# NTSB investigations: 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. Page 5 of 9 · 406 cases ## Cases, newest first - [NTSB LAX89FA160](https://openairdocs.org/ntsb/LAX89FA160.md): Sikorsky S-58ET · Santa Ana, CA · Accident · Minor injuries · Field investigation · Final report · Apr 15, 1989 · N1168U · Substantial damage > Failure of the landing gear resulting from excessive loading during ground operations, and fatigue cracking. - [NTSB ANC89LA058](https://openairdocs.org/ntsb/ANC89LA058.md): Cessna 185 · Trinity Lake, AK · Accident · No injuries · Limited investigation · Final report · Apr 12, 1989 · N9850X · Substantial damage > The pilot's selection of unsuitable terrain on which to land. - [NTSB MIA89LA121](https://openairdocs.org/ntsb/MIA89LA121.md): Cessna 340A · West Palm Beach, FL · Accident · No injuries · Limited investigation · Final report · Apr 2, 1989 · N4273C · Substantial damage > Failure of the right main landing gear bellcrank assembly due to binding and inadequate maintenance lubrication. - [NTSB ATL89LA108](https://openairdocs.org/ntsb/ATL89LA108.md): Beech A36 · Chamblee, GA · Accident · No injuries · Limited investigation · Final report · Mar 19, 1989 · N72253 · Substantial damage > The inattention of the pilot which resulted in the inadvertent retraction of the landing gear during the landing roll. - [NTSB CHI89FA058](https://openairdocs.org/ntsb/CHI89FA058.md): Cessna 177RG · Rockford, IL · Accident · No injuries · Field investigation · Final report · Mar 18, 1989 · N52634 · Substantial damage > The inadequate servicing of the hydraulic fluid by maintenance personnel and the pilot's failure to extend the landing gear manually. - [NTSB MIA89LA107](https://openairdocs.org/ntsb/MIA89LA107.md): Cessna 402A · Miami, FL · Accident · No injuries · Limited investigation · Final report · Mar 13, 1989 · N2882F · Substantial damage > The overload failure of the bellcrank for the left main gear retraction linkage assembly for an unknown reason. - [NTSB ATL89LA097](https://openairdocs.org/ntsb/ATL89LA097.md): Cessna 180J · W. Columbia, SC · Accident · No injuries · Limited investigation · Final report · Mar 4, 1989 · N601RF · Substantial damage > Improper torquing of the attachment bolt during installation by unknown person(s), which resulted in the separation of the bolt and nut and subsequent separation of the main landing gear from the airplane. - [NTSB MIA89IA094](https://openairdocs.org/ntsb/MIA89IA094.md): Beech B60 · Jacksonville, FL · Incident · No injuries · Incident investigation · Final report · Feb 25, 1989 · N294D · Minor damage > Failure of the left main landing gear retract rod due to poor maintenance and inspection of the main gear assembly. - [NTSB ANC89LA044](https://openairdocs.org/ntsb/ANC89LA044.md): Piper J-5 · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Feb 15, 1989 · N35038 · Substantial damage > The pilot's selection of unsuitable terrain. A contributing factor is the pilot's lack of experience in off airport landings. - [NTSB MIA89LA085](https://openairdocs.org/ntsb/MIA89LA085.md): Cessna 340A · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Feb 14, 1989 · N5454X · Substantial damage > Seizure of the right main landing gear upper downlock top bushing, and the failure of other maintenance personnel to properly rig the landing gear down light micro switches. - [NTSB ANC89LA030](https://openairdocs.org/ntsb/ANC89LA030.md): Champion 7GCBC · Cantwell, AK · Accident · No injuries · Limited investigation · Final report · Jan 2, 1989 · N5134T · Substantial damage > The pilot's selection of unsuitable terrain for landing. Contributing factors were the pilot's lack of total experience, and the snow covered runway. - [NTSB MKC89FA038](https://openairdocs.org/ntsb/MKC89FA038.md): Cessna 650 · Hutchinson, KS · Accident · No injuries · Field investigation · Final report · Dec 10, 1988 · N61BE · Substantial damage > Purpose of flight was to prepare the left-seat pilot for a type rating, and this was his first landing since completing ground school. There was another student in the jump seat, and two more in the back of the airplane. The airplane was landing on runway 31;… - [NTSB MIA88LA276](https://openairdocs.org/ntsb/MIA88LA276.md): Piper PA-28R-200 · Bunnell, FL · Accident · No injuries · Limited investigation · Final report · Sep 24, 1988 · N15513 · Substantial damage > While taxiing to takeoff after lndg, the left main lndg gear collapsed. The acft slid to stop. Examination of the acft revealed the lndg gear microswitch failed internally. The landing gear handle was down gut no determination could be made as to its position… - [NTSB BFO88LA083](https://openairdocs.org/ntsb/BFO88LA083.md): Cessna 310R · Washington, DC · Accident · No injuries · Limited investigation · Final report · Sep 15, 1988 · N87297 · Substantial damage > During the landing roll the left main landing gear collapsed. The acft continued to roll and came to a stop on taxiway 'k'. Inspection revealed that the push-pull rod assembly, p/n 0840125-15, failed allowing the gear to collapse. The purpose of the rod is to… - [NTSB ANC88LA119](https://openairdocs.org/ntsb/ANC88LA119.md): Cessna 185F · Joseph Village, AK · Accident · No injuries · Limited investigation · Final report · Aug 28, 1988 · N4838C · Substantial damage > The pilot-in-command stated the airplane struck a depression in the runway upon landing at Joseph, Alaska. Examination of the left main gear showed that a bracket, part number 0713495-61 failed due to overload, and allowed the landing gear to separate from… - [NTSB MIA88LA258](https://openairdocs.org/ntsb/MIA88LA258.md): Air Tractor AT-301A · Shelby, MS · Accident · No injuries · Limited investigation · Final report · Aug 19, 1988 · N73089 · Substantial damage > While on an aerial application flt during the ground roll to takeoff, the forwardmost of two main gear clamp block bolts of the rt main landing gear failed. The gear trailed aft. The inboard main gear large bolt failed. The acft travelled off the rwy into a… - [NTSB DEN88LA188](https://openairdocs.org/ntsb/DEN88LA188.md): Cessna T210F · Ennis, MT · Accident · No injuries · Limited investigation · Final report · Aug 19, 1988 · N6132R · Substantial damage > While on a landing rollout, the left main gear strut failed & separated from the acft. The plt said he held the acft straight for about 600 ft, then it veered to the left & went off the rwy. Subsequently, the left wing & left horizontal stabilizer were… - [NTSB DEN88LA175](https://openairdocs.org/ntsb/DEN88LA175.md): Braswell Scirroco MJ5-K2 · Hurricane, UT · Accident · No injuries · Limited investigation · Final report · Aug 4, 1988 · N6XY · Substantial damage > The plt said he made a short flt to check out a mag. The eng performed satisfactorily and he landed. Upon touchdown one of the main landing gear collapsed and the tailwheel equipped acft ground looped. The plt said a gear downlock failed. The FAA… - [NTSB ATL88LA223](https://openairdocs.org/ntsb/ATL88LA223.md): Piper PA-34-200T · Laurens, SC · Accident · No injuries · Limited investigation · Final report · Aug 1, 1988 · N8191J · Substantial damage > The plt rprtd that when he landed, everything seemed normal until he was lowering the nose to the rwy drg the landing roll. At that time, the left wing began to settle. At first, he thought the left tire was going flat, but the settling continued.… - [NTSB MIA88LA235](https://openairdocs.org/ntsb/MIA88LA235.md): Cessna 172M · Plymouth, FL · Accident · No injuries · Limited investigation · Final report · Jul 23, 1988 · N12840 · Substantial damage > After a normal lndg, during the lndg roll at aprx 50-55 mph, the acft rolled through a 1-2' deep puddle of water. The acft slowed & at aprx 35 mph, the rt main lndg gear slowly began rotating aft. The acft came to rest supported by the rt horizontal… - [NTSB MIA88IA230](https://openairdocs.org/ntsb/MIA88IA230.md): Piper PA-34-200T · Tampa, FL · Incident · No injuries · Incident investigation · Final report · Jul 21, 1988 · N47506 · Minor damage > Shortly after depg, the plt elected to rtrn to the arpt for paperwork he had forgotten. He rprtd the apch & touchdown were normal, but drg the lndg roll, the left main gear collapsed. Subsequently, the acft veered off the rwy & hit a rwy lgt before stopping.… - [NTSB MKC88LA112](https://openairdocs.org/ntsb/MKC88LA112.md): Beech D18S · St. Louis, MO · Accident · No injuries · Limited investigation · Final report · Jun 18, 1988 · N4234A · Substantial damage > Arriving at his destination airport after a night 14 CFR 135 air taxi cargo flight, the main landing gear collapsed during roll-out causing substantial damage to the aircraft. Post accident investigation revealed a broken landing gear drag link, which caused… - [NTSB MIA88LA189](https://openairdocs.org/ntsb/MIA88LA189.md): Cessna 402B · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Jun 13, 1988 · N7628Q · Substantial damage > The right main gear collapsed on touchdown. An exam of the gear revealed that a fork bolt had been improperly adjusted. The facility that performed the last maintenance denied adjusting the bolt. - [NTSB ATL88LA193](https://openairdocs.org/ntsb/ATL88LA193.md): Cessna 195A · Port Clinton, OH · Accident · No injuries · Limited investigation · Final report · Jun 12, 1988 · N1527D · Substantial damage > During touchdown, the pilot noted a vibration and the airplane veered to the left. He attempted to correct by applying right brake and rudder, but the airplane continued off the left side of the runway into the grass. The right landing gear strut failed at… - [NTSB MIA88LA165](https://openairdocs.org/ntsb/MIA88LA165.md): Rockwell 500-S · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · May 8, 1988 · N57222 · Substantial damage > The plt stated that he had just brought the acft to a stop & had shut down both engs. At that time, the lt. gear collapsed. Maintenance crew found that one of the actuating cyls was out of adjustment & the bungee cords were weak. The gear assy itself appeared… - [NTSB ANC88LA054](https://openairdocs.org/ntsb/ANC88LA054.md): Cessna 185F · Hunter Creek, AK · Accident · Minor injuries · Limited investigation · Final report · May 6, 1988 · N22901 · Substantial damage > After landing at a mining camp airstrip, the right landing gear failed causing the aircraft to ground loop. Examination of the broken gear part revealed the original fracture to be a fatigue fracture. The initial crack in the gear leg ran parallel to the gear… - [NTSB LAX88DUG03](https://openairdocs.org/ntsb/LAX88DUG03.md): Stolp-Starduster Too SA-300-A · Chino, CA · Accident · No injuries · Final report · May 5, 1988 · N1300S · Substantial damage > During the ground run for take off, the left main gear strut broke. The main landing gear collapsed resulting in substantial damage. The reason for the strut failure was undetermined. - [NTSB ATL88LA164](https://openairdocs.org/ntsb/ATL88LA164.md): Piper PA-31-325 · Wilkesboro, NC · Accident · No injuries · Limited investigation · Final report · May 3, 1988 · N34GK · Substantial damage > After a normal approach and landing, the left main gear slowly collapsed during the roll out. The aircraft veered to the left, struck a sign off the runway edge and collided with a ditch. The left main gear was found unlocked during postaccident… - [NTSB CHI88IA096](https://openairdocs.org/ntsb/CHI88IA096.md): Swearingen SA-227AC · Fort Wayne, IN · Incident · No injuries · Incident investigation · Final report · Apr 8, 1988 · N448CA · Minor damage > Inadequate design of the strut for the intended service conditions in commuter air carrier operations. - [NTSB LAX88LA122](https://openairdocs.org/ntsb/LAX88LA122.md): Piper PA-34-200T · Lower Lake, CA · Accident · No injuries · Limited investigation · Final report · Mar 11, 1988 · N1555X · Substantial damage > Drg the lndg roll, the left main lndg gear collapsed & the acft veered off the rwy, further damaging the aircraft. An investigation revealed the left main landing gear trunnion had failed. It had failed diagonally aprx 5 inches from the bottom of the trunnion… - [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 DEN88LA039](https://openairdocs.org/ntsb/DEN88LA039.md): Piper PA-38-112 · Las Cruces, NM · Accident · No injuries · Limited investigation · Final report · Dec 19, 1987 · N23497 · Substantial damage > While practicing crosswind landings the instructor stated that the student touched down normally with aprx 5 knot crosswind. Upon touch down, the right main landing gear separated from the acft causing substantial damage. There were no injuries and no fire.… - [NTSB MIA88LA064](https://openairdocs.org/ntsb/MIA88LA064.md): Beech 95-C55 · Marathon, FL · Accident · No injuries · Limited investigation · Final report · Dec 15, 1987 · N707CC · Substantial damage > While on a personal flt after the plt lowered the landing gear for landing, the left main landing gear did not extend. The plt continued the apch, & after touchdown, the acft veered off the rwy, collided with trees, then came to rest. According to FAA… - [NTSB CHI88LA032](https://openairdocs.org/ntsb/CHI88LA032.md): Cessna 180 · Carlton, MN · Accident · No injuries · Limited investigation · Final report · Dec 5, 1987 · N2957C · Substantial damage > The plt rprtd that the left main gear collapsed as he started to taxi from the ramp area on a smooth grass surface. When the gear collapsed, the left wing dropped to the ground & was substantially dmgd. The plt rprtd the left gear leg had broken off 2 inches… - [NTSB NYC88LA039](https://openairdocs.org/ntsb/NYC88LA039.md): Waco ZKC-5 · No. Canaan, CT · Accident · No injuries · Limited investigation · Final report · Nov 23, 1987 · N14164 · Substantial damage > The aircraft touched down in a 3-point landing attitude at north Canaan, Connecticut. The left landing gear wheel rotated 90 degrees and the left gear was dragged 144 yards before the aircraft became inverted. It was revealed that the braze joint at the top… - [NTSB ANC88IA013](https://openairdocs.org/ntsb/ANC88IA013.md): Cessna 402B · Cordova, AK · Incident · No injuries · Incident investigation · Final report · Oct 26, 1987 · N5718M · Minor damage > The company maintenance personnel were aware of a shimmy problem but they thought is was only worn bushings. The maintenance people stated they inspected the part but found no problem. The pilot-in-command also stated he found no problem upon visually… - [NTSB SEA87LA197](https://openairdocs.org/ntsb/SEA87LA197.md): Beech A100 · Gold Beach, OR · Accident · No injuries · Limited investigation · Final report · Sep 30, 1987 · N32RL · Destroyed > Shortly after the aircraft touched down on the runway, the right main gear collapsed. Despite the pilot's attempts to correct the situation with left rudder and braking, the aircraft veered to the right of the runway and collided with a building. Shortly… - [NTSB FTW87LA200](https://openairdocs.org/ntsb/FTW87LA200.md): Piper PA-23-250 · Mc Allen, TX · Accident · No injuries · Limited investigation · Final report · Aug 16, 1987 · N5437Y · Substantial damage > The right main landing gear collapsed for unknown reasons as the aircraft was taxiing for takeoff. The pilot has not responded to requests to complete an accident report form. According to airman records, the pilot did not have a multiengine rating. - [NTSB FTW87LA193](https://openairdocs.org/ntsb/FTW87LA193.md): Piper PA-24-250 · Midland, TX · Accident · No injuries · Limited investigation · Final report · Aug 10, 1987 · N7150P · Substantial damage > The right main landing gear collapsed during the landing roll resulting in the loss of directional control. The acft sustained substantial damage to the right wing assembly and the right main landing gear assembly. The acft was being moved to Midland airpark… - [NTSB MIA87IA192](https://openairdocs.org/ntsb/MIA87IA192.md): Cessna 310J · Sarasota, FL · Incident · No injuries · Incident investigation · Final report · Jun 29, 1987 · N3120L · Minor damage > During the landing roll the rt main landing gear collapsed after which the acft slid off the rwy, collided with a taxiway light & came to rest. Insp of the rt main landing gear revealed that the downlock spring failed which prevented the gear from fully… - [NTSB LAX87LA254](https://openairdocs.org/ntsb/LAX87LA254.md): Beech C90 · Lakeport, CA · Accident · No injuries · Limited investigation · Final report · Jun 29, 1987 · N2030W · Substantial damage > The pilot indicated that the left main gear collapsed during landing rollout. The pilot did not respond to the following questions, when asked during a telephone interview, 'when was the gear placed down? And what did the gear safe indicator lights indicate… - [NTSB NYC87IA167](https://openairdocs.org/ntsb/NYC87IA167.md): Nihon YS-11 · Hyannis, MA · Incident · No injuries · Incident investigation · Final report · Jun 6, 1987 · N187P · Minor damage > The YS-11 was landing with a right crosswind. The pilot said he touched down on the right main landing gear first and upon touchdown, the right main landing gear collapsed. The aircraft stayed on the runway and received minor damage. The cockpit crew of 2, 2… - [NTSB MIA87LA169](https://openairdocs.org/ntsb/MIA87LA169.md): Cessna 421B · Miami, FL · Accident · No injuries · Limited investigation · Final report · Jun 3, 1987 · N137JR · Substantial damage > During the landing roll the lt main landing gear collapsed. The acft then slid to a stop. Insp of the lt landing gear revealed that the upper & lower torque links which maintains parallel alignment of the tire to the fuselage separated. This occurred as a… - [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. - [NTSB SEA87LA103](https://openairdocs.org/ntsb/SEA87LA103.md): Ayres S2R · Walla Walla, WA · Accident · No injuries · Limited investigation · Final report · May 29, 1987 · N3693X · Substantial damage > During takeoff run the right main gear collapsed. The right wing dropped and the aircraft spun to the right. The plt discovered that the right main gear failed at the weld. The pilot, who is also an a & p mechanic, stated that this was an original weld from… - [NTSB LAX87DVG03](https://openairdocs.org/ntsb/LAX87DVG03.md): Grumman G-164B · Marysville, CA · Accident · No injuries · Final report · Apr 18, 1987 · N8412K · Substantial damage > At the end of an aerial application flt, the plt was aware of a cross wind from the right. The plt touched the acft down on the right main landing gear and held that attitude for aprx 300 ft down the rwy. When the left main gear contacted the rwy it folded… - [NTSB MIA87IA131](https://openairdocs.org/ntsb/MIA87IA131.md): Cessna 310Q · Ft.Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Apr 7, 1987 · N7665Q · Minor damage > During the landing roll the right main gear collapsed. Inspection of the acft by FAA personnel revealed that this was caused by a twisted torque tube which failed to fully extend the gear. - [NTSB ATL87LA105](https://openairdocs.org/ntsb/ATL87LA105.md): Air & Space 18A · Paducah, KY · Accident · Serious injuries · Limited investigation · Final report · Apr 5, 1987 · N6141S · Substantial damage > The plt reported that he spun the rotor up to 350 RPM in preparation for a maximum performance takeoff. During takeoff roll, the gyroplane experienced ground resonance. The plt reduced the throttle to idle, but the oscillations continued and the rt main ldg… - [NTSB MIA87LA121](https://openairdocs.org/ntsb/MIA87LA121.md): Cessna 310L · Venice, FL · Accident · No injuries · Limited investigation · Final report · Mar 28, 1987 · N3304X · Substantial damage > The left main landing gear collapsed during the landing roll after the plt inadvertently retracted the landing gear instead of the flaps. The pilot left the scene of the accident and his identity is unknown. - [NTSB CHI87LA089](https://openairdocs.org/ntsb/CHI87LA089.md): Cessna 182F · Pontiac, MI · Accident · No injuries · Limited investigation · Final report · Feb 21, 1987 · N3513U · Substantial damage > While the acft was being taxied to a hangar after landing, the left main gear collapsed. An investigation revealed the left main landing gear spring strut, pn 0741601-1, had failed where it was clamped to the fuselage. A metallurgical exam of the fracture… Next page: https://openairdocs.org/ntsb.md?occurrence=191&page=6 ## 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 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&page=5 --- 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.