# 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 3 of 9 · 406 cases

## Cases, newest first

- [NTSB MIA95LA016](https://openairdocs.org/ntsb/MIA95LA016.md): Cessna 402C · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Nov 1, 1994 · N5715C · Substantial damage
  > The failure of the left main landing gear upper barrel and trunion assembly due to overstress separations, resulting in the collapse of the left main landing gear on landing rollout.
- [NTSB MIA95LA012](https://openairdocs.org/ntsb/MIA95LA012.md): Cessna 210L · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Oct 28, 1994 · N732CQ · Substantial damage
  > The pilot's decision to depart an airport and continue flight with a known deficiencies in equipment. Contributing to the accident was the failure of company maintenance personnel to adjust the down lock mechanism prior to flight.
- [NTSB FTW94LA322](https://openairdocs.org/ntsb/FTW94LA322.md): Bellanca 7KCAB · Frederick, CO · Accident · No injuries · Limited investigation · Final report · Sep 28, 1994 · N53844 · Substantial damage
  > A fatigue failure of the left main landing gear axle.
- [NTSB BFO94LA156](https://openairdocs.org/ntsb/BFO94LA156.md): Cessna 195B · Ossipee, NH · Accident · No injuries · Limited investigation · Final report · Aug 27, 1994 · N9885A · Substantial damage
  > Separation of the left main landing gear due to fatigue failure.
- [NTSB MIA94IA183](https://openairdocs.org/ntsb/MIA94IA183.md): Cessna 402C · St. Petersburg, FL · Incident · No injuries · Incident investigation · Final report · Jul 24, 1994 · N318AB · Minor damage
  > Collapse of the right main landing gear during the landing roll for undetermined reasons.
- [NTSB SEA94LA172](https://openairdocs.org/ntsb/SEA94LA172.md): Pitts S1 · Heber City, UT · Accident · No injuries · Limited investigation · Final report · Jul 5, 1994 · CGPUR · Substantial damage
  > Failure of main landing gear axle hardware. Factors include collapse of main landing gear strut.
- [NTSB LAX94LA276](https://openairdocs.org/ntsb/LAX94LA276.md): Cessna 310J · Elko, NV · Accident · No injuries · Limited investigation · Final report · Jul 5, 1994 · N310BD · Substantial damage
  > the collapse of the landing gear due to a gear strut bolt shearing in two.
- [NTSB ANC94LA058](https://openairdocs.org/ntsb/ANC94LA058.md): Piper J5A · Lake George, AK · Accident · No injuries · Limited investigation · Final report · May 24, 1994 · N35395 · Substantial damage
  > The pilot's failure to maintain clearance from trees during takeoff. A factor in the accident was the bent gear leg.
- [NTSB LAX94LA105](https://openairdocs.org/ntsb/LAX94LA105.md): Rockwell AC-112 · Modesto, CA · Accident · No injuries · Limited investigation · Final report · Jan 23, 1994 · N1084J · Substantial damage
  > the worn/chafed landing gear wire which provided intermittent electrical power to the hydraulic pump.
- [NTSB NYC94LA026](https://openairdocs.org/ntsb/NYC94LA026.md): Piper PA-602P · Falls Of Rough, KY · Accident · No injuries · Limited investigation · Final report · Oct 24, 1993 · N6891M · Substantial damage
  > The pilot's inadequate visual lookout prior to entering the runway, resulting in a taxi off the runway to avoid conflict, onto soft terrain, and the subsequent collapse of the landing gear.
- [NTSB ANC94LA012](https://openairdocs.org/ntsb/ANC94LA012.md): Piper PA-18 · Haines, AK · Accident · No injuries · Limited investigation · Final report · Oct 5, 1993 · N5285J · Substantial damage
  > Fatigue failure in a weld on the right main landing gear oleo strut tubing.
- [NTSB ATL93LA164](https://openairdocs.org/ntsb/ATL93LA164.md): Cessna 210 · Smyrna, TN · Accident · No injuries · Limited investigation · Final report · Sep 28, 1993 · N9640T · Substantial damage
  > The inadequate maintenance of the taxiway.
- [NTSB ANC93LA154](https://openairdocs.org/ntsb/ANC93LA154.md): Helio H-295 · Mt. Deborah, AK · Accident · No injuries · Limited investigation · Final report · Aug 15, 1993 · N42DC · Substantial damage
  > Failure of the right main landing gear leg due to the improper major repair performed on the gear leg by some unknown maintenance person(s).
- [NTSB FTW93LA223](https://openairdocs.org/ntsb/FTW93LA223.md): Beech 35-33 · Guymon, OK · Accident · No injuries · Limited investigation · Final report · Aug 1, 1993 · N864R · Substantial damage
  > The pilot's inadequate compensation for wind conditions. Factors were windshear and gusty crosswinds.
- [NTSB LAX93LA306](https://openairdocs.org/ntsb/LAX93LA306.md): Ayres S-2R-T34 · Tulare, CA · Accident · No injuries · Limited investigation · Final report · Jul 29, 1993 · N4016B · Substantial damage
  > the failure of the main gear inner lower tube assembly due to fatigue.
- [NTSB SEA93LA159](https://openairdocs.org/ntsb/SEA93LA159.md): Bucker Flugzeugbau BU-131 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jul 23, 1993 · N1XW · Substantial damage
  > The pilot's improper use of the brakes. The gusty, crosswind was a factor.
- [NTSB ATL93LA126](https://openairdocs.org/ntsb/ATL93LA126.md): Piper PA-25-260 · Bainbridge, GA · Accident · No injuries · Limited investigation · Final report · Jul 7, 1993 · N4874Y · Substantial damage
  > The failure of the landing gear axle.
- [NTSB SEA93LA148](https://openairdocs.org/ntsb/SEA93LA148.md): Cessna 414A · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Jul 3, 1993 · N4735A · Substantial damage
  > The disengagement of the gear down-lock mechanism due to corrosion and the pilot's intentional operation of the aircraft with known deficiencies in equipment.
- [NTSB ANC93LA097](https://openairdocs.org/ntsb/ANC93LA097.md): Cessna 180 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jun 20, 1993 · N9968X · Substantial damage
  > Separation of the right main landing gear wheel.
- [NTSB SEA93LA133](https://openairdocs.org/ntsb/SEA93LA133.md): Piper PA-28-140 · Wendover, UT · Accident · No injuries · Limited investigation · Final report · Jun 19, 1993 · N7045R · Substantial damage
  > The student pilot's selection of a closed runway for landing. Factors contributing to the accident were the student pilot's anxiety and the rough landing surface.
- [NTSB ANC93LA090](https://openairdocs.org/ntsb/ANC93LA090.md): Cessna 402 · Kivalina, AK · Accident · No injuries · Limited investigation · Final report · Jun 12, 1993 · N222JA · Substantial damage
  > The failure of the pivot link for the downlock mechanism and the improper rigging of the landing gear locking mechanism by company maintenance personnel.
- [NTSB ANC93IA085](https://openairdocs.org/ntsb/ANC93IA085.md): Piper PA-31-350 · King Salmon, AK · Incident · No injuries · Incident investigation · Final report · May 26, 1993 · N3588Z · Minor damage
  > The failure of the main gear upper strut assembly due to stress corrosion.
- [NTSB ANC93LA086](https://openairdocs.org/ntsb/ANC93LA086.md): Cessna 185 · Barrow, AK · Accident · No injuries · Limited investigation · Final report · May 23, 1993 · N75LE · Substantial damage
  > The fatigue fracture of the main landing gear spring.
- [NTSB MIA93LA123](https://openairdocs.org/ntsb/MIA93LA123.md): Cessna 172RG · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · May 20, 1993 · N5338V · Substantial damage
  > The failure of the left main gear pivot assembly, resulting in the collapse of the left main landing gear during the landing rollout.
- [NTSB BFO93IA070](https://openairdocs.org/ntsb/BFO93IA070.md): Fokker F28-MK-0100 · Pittsburgh, PA · Incident · Minor injuries · Incident investigation · Final report · May 7, 1993 · N867US · Minor damage
  > The improper installation of the spacers by the mechanic and the unclear information supplied from the manufacturer and operator regarding the installation of the spacers.
- [NTSB FTW93LA144](https://openairdocs.org/ntsb/FTW93LA144.md): Grumman G-164A · Anahuac, TX · Accident · No injuries · Limited investigation · Final report · Apr 30, 1993 · N7485 · Substantial damage
  > Undetermined.
- [NTSB DEN93FA049](https://openairdocs.org/ntsb/DEN93FA049.md): Mcdonnell Douglas DC-9-82 · Denver, CO · Accident · Minor injuries · Field investigation · Final report · Apr 27, 1993 · N72822 · Substantial damage
  > A vibration in the right main landing gear, for undetermined reasons, which resulted in collapse of the right main gear. A factor was failure of the pilot in command to ensure deployment of the ground spoilers.
- [NTSB BFO93LA025](https://openairdocs.org/ntsb/BFO93LA025.md): Cessna 172RG · White Plains, NY · Accident · No injuries · Limited investigation · Final report · Feb 10, 1993 · N6433V · Substantial damage
  > The collapse of the left main landing gear for an undetermined reason.
- [NTSB MIA93LA063](https://openairdocs.org/ntsb/MIA93LA063.md): Bates Barracuda I · Bay St. Louis, MS · Accident · No injuries · Limited investigation · Final report · Feb 6, 1993 · N852DH · Destroyed
  > Undetermined due to the destruction of the airplane after the gear collapsed on landing.
- [NTSB ANC93LA032](https://openairdocs.org/ntsb/ANC93LA032.md): Cessna 180 · Elmendorf Afb, AK · Accident · No injuries · Limited investigation · Final report · Feb 6, 1993 · N3680C · Substantial damage
  > The pilot's excessive taxi speed. A factor which contributed to the accident was the snow covered surface.
- [NTSB FTW93LA049](https://openairdocs.org/ntsb/FTW93LA049.md): Bellanca 17-30 · Little Rock, AR · Accident · No injuries · Limited investigation · Final report · Dec 10, 1992 · N6682V · Substantial damage
  > The collapsing of the main landing gear as result of a worn gear locking mechanism. A factor was the crosswind.
- [NTSB CHI93LA040](https://openairdocs.org/ntsb/CHI93LA040.md): Cessna 401B · Rice Lake, WI · Accident · No injuries · Limited investigation · Final report · Nov 27, 1992 · N7989Q · Substantial damage
  > Improper rigging of the right main landing gear retract bellcrank by other 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 SEA93LA022](https://openairdocs.org/ntsb/SEA93LA022.md): Cessna 210N · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Nov 11, 1992 · N6562Y · Substantial damage
  > The pilot's premature retraction of the gear. Factors include a wet and icy runway.
- [NTSB ATL93LA011](https://openairdocs.org/ntsb/ATL93LA011.md): Cessna 172RG · Clarksville, TN · Accident · No injuries · Limited investigation · Final report · Oct 15, 1992 · N9797B · Substantial damage
  > The fracture of the section gear in the main landing gear retraction and extension mechanism.
- [NTSB MIA92LA187](https://openairdocs.org/ntsb/MIA92LA187.md): Helio HE29 · Lantana, FL · Accident · No injuries · Limited investigation · Final report · Sep 21, 1992 · N6DB · Substantial damage
  > The total failure of the landing gear tail wheel lock on landing roll out, resulting in an on ground loss of control (ground loop) and collapse of the left main landing gear.
- [NTSB MIA92LA172](https://openairdocs.org/ntsb/MIA92LA172.md): Piper PA-34-200 · Homestead, FL · Accident · No injuries · Limited investigation · Final report · Sep 2, 1992 · N975DA · Substantial damage
  > The failure of maintenance personnel to comply with a service bulletin, which allowed a cracked landing gear housing to go undetected, resulting in failure of the landing gear.
- [NTSB ATL92LA174](https://openairdocs.org/ntsb/ATL92LA174.md): Cessna 210M · Smithfield, NC · Accident · No injuries · Limited investigation · Final report · Sep 2, 1992 · N6979B · Substantial damage
  > The pilot's operation of the airplane with known electrical deficiencies which resulted in a failure of the landing gear hydraulic powerpack. The pilot also failed to follow emergency procedures for lowering the landing gear. Factors were an inoperative…
- [NTSB ATL92LA164](https://openairdocs.org/ntsb/ATL92LA164.md): Classic Waco YMF-5 · Surfside Beach, SC · Accident · Minor injuries · Limited investigation · Final report · Aug 25, 1992 · N527MN · Substantial damage
  > The failure of the main landing gear as a result of inadequate manufacturing.
- [NTSB SEA92LA185](https://openairdocs.org/ntsb/SEA92LA185.md): Schaknowski Dyke Delta JD-2 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Aug 21, 1992 · N78BS · Substantial damage
  > Fatigue of the left main landing gear axle.
- [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 ANC92LA124](https://openairdocs.org/ntsb/ANC92LA124.md): Bellanca 7ECA · Talarik Creek, AK · Accident · No injuries · Limited investigation · Final report · Aug 6, 1992 · N31297 · Substantial damage
  > The pilot selected unsuitable terrain on which operate.
- [NTSB NYC92LA094](https://openairdocs.org/ntsb/NYC92LA094.md): Cessna 310R · Cleveland, OH · Accident · No injuries · Limited investigation · Final report · Jun 2, 1992 · N225SC · Substantial damage
  > A failure of the left main gear's upper strut housing and down lock link assembly attach point.
- [NTSB LAX92LA223](https://openairdocs.org/ntsb/LAX92LA223.md): Aerospatiale TB-20 · Groveland, CA · Accident · No injuries · Limited investigation · Final report · May 25, 1992 · N2824F · Substantial damage
  > The pilot's inadvertent placement of the landing gear selector in the up position during the initial portion of the landing rollout.
- [NTSB ANC92LA078](https://openairdocs.org/ntsb/ANC92LA078.md): Cessna 185 · Kahiltna Glacie, AK · Accident · No injuries · Limited investigation · Final report · May 24, 1992 · N124KT · Substantial damage
  > The fracture of the landing gear wheel ski pivot shaft due to improper manufacture.
- [NTSB ANC92LA067](https://openairdocs.org/ntsb/ANC92LA067.md): Cessna C-A185F · Barrow, AK · Accident · No injuries · Limited investigation · Final report · May 3, 1992 · N20752 · Substantial damage
  > The improper use of the flt controls by the second pilot during landing roll. Factors relating to the mishap were the rough/uneven snow covered terrain.
- [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 ANC92LA050](https://openairdocs.org/ntsb/ANC92LA050.md): Piper PA-22-150 · Palmer, AK · Accident · No injuries · Limited investigation · Final report · Mar 22, 1992 · N5947D · Substantial damage
  > Inadequate in-flight planning/decision. Factors to the accident were: icy and snow covered runway, and delayed remedial action.
- [NTSB LAX92LA138](https://openairdocs.org/ntsb/LAX92LA138.md): Cessna 340A · Long Beach, CA · Accident · No injuries · Limited investigation · Final report · Mar 12, 1992 · N1362C · Substantial damage
  > The fatigue failure of the left main landing gear down lock bell crank pivot bolt.
- [NTSB LAX92LA139](https://openairdocs.org/ntsb/LAX92LA139.md): Cessna 210G · Livermore, CA · Accident · No injuries · Limited investigation · Final report · Mar 9, 1992 · N5885F · Substantial damage
  > The failure of the left main landing gear saddle.

Next page: https://openairdocs.org/ntsb.md?occurrence=191&page=4

## 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=3

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