# NTSB investigations, 1986: 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 DEN87IA031](https://openairdocs.org/ntsb/DEN87IA031.md): Beech C-99 · Albuquerque, NM · Incident · No injuries · Incident investigation · Final report · Dec 18, 1986 · N7212P · Minor damage > Mesa airline flt 114 was on a scheduled flt from Albuquerque to clovis, NM. Upon touchdown at clovis, the left landing gear began to collapse and a go-around was successful. The crew elected to return to Albuquerque where emerg equipment could stand by. After… - [NTSB SEA87LA037](https://openairdocs.org/ntsb/SEA87LA037.md): Cessna T310Q · Medford, OR · Accident · No injuries · Limited investigation · Final report · Dec 17, 1986 · N7581Q · Substantial damage > During turn off from the runway to the taxiway the left main gear collapsed. The runway and taxiway were icy and wet. Examination of the landing gear indicated an overload failure. - [NTSB BFO87IA008](https://openairdocs.org/ntsb/BFO87IA008.md): Boeing 727-231 · Norfolk, VA · Incident · Minor injuries · Incident investigation · Final report · Nov 16, 1986 · N64323 · Minor damage > During the landing roll the r main gear collapsed. A flight attendant received minor injuries during evacuation of the acft. Examination of the acft disclosed that the shock strut cylinder fractured circumferentially; about 10 inches below the top of the… - [NTSB NYC87LA031](https://openairdocs.org/ntsb/NYC87LA031.md): Beech BE18H · Pittsburgh, PA · Accident · No injuries · Limited investigation · Final report · Nov 12, 1986 · N925J · Substantial damage > The aircraft suffered a right landing gear leg breakage due to a fracture in the area where the fork assembly separated during landing roll. - [NTSB MIA87IA011](https://openairdocs.org/ntsb/MIA87IA011.md): Cessna 310R · West Palm Beach, FL · Incident · No injuries · Incident investigation · Final report · Oct 18, 1986 · N2638N · Minor damage > While on an on-demand air-taxi flight the pilot noted that at touchdown the rt main gear was collapsing. He executed a go-around and attempted to lower the gear manually, but could not. The pilot then shut down the right engine and feathered the right… - [NTSB SEA87LA010](https://openairdocs.org/ntsb/SEA87LA010.md): Britten-Norman BN-2A-20 · Lower Loon, ID · Accident · No injuries · Limited investigation · Final report · Oct 10, 1986 · N25SA · Substantial damage > The plt diverted from his original destination due to weather. Upon landing at the alternate airport wiht a 7 knot tail wind, while using heavy braking on wet sod, the brakes locked. The acft veered to the right of the center placing the right main gear on… - [NTSB ANC87IA011](https://openairdocs.org/ntsb/ANC87IA011.md): Cessna 402C · Kivalina, AK · Incident · No injuries · Incident investigation · Final report · Oct 8, 1986 · N1233T · Minor damage > The roll pin and safety wire which retain the main landing gear forward trunnion pin were broken and the forward trunnion pin on the right main landing gear was found 'backed out', thereby releasing the right main landing gear trunnion. - [NTSB FTW86LA174](https://openairdocs.org/ntsb/FTW86LA174.md): Beech TC-45J · Laredo, TX · Accident · No injuries · Limited investigation · Final report · Sep 30, 1986 · N706M · Substantial damage > Just after the plt began the takeoff roll, the right main landing gear collapsed. An exam revealed that overload failure of the right main landing gear trunion tube had occurred. There was evidence that the overload resulted from either a previous hard… - [NTSB DEN86FA256](https://openairdocs.org/ntsb/DEN86FA256.md): Cessna 185C · Broomfield, CO · Accident · Serious injuries · Field investigation · Final report · Sep 21, 1986 · N2674Z · Substantial damage > Plt stated that he made an 'extra smooth landing' on rwy 11L and during the landing roll the right main landing gear collapsed. Examination of landing gear mounting bolt revealed evidence of an overload failure. The engineer that examined the bolt, nut, and… - [NTSB CHI86LA222](https://openairdocs.org/ntsb/CHI86LA222.md): Cessna 310G · Ypsilanti, MI · Accident · No injuries · Limited investigation · Final report · Sep 14, 1986 · N8996Z · Substantial damage > The left main gear collapsed and the acft veered off the left side of the runway during the landing roll at an groundspeed of aprx 30 KTS. Inspection of the landing gear disclosed a bent push pull tube. - [NTSB FTW86LA158](https://openairdocs.org/ntsb/FTW86LA158.md): Boeing A75N1 · Addison, TX · Accident · No injuries · Limited investigation · Final report · Aug 29, 1986 · N7711J · Substantial damage > During the landing roll, the right main landing gear collapsed & separated from the fuselage. An exam revealed the right main gear had failed due to fatigue. The acft had a total airframe time of 1481 hrs. - [NTSB CHI86LA201](https://openairdocs.org/ntsb/CHI86LA201.md): Piper PA-34-200T · Wheeling, IL · Accident · No injuries · Limited investigation · Final report · Aug 9, 1986 · N6120J · Substantial damage > Plt reported that upon landing, gear was down and locked and after landing right wheel buckled. Investigation revealed break resulted from hard side load. - [NTSB MIA86IA211](https://openairdocs.org/ntsb/MIA86IA211.md): Beech D18S · Ft. Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Jul 17, 1986 · N76Q · Minor damage > Flight experienced collapse of the right main landing gear during landing roll when the bolt which attaches the upper end of the drag leg failed in fatigue. Company maintenance personnel did not remove this bolt regularly for inspection. Beech aircraft… - [NTSB CHI86LA175](https://openairdocs.org/ntsb/CHI86LA175.md): Piper PA-28R-201 · Chicago, IL · Accident · No injuries · Limited investigation · Final report · Jul 14, 1986 · N31588 · Substantial damage > The pilot was unable to get a down and locked indication for the left main gear and upon touchdown the left gear collapsed. Inspection revealed an internal failure of the left main actuator. The fluid had leaked past the o-rings and prevented the gear from… - [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 MIA86LA134](https://openairdocs.org/ntsb/MIA86LA134.md): Cessna 310L · Opa Locka, FL · Accident · No injuries · Limited investigation · Final report · Apr 26, 1986 · N216Y · Substantial damage > The right main landing gear collapsed on the landing rollout, after which the acft slid off the right side of the rwy & came to rest on the grass. Post crash examination of the landing gear retract system revealed that the right main gear retract push pull… - [NTSB MKC86LA089](https://openairdocs.org/ntsb/MKC86LA089.md): Aerotek Pitts S-2A · Springfield, MO · Accident · No injuries · Limited investigation · Final report · Apr 12, 1986 · N51WJ · Substantial damage > The plt stated that after landing on rwy 28 the left gear folded while taxiing. The acft then fell onto its left wing. The plt reported the gear collapsed without warning. Examination of the gear support found a joint which was cold welded had failed. - [NTSB CHI86FA119](https://openairdocs.org/ntsb/CHI86FA119.md): Boeing 737-222 · Chicago, IL · Accident · Minor injuries · Field investigation · Final report · Apr 8, 1986 · N9054U · Substantial damage > The left main landing gear collapsed moments after touchdown. Winds as reported by the twr were from 350 degs at 19 KTS gusting to 29 KTS. The captain and copilot reported the touchdown was normal. The 3 flight attendants said the aircraft landed hard and… - [NTSB MKC86LA075](https://openairdocs.org/ntsb/MKC86LA075.md): Piper PA-34-200T · Salem, AR · Accident · No injuries · Limited investigation · Final report · Mar 26, 1986 · N2889M · Substantial damage > The acft was landing on a 2,050 by 100 ft asphalt rwy. The plt said the touchdown was not hard but not smooth. The acft traveled about 300 ft after touchdown before the r MLG collapsed. The broken parts which were removed from the landing gear assembly were… - [NTSB MKC86LA072](https://openairdocs.org/ntsb/MKC86LA072.md): Jim Elliott VP-2 · Scott City, KS · Accident · No injuries · Limited investigation · Final report · Mar 21, 1986 · N32JE · Substantial damage > The plt was making his first flt in the acft which is powered by a volkswagon, 1,834 cc eng. The acft became airborne from a hard surface rwy and climbed to about 100 ft AGL. The plt said the controls felt mushy and when he attempted to climb the airspeed… - [NTSB NYC86LA080](https://openairdocs.org/ntsb/NYC86LA080.md): Beech 95-B55 · Rochester, NY · Accident · No injuries · Limited investigation · Final report · Feb 27, 1986 · N36638 · Substantial damage > On landing roll left gear collapsed, airplane swerved left, came to a stop. Airplane substantially damaged. No fire. No injuries. - [NTSB CHI86LA085](https://openairdocs.org/ntsb/CHI86LA085.md): Cessna 401B · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · Feb 9, 1986 · N777CS · Substantial damage > While taxiing to park, the left main landing gear collapsed. Investigation revealed that the left hand gear support had torn from the wing rib to which it was bolted. On the FAA malfunction or defect report submitted by the operator, company officials stated… - [NTSB MIA86LA063](https://openairdocs.org/ntsb/MIA86LA063.md): Cessna 310J · Opa Locka, FL · Accident · No injuries · Limited investigation · Final report · Jan 23, 1986 · N12DS · Substantial damage > The pilot/owner reported that he had the left main landing gear repaired twice previously due to left gear collapses upon landing. He also stated that he had just picked up the aircraft from the mechanic performing the last repair. When upon the first landing… - [NTSB ATL86IA054](https://openairdocs.org/ntsb/ATL86IA054.md): Boeing 727-232 · Memphis, TN · Incident · No injuries · Incident investigation · Final report · Jan 9, 1986 · N403DA · Minor damage > The aircrew rprtd that when the landing gear was retracted after takeoff, the l main gear indicated unsafe & there was an unsafe door indication. They recycled the gear, but observed the same indications. The gear handle was then put in the neutral psn & the… ## 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 year(c."eventDate") = 1986 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&year=1986 --- 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.