# NTSB investigations: 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 6 of 6 · 285 cases ## Cases, newest first - [NTSB LAX85LA167](https://openairdocs.org/ntsb/LAX85LA167.md): Cessna T210N · Santa Barbara, CA · Accident · No injuries · Limited investigation · Final report · Mar 5, 1985 · N6220C · Substantial damage > During arrival at Santa Barbara, the plt was unable to extend the ldg gear. Efforts at gear extension using the emergency hand pump failed & the plt landed with the acft's gear partially extended. An exam of the acft revealed an electrical problem of… - [NTSB CHI85LA105](https://openairdocs.org/ntsb/CHI85LA105.md): Cessna 172RG · Lawrenceville, IL · Accident · No injuries · Limited investigation · Final report · Feb 9, 1985 · N6464R · Substantial damage > The private plt & his instructor were practicing instrument approaches. The instructor stated that the fuel gages were reading low & the VOR needle was oscillating, so they decided to make a straight-in landing. He stated that they lowered the gear & flaps,… - [NTSB FTW85LA101](https://openairdocs.org/ntsb/FTW85LA101.md): Swearingen SA26-T · Dallas, TX · Accident · No injuries · Limited investigation · Final report · Jan 25, 1985 · N600P · Substantial damage > The landing gear retracted during the takeoff roll & the acft dropped to the rwy surface & slid to a stop. No obvious reason for the unwanted retraction was noted by FAA maintenance personnel who did a post accident exam of the acft. The gear selector handle… - [NTSB MKC85FA032](https://openairdocs.org/ntsb/MKC85FA032.md): Swearingen SA226TC · Harrison, AR · Accident · No injuries · Field investigation · Final report · Dec 7, 1984 · N511SS · Substantial damage > The acft was being operated as skyways flt 488. The first officer was flying the acft. The acft touched down on the rwy aprx 1584 feet from the approach end and after a short roll, the landing gear warning horn sounded and the left wing settled to the ground.… - [NTSB MIA85LA017](https://openairdocs.org/ntsb/MIA85LA017.md): Piper PA-23-250 · Williston, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 23, 1984 · N24UE · Destroyed > The left seat pilot stated that he was doing touch and go landings on runway 04. He continued to state that on the last landing he touched down on the runway, then added full power and retracted the flaps, but inadvertantly retracted the landing gear. The… - [NTSB LAX84LA430](https://openairdocs.org/ntsb/LAX84LA430.md): Beech A36 · Van Nuys, CA · Accident · No injuries · Limited investigation · Final report · Aug 4, 1984 · N2859W · Substantial damage > The acft landed 'gear up' during practice takeoffs and landings. The plt stated that he 'forgot' to extend the landing gear prior to landing. The tower had given him instructions to 'make a short approach.' No mechanical problems were reported. - [NTSB SEA84LA189](https://openairdocs.org/ntsb/SEA84LA189.md): Mooney M20E · Scappoose, OR · Accident · No injuries · Limited investigation · Final report · Jul 29, 1984 · N5566Q · Substantial damage > Plt lowered gear in traffic pattern and gear down and locked green light was received. Plt failed to check the gear bar indicator. Acft touched down with gear extended 1/4 of the way. Inspection revealed landing gear motor bearingswere worn out. - [NTSB CHI84IA224](https://openairdocs.org/ntsb/CHI84IA224.md): Beech 99 · Chicago, IL · Incident · Minor injuries · Incident investigation · Final report · Jun 9, 1984 · N320BA · Minor damage > Landing gear extended but not locked. Crew could not rectify situation by using normal and emergency gear extension procedures. Gear collapsed on touchdown. Investigation disclosed a fatigue crack in rt main gear hydraulic actuator allowing a loss of… - [NTSB MIA84IA177](https://openairdocs.org/ntsb/MIA84IA177.md): Grumman G-111 · West Palm Beach, FL · Incident · No injuries · Incident investigation · Final report · Jun 3, 1984 · N112FB · Minor damage > After a repositioning flt, the main gear collapsed. An exam of the hand pump selector control valve revealed that one of the two dump ports for thr flap position had a hydraulic leak. Reportedly, this allowed system pressure to retract the gear. The valve,… - [NTSB MKC84LA137](https://openairdocs.org/ntsb/MKC84LA137.md): Beech BE95A55 · Springfield, MO · Accident · No injuries · Limited investigation · Final report · May 13, 1984 · N323E · Substantial damage > The acft landing gear collapsed during landing. The plt said he was following a metroliner & put the gear handle 'down' but does not remember the gear indicators. He reduced the throttles to about 11 inches of manifold pressure & does not remember hearing a… - [NTSB MIA84LA131](https://openairdocs.org/ntsb/MIA84LA131.md): Piper PA-23-250 · Titusville, FL · Accident · No injuries · Limited investigation · Final report · Apr 7, 1984 · N6890Y · Substantial damage > The plt could not get the left main gear extended for landing and then could not get the right main and nose gear to retract for a'belly'landing. The acft was landed on the sod beside the rwy with the left main retracted. The nose gear collapsed during the… - [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. - [NTSB MIA84LA087](https://openairdocs.org/ntsb/MIA84LA087.md): Beech B-58 · Tallahassee, FL · Accident · No injuries · Limited investigation · Final report · Feb 18, 1984 · N21BR · Substantial damage > The acft landed with the right main gear & nose gear stuck in the retracted position, with the left main gear stuck in the extended position. Investigation revealed that the landing gear actuating rod had failed. - [NTSB LAX84LA159](https://openairdocs.org/ntsb/LAX84LA159.md): Beech D55 · Monterey, CA · Accident · No injuries · Limited investigation · Final report · Jan 24, 1984 · N873LB · Substantial damage > According to the plt, he extended the gear & flaps before landing, & on final apch, he rechecked that the gear was down & the green gear down & locked light was illuminated. He & both passengers reported that the acft touched down on the wheels, then it… - [NTSB CHI84FA076](https://openairdocs.org/ntsb/CHI84FA076.md): Beech BE-99 · Galesburg, IL · Accident · No injuries · Field investigation · Final report · Jan 3, 1984 · N317VA · Substantial damage > The main gear retracted while the acft was being taxied to the taxioff position. Investigation revealed that a landing gear maintenance valve PN22400-1, SN19 manufactured by airright inc had corroded and was allowing stray voltage to cyclethe landing gear… - [NTSB ATL84LA011](https://openairdocs.org/ntsb/ATL84LA011.md): Beech 58 · Montgomery, AL · Accident · No injuries · Limited investigation · Final report · Oct 5, 1983 · N218RC · Substantial damage > During an apch to land, the plt lowered the gear handle, but observed that the nose gear light did not come on & the right main gear light was flickering. Consequently, he recycled the gear operation. After that, he reportedly saw all 3 indicating down &… - [NTSB LAX83LA440](https://openairdocs.org/ntsb/LAX83LA440.md): Beech A36 · Redding, CA · Accident · No injuries · Limited investigation · Final report · Sep 15, 1983 · N67414 · Substantial damage > Reportedly, during the landing roll, the acft settled while the gear was in transit. At that time, the flaps were in the down position & were damaged. According to the plt, the gear lights were green. Later, he said that something may have gone wrong with the… - [NTSB MKC83LA183](https://openairdocs.org/ntsb/MKC83LA183.md): Beech M35 · Sioux City, IA · Accident · No injuries · Limited investigation · Final report · Aug 8, 1983 · N555M · Substantial damage > The plt stated that the landing gear switch was down when he started tha takeoff roll. When the acft had accelerated to aprx 50 mph during the takeoff roll, the landing gear retracted/collapsed, nose wheel first, followed by the main gear. The plt stated that… - [NTSB ATL83IA302](https://openairdocs.org/ntsb/ATL83IA302.md): Mooney M20C · St.Simonsisland, GA · Incident · No injuries · Incident investigation · Final report · Jul 28, 1983 · N9244V · Minor damage > Acft had neither a green light nor mechanical indication of safe gear confirmed by the tower. All landing gear collapsedon touchdown. The motor to actuator coupling which is common to both electric & manual landing gear systems failed. - [NTSB ATL83FA282](https://openairdocs.org/ntsb/ATL83FA282.md): Piper PA-34-22OT · Atlanta, GA · Accident · No injuries · Field investigation · Final report · Jul 17, 1983 · N8387X · Substantial damage > The acft was on a takeoff roll when the left main and nose gear retracted. Investigation revealed a flt switch for the hobbs meter had been installed to automatically record only flt time when the switch was in the flt position. In this postion the hobbs… - [NTSB MKC83IA152](https://openairdocs.org/ntsb/MKC83IA152.md): Beech E18S · Cedar Rapids, IA · Incident · No injuries · Incident investigation · Final report · Jul 11, 1983 · N5600D · Minor damage > The tailwheel failed to extend fully due to a lack of lubrication. The acft was landed normally and the tailwheel collapsed. - [NTSB ATL83FA189](https://openairdocs.org/ntsb/ATL83FA189.md): Piper PA-30 · Atlanta, GA · Accident · No injuries · Field investigation · Final report · May 17, 1983 · N8450Y · Substantial damage > According to the plt, he extended the gear, got a safe gear down indication & made an approach with the flaps retracted. The gear warning was not heard. The plt stated that after the acft rolled about 1500 ft after touchdown, and with all 3 gear on the… - [NTSB FTW83LA237](https://openairdocs.org/ntsb/FTW83LA237.md): Beech 58 · Georgetown, TX · Accident · No injuries · Limited investigation · Final report · May 12, 1983 · N4274A · Substantial damage > The plt stated that during the landing, the initial touchdown on the main gear was normal. However, when the nose gear came in contact with the rwy, there was a brief hesitation, then the nose settled & the propellers struck the rwy. The plt applied back… - [NTSB MKC83LA080](https://openairdocs.org/ntsb/MKC83LA080.md): Mooney M20F · Springfield, MO · Accident · No injuries · Limited investigation · Final report · Mar 22, 1983 · N3386X · Substantial damage > The aircraft sustained damage when the left main and nose gears collapsed while the pilot was taxiing in from landing. The aircraft landed on runway 31 and had begun a right turn onto a taxiway when the nose gear and then the left main gear retracted. The… - [NTSB ANC83IA058](https://openairdocs.org/ntsb/ANC83IA058.md): Piper PA34-200T · Palmer, AK · Incident · No injuries · Incident investigation · Final report · Mar 19, 1983 · N47895 · Minor damage > During touch go landing the student pilot placed the landinggear handle in the up polition while still on the ground, and immediately placed it in the down position. The gear collapsed. The instructor stated that the student appeared to be fatigued. - [NTSB ATL83LA098](https://openairdocs.org/ntsb/ATL83LA098.md): Piper PA-30 · Charleston, SC · Accident · No injuries · Limited investigation · Final report · Feb 6, 1983 · N1810M · Substantial damage > The plt stated that the landing gear collapsed after acft had rolled aprx 1200 ft during the landing. An exam of the acft revealed that the gear retraction transmission was torn out of its fuselage bulkhead mount, the landing gear push-pull cable rod ends… - [NTSB CHI83LA088](https://openairdocs.org/ntsb/CHI83LA088.md): Beech 95-C55 · St. Jacob, IL · Accident · No injuries · Limited investigation · Final report · Jan 20, 1983 · N5712V · Substantial damage > The pilot reported that during the landing roll, he inadvertently retracted the gear. - [NTSB LAX82DA342](https://openairdocs.org/ntsb/LAX82DA342.md): Beech F33A · San Jose, CA · Accident · No injuries · Final report · Sep 13, 1982 · N2306M · Substantial damage > The pilot stated that while making a right turn onto a taxiway after a landing rollout, the nose gear and right main landing gear collapsed. The investigation revealed that the pilot was accustomed to flying a different model Beech aircraft in which the flap… - [NTSB FTW82DA373](https://openairdocs.org/ntsb/FTW82DA373.md): Cessna 310R · Tomball, TX · Accident · No injuries · Final report · Sep 10, 1982 · N3980A · Substantial damage > The right main landing gear collapsed on landing roll. The aircraft departed the runway and crossed a drainage ditch sustaining substantial damage to the fuselage. Inspection of the landing gear revealed the bolt that connects the retraction drag link, pn… - [NTSB ATL82DA250](https://openairdocs.org/ntsb/ATL82DA250.md): Cessna 310C · Brunswick, GA · Accident · No injuries · Final report · Aug 29, 1982 · N1737H · Substantial damage > The pilot experienced an electrical failure inflight after takeoff. He hand-cranked the landing gear to the down and locked position prior to landing. After rolling approximately 200 feet, he left main gear collapsed. Examination of the landing gear revealed… - [NTSB NYC82DA111](https://openairdocs.org/ntsb/NYC82DA111.md): Piper PA-24-250 · Bridgeville, PA · Accident · No injuries · Final report · May 31, 1982 · N6159P · Substantial damage > The pilot landed the aircraft wheels up. The pilot stated the sun was in his eyes which prevented him from seeing the gear lights. He also stated the warning horn did not sound. Examination revealed no abnormalities in the gear system operation. - [NTSB FTW82DA232](https://openairdocs.org/ntsb/FTW82DA232.md): Beech 58 · Oak Grove, LA · Accident · No injuries · Final report · May 26, 1982 · N4963M · Substantial damage > The pilot reported that during his landing roll, he intended to retract the flaps, but inadvertently rectracted the landing gear instead. - [NTSB CHI82DA166](https://openairdocs.org/ntsb/CHI82DA166.md): Cessna 210 · Galesburg, IL · Accident · No injuries · Final report · May 14, 1982 · N210DK · Substantial damage > The pilot was discussing short field landing techniques and the use of flaps with the student pilot/passenger and forgot to lower the landing gear. The wheels up landing resulted in substantial damage to the aircraft. - [NTSB FTW82DA151](https://openairdocs.org/ntsb/FTW82DA151.md): Piper PA-23-250T · Lake Dallas, TX · Accident · No injuries · Final report · Apr 27, 1982 · N42050 · Substantial damage > The pilot stated the landing gear indicated down and locked and the touchdown was normal. During the landing roll the gear retracted. During the slide down the runway the left engine caught on fire causing substantial damage to the aircraft. Examination by a… - [NTSB MIA82DA083](https://openairdocs.org/ntsb/MIA82DA083.md): Piper PA-30 · Placida, FL · Accident · No injuries · Final report · Mar 24, 1982 · N8043Y · Substantial damage > The pilot stated that during the beginning of the landing roll the right main and nose landing gears collapsed. Examination revealed that the retraction torque tube arm fitting, Piper p/n 21012-03, which links the right main and nose gear to the retraction… ## 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" = 190) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=190&page=6 --- 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.