload of the nose landing gear actuator attach bracket resulting in collapse of the nose gear while taxiing. It is undetermined when and under what circumstances the overload occurred.
- [NTSB LAX05LA130](https://openairdocs.org/ntsb/LAX05LA130.md): Cessna 421B · Lake Havasu Cit, AZ · Accident · No injuries · Limited investigation · Final report · Apr 4, 2005 · N637SC · Substantial damage
  > the fracture of the landing gear shaft roll pin that resulted in a main gear collapse during the taxi.
- [NTSB LAX03LA085](https://openairdocs.org/ntsb/LAX03LA085.md): Mooney M20D · Casa Grande, AZ · Accident · No injuries · Limited investigation · Final report · Jan 24, 2003 · N6639U · Substantial damage
  > Collapse of the landing gear during landing rollout, resulting from the pilot/mechanic's incorrect landing gear locking mechanism (linkage) adjustment.
- [NTSB LAX97LA277](https://openairdocs.org/ntsb/LAX97LA277.md): Cessna 310 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Aug 9, 1997 · N8139M · Substantial damage
  > inadequate maintenance inspection of the landing gear system, following a prior incident, due to the mechanic's failure to follow the service manual instructions.
- [NTSB LAX95LA073](https://openairdocs.org/ntsb/LAX95LA073.md): Cessna 421C · Chinle, AZ · Accident · No injuries · Limited investigation · Final report · Dec 14, 1994 · N746CA · Substantial damage
  > the overload failure of the nose gear trunion for undetermined reasons.
- [NTSB LAX85LA249](https://openairdocs.org/ntsb/LAX85LA249.md): Hiller 12-C · Casa Grande, AZ · Accident · No injuries · Limited investigation · Final report · May 9, 1985 · N38767 · Substantial damage
  > The plt was demonstrating autorotations to a touchdown on a dirt rwy into a 5 kt headwind. On the final landing he said that the touchdown felt the same as others he had done. Speed at touchdown was 15 mph and the helicopter slid forward in a straight line…
- [NTSB LAX84LA240](https://openairdocs.org/ntsb/LAX84LA240.md): Beech 95-B55 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Apr 4, 1984 · N5802S · Substantial damage
  > The gear was inadvertently retracted at about 50 mph by the pilot in command during 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."eventStateOrRegion" = 'AZ' 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" = 190)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=190&state=AZ

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