# NTSB investigations, AZ: 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 LAX03LA304](https://openairdocs.org/ntsb/LAX03LA304.md): Piper PA-28R-180 · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Aug 19, 2003 · N3817T · Substantial damage > The collapse of the right main gear during the landing roll for undetermined reasons. - [NTSB LAX00LA188](https://openairdocs.org/ntsb/LAX00LA188.md): Cessna 310Q · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · May 9, 2000 · N7648Q · Substantial damage > the overload fracture and separation of the right main landing gear attachment. - [NTSB LAX99LA097](https://openairdocs.org/ntsb/LAX99LA097.md): Cessna 414 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Feb 15, 1999 · N1557T · Substantial damage > The overload failure of the left main gear locking mechanism due to improper system rigging by maintenance personnel. - [NTSB LAX93LA036](https://openairdocs.org/ntsb/LAX93LA036.md): Beech F33A · Phoenix, AZ · Accident · Minor injuries · Limited investigation · Final report · Nov 13, 1992 · N1553A · Substantial damage > The dual students premature retraction of the landing gear during the takeoff portion of a touch and go, and, the inadequate supervision of the flight by the instructor pilot. Factors which contributed to the accident were the deactivation of the landing gear… - [NTSB LAX92LA341](https://openairdocs.org/ntsb/LAX92LA341.md): Bellanca 17-30A · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Aug 9, 1992 · N6649V · Substantial damage > The failure of the fixed base operator to properly conduct an annual inspection and inadequate compliance with the airworthiness directive. Contributing to this accident was the total failure of the main landing gear trunion due to fatigue. - [NTSB LAX92LA171](https://openairdocs.org/ntsb/LAX92LA171.md): Piper PA-34-200 · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Apr 10, 1992 · N41632 · Substantial damage > The total failure of the landing gear strut (trunnion) due to fatigue. A factor in the accident was related to the inadequately performed recent annual inspection. - [NTSB LAX90DUJ01](https://openairdocs.org/ntsb/LAX90DUJ01.md): Roger Nelson Aeronica/T · Sierra Vista, AZ · Accident · No injuries · Final report · Oct 8, 1989 · N101E · Substantial damage > The pilot's inaccurate placement of the aircraft wheels into depressions in a platform mounted on a moving pickup truck during an airshow performance. - [NTSB LAX87LA086](https://openairdocs.org/ntsb/LAX87LA086.md): Swearingen SA227-AC · Yuma, AZ · Accident · No injuries · Limited investigation · Final report · Jan 10, 1987 · N165SW · Substantial damage > The left main landing gear retracted after a normal landing and the aircraft swerved off the left side of the runway into the dirt. Crewmembers stated that they observed three green landing gear position lights prior to touch down and that, after the aircraft… - [NTSB LAX86LA262](https://openairdocs.org/ntsb/LAX86LA262.md): Beech 95-C55 · Flagstaff, AZ · Accident · No injuries · Limited investigation · Final report · Jun 22, 1986 · N7860L · Substantial damage > The pilot stated that, on the landing roll, the right main landing gear collapsed and the right wing was damaged as a result of contact with the runway. The mechanic who examined the aircraft stated that the right landing gear failed to lock, however he was… - [NTSB LAX84LA141](https://openairdocs.org/ntsb/LAX84LA141.md): Cessna 310 · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Jan 15, 1984 · N8926Z · Substantial damage > The right main landing gear collapsed as the acft was being taxied to the ramp. The plt reported that the acft was traveling about 30 mph during entry into the taxi turn-off area at the time of the accident. Failure occurred in theright rear trunion pin. - [NTSB LAX84LA007](https://openairdocs.org/ntsb/LAX84LA007.md): Piper PA-28R-201T · Chandler, AZ · Accident · No injuries · Limited investigation · Final report · Oct 7, 1983 · N36429 · Substantial damage > Prior to landing the plt observed that the gear down light for the right gear did not illuminate. He recycled the gear 2 or 3 times, but the green gear down light would not illuminate. Ground personnel reported to the plt that the gear appeared to be down.… - [NTSB LAX83LA294](https://openairdocs.org/ntsb/LAX83LA294.md): Piper PA-34-200T · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Jun 21, 1983 · N3ZT · Substantial damage > The left main landing gear collapsed during landing. The pilot had difficulty getting all the landing gear warning lights to function properly in the pattern. After 1 recycle the gear indicated down but on rollout the left gear collapsed. The pilot feathered… - [NTSB LAX83FUJ11](https://openairdocs.org/ntsb/LAX83FUJ11.md): Douglas A26C · Phoenix, AZ · Accident · No injuries · Final report · Jan 4, 1983 · N25GH · Substantial damage > The left gear retracted. The modification of the acft for experimental use reduced access to the rudder trim control with the gear selector in the down position. With the selector in neutral, it was possible to apply loads to the gear which removed the gear… - [NTSB LAX83LA062](https://openairdocs.org/ntsb/LAX83LA062.md): Piper PA-34-200T · Prescott, AZ · Accident · No injuries · Limited investigation · Final report · Dec 31, 1982 · N477BL · Substantial damage > The right main landing gear collapsed during the landing roll. On-scene examination revealed that the right main gear was down & locked, but a material failure in the trunnion allowed the gear to rotate out & clockwise leading to collapse. A similarly located… - [NTSB LAX82DA328](https://openairdocs.org/ntsb/LAX82DA328.md): Piper PA-28-140 · Keyenta, AZ · Accident · No injuries · Final report · Sep 10, 1982 · N98059 · Substantial damage > Landing gear collapsed during landing roll on a muddy dirt strip. ## 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" = 191) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=191&state=AZ --- 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.