# NTSB investigations: Landing gear collapse

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 13 of 13 · 649 cases

## Cases, newest first

- [NTSB WPR09LA383](https://openairdocs.org/ntsb/WPR09LA383.md): Beech 76 · Glendale, AZ · Accident · No injuries · Limited investigation · Final report · Jul 30, 2009 · N83ER · Substantial damage
  > The fatigue failure of the left main landing gear enhanced side brace assembly.
- [NTSB WPR09LA372](https://openairdocs.org/ntsb/WPR09LA372.md): Piper PA-30 · Walla Walla, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 2009 · N7504Y · Substantial damage
  > A tripped landing gear motor circuit breaker, which prevented the gear from fully locking in the down position, and subsequent collapse during landing. Contributing to the accident was the disabled landing gear warning horn.
- [NTSB CEN09CA457](https://openairdocs.org/ntsb/CEN09CA457.md): Cessna 310 · Fort Worth, TX · Accident · No injuries · Data collection · Final report · Jul 10, 2009 · N3106L · Substantial damage
  > The failure of the pivot pin in the side brace of the right main landing gear resulting in the gear collapse during taxi for undetermined reasons.
- [NTSB ANC09LA064](https://openairdocs.org/ntsb/ANC09LA064.md): Douglas DC-3C · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Jul 7, 2009 · N777YA · Substantial damage
  > A fracture of the airplane's tailwheel shock absorber linkage during taxi, resulting in the collapse of the tailwheel.
- [NTSB WPR09CA319](https://openairdocs.org/ntsb/WPR09CA319.md): Cessna LC-126C · Lincoln, CA · Accident · No injuries · Data collection · Final report · Jun 30, 2009 · N1064D · Substantial damage
  > A fatigue crack in the left main landing gear strut resulting in the collapse of the strut during the landing roll.
- [NTSB WPR09LA297](https://openairdocs.org/ntsb/WPR09LA297.md): Bellanca 17-31ATC · Roosevelt, UT · Accident · No injuries · Limited investigation · Final report · Jun 19, 2009 · N14797 · Substantial damage
  > The retraction of the left main landing gear due to the failure of the extension and retraction actuator arm attach bolt. Contributing to the accident was the failure of maintenance personnel to discover the extensive elongation of the actuator attach fitting…
- [NTSB ERA09IA338](https://openairdocs.org/ntsb/ERA09IA338.md): Bombardier CL-600-2B1 · Atlanta, GA · Incident · No injuries · Incident investigation · Final report · Jun 11, 2009 · N857AS · Minor damage
  > The failure of the left main landing gear to extend due to high levels of particulate contamination in the hydraulic fluid.
- [NTSB CEN09CA315](https://openairdocs.org/ntsb/CEN09CA315.md): Holsclaw Francis E Starduster · Ranger, TX · Accident · No injuries · Data collection · Final report · May 23, 2009 · N42WT · Substantial damage
  > The pilot's inability to maintain directional control due to the buckling of the right landing gear as a result of corrosion.
- [NTSB CEN09CA307](https://openairdocs.org/ntsb/CEN09CA307.md): Beech C35 · Englewood, CO · Accident · No injuries · Data collection · Final report · May 19, 2009 · N1945D · Substantial damage
  > The collapse of the landing gear due to the mechanic's failure to properly wire the landing gear squat switch.
- [NTSB ERA09IA267](https://openairdocs.org/ntsb/ERA09IA267.md): Cessna 402C · Nantucket, MA · Incident · No injuries · Incident investigation · Final report · Apr 27, 2009 · N769EA · Minor damage
  > Installation of an improper bearing in the landing gear actuator.
- [NTSB WPR09LA171](https://openairdocs.org/ntsb/WPR09LA171.md): Cessna 550 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Mar 29, 2009 · N44FR · Substantial damage
  > The uncommanded retraction of the right main landing gear hydraulic actuator strut for undetermined reasons.
- [NTSB CEN09CA356](https://openairdocs.org/ntsb/CEN09CA356.md): Beech A36 · Charleston, MO · Accident · No injuries · Data collection · Final report · Mar 20, 2009 · N451S · Substantial damage
  > The pilot's inadvertent use of the landing gear selector handle instead of the flap handle during landing rollout, which resulted in the collapse of the nose landing gear.
- [NTSB ERA09LA210](https://openairdocs.org/ntsb/ERA09LA210.md): Cessna 310K · Ocala, FL · Accident · No injuries · Limited investigation · Final report · Mar 18, 2009 · N6901L · Substantial damage
  > The right main landing gear collapse as a result of the pilot's improper flare during a previous landing. Contributing to the accident was the flight instructor's inadequate supervision.
- [NTSB ERA09LA209](https://openairdocs.org/ntsb/ERA09LA209.md): Piper PA-30 · Lumberton, MS · Accident · No injuries · Limited investigation · Final report · Mar 8, 2009 · N8560Y · Substantial damage
  > Collapse of the landing gear due to worn left main landing gear components.
- [NTSB ANC09CA033](https://openairdocs.org/ntsb/ANC09CA033.md): Piper PA-18-150 · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Feb 27, 2009 · N3578Z · Substantial damage
  > The pilot's selection of unsuitable terrain for landing, which resulted in the main landing gear collapsing during taxi.
- [NTSB CEN09CA119](https://openairdocs.org/ntsb/CEN09CA119.md): Piper Aerostar 6 · Middletown, OH · Accident · No injuries · Data collection · Final report · Nov 21, 2008 · N3640D · Substantial damage
  > The pilot's failure to verify that the landing gear was down and locked prior to landing.
- [NTSB ERA09LA050](https://openairdocs.org/ntsb/ERA09LA050.md): Piper PA-44-180 · Lawrenceville, GA · Accident · No injuries · Limited investigation · Final report · Nov 1, 2008 · N2214N · Substantial damage
  > The failure of the nose gear drag link bolt due to reversed bending fatigue.
- [NTSB CEN09CA045](https://openairdocs.org/ntsb/CEN09CA045.md): Hartter Lenny J Bearhawk · Mack, CO · Accident · No injuries · Data collection · Final report · Nov 1, 2008 · N3119X · Substantial damage
  > The collapse of the left main landing gear which resulted in the pilot's failure to maintain directional control.
- [NTSB ERA09CA006](https://openairdocs.org/ntsb/ERA09CA006.md): Beech F17D · Moscow, TN · Accident · No injuries · Data collection · Final report · Oct 3, 2008 · N18555 · Substantial damage
  > The mechanical failure of the landing gear actuation chain.
- [NTSB ENG08IA042](https://openairdocs.org/ntsb/ENG08IA042.md): Boeing 737 · Chicago, IL · Incident · Incident investigation · Final report · Oct 1, 2008 · N551WN · Minor damage
  > The right nose landing gear axle's failure from intergranular and fatigue cracking due to an earlier bearing failure.
- [NTSB SEA08CA211](https://openairdocs.org/ntsb/SEA08CA211.md): Cessna 180 · Bluff, UT · Accident · No injuries · Data collection · Final report · Sep 26, 2008 · N4646A · Substantial damage
  > The pilot's encounter with the rough, uneven, and eroded condition of the airstrip.
- [NTSB CHI08LA297](https://openairdocs.org/ntsb/CHI08LA297.md): Powrachute Pegasus · New London, WI · Accident · Serious injuries · Limited investigation · Final report · Sep 20, 2008 · N7084L · Minor damage
  > The pilot's loss of directional control during landing due to failure of the nose wheel support as a result of an inadequate weld.
- [NTSB NYC08CA315](https://openairdocs.org/ntsb/NYC08CA315.md): Piper PA-30 · Jefferson, GA · Accident · No injuries · Data collection · Final report · Sep 18, 2008 · N7195Y · Substantial damage
  > The pilot's failure to follow the airplane manufacturer's landing gear failure and emergency extension procedures. Contributing to the accident was a malfunction of the landing gear system for undetermined reasons.
- [NTSB MIA08LA185](https://openairdocs.org/ntsb/MIA08LA185.md): Bellanca 17-30A · Sparta, TN · Accident · No injuries · Limited investigation · Final report · Sep 6, 2008 · N9792E · Substantial damage
  > Failure of the nose landing gear mount during a normal landing due to an improper weld.
- [NTSB NYC08CA301](https://openairdocs.org/ntsb/NYC08CA301.md): Steppling RV-6A · Toughkenamon, PA · Accident · No injuries · Data collection · Final report · Sep 2, 2008 · N69RV · Substantial damage
  > The pilot's improper recovery from a bounced landing.
- [NTSB ANC08CA115](https://openairdocs.org/ntsb/ANC08CA115.md): Piper PA-22 · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Aug 31, 2008 · N3414A · Substantial damage
  > The pilot's selection of an unsuitable landing site, resulting in a main landing gear collapse during the landing roll.
- [NTSB DEN08CA144](https://openairdocs.org/ntsb/DEN08CA144.md): Piper PA-24-250 · Pine Bluff, AR · Accident · No injuries · Data collection · Final report · Aug 13, 2008 · N6265P · Destroyed
  > Landing gear collapse for reasons undetermined.
- [NTSB ANC08CA103](https://openairdocs.org/ntsb/ANC08CA103.md): Bellanca 8GCBC · Northway, AK · Accident · No injuries · Data collection · Final report · Aug 9, 2008 · N2975Q · Substantial damage
  > The pilot's inadequate evaluation of weather conditions while landing, which resulted in a hard landing. A factor contributing to the accident was a tailwind.
- [NTSB CHI08LA214](https://openairdocs.org/ntsb/CHI08LA214.md): Bolenbaugh Phillip William Rans S-6ES · Oshkosh, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 2008 · N402PB · Substantial damage
  > The pilot's improper landing flare, which resulted in a hard landing and subsequent collapse of the nose landing gear.
- [NTSB DFW08CA194](https://openairdocs.org/ntsb/DFW08CA194.md): Beech 65-A80 · Midland, TX · Accident · No injuries · Data collection · Final report · Jul 17, 2008 · N6AQ · Substantial damage
  > The failure of the landing gear retraction/extension mechanism due to it being jammed by displaced sound proofing material.
- [NTSB LAX08LA304](https://openairdocs.org/ntsb/LAX08LA304.md): Beech N35 · The Dalles, OR · Accident · No injuries · Limited investigation · Final report · Jul 10, 2008 · N931B · Substantial damage
  > A collapse of the right main landing gear for undetermined reasons.
- [NTSB CHI08CA179](https://openairdocs.org/ntsb/CHI08CA179.md): Cessna 195 · Lansing, IL · Accident · No injuries · Data collection · Final report · Jul 2, 2008 · N4408C · Substantial damage
  > The pilot's inadequate compensation for the gusting crosswind condition during landing. Contributing to the accident was the strong gusting crosswind condition.
- [NTSB LAX08CA202](https://openairdocs.org/ntsb/LAX08CA202.md): Beech F33/G · Groveland, CA · Accident · No injuries · Data collection · Final report · Jun 28, 2008 · N331HP · Substantial damage
  > The pilot's inadequate compensation for the gusty crosswind conditions and failure to maintain proper alignment at touchdown resulting in a side load on the landing gear, which caused them to collapse.
- [NTSB DFW08CA172](https://openairdocs.org/ntsb/DFW08CA172.md): Taylorcraft DCO-65 · Somerset, TX · Accident · No injuries · Data collection · Final report · Jun 28, 2008 · N87787 · Substantial damage
  > The right main landing gear strut failure due to metal fatigue.
- [NTSB SEA08LA157](https://openairdocs.org/ntsb/SEA08LA157.md): Rockwell 690B · Baker City, OR · Accident · No injuries · Limited investigation · Final report · Jun 25, 2008 · N9KG · Substantial damage
  > The landing gear collapse during the landing roll due to the fracture of the inboard hydraulic cylinder clevis pin housing boss for undetermined reasons.
- [NTSB LAX08LA184](https://openairdocs.org/ntsb/LAX08LA184.md): Mooney M20J · Evanston, WY · Accident · No injuries · Limited investigation · Final report · Jun 10, 2008 · N1234G · Substantial damage
  > A collapse of the landing gear due to improper maintenance.
- [NTSB NYC08IA206](https://openairdocs.org/ntsb/NYC08IA206.md): Cirrus SR20 · Sanford, FL · Incident · No injuries · Incident investigation · Final report · Jun 5, 2008 · N475DA · Minor damage
  > A failure of the nose landing gear strut weldment.
- [NTSB NYC08LA204](https://openairdocs.org/ntsb/NYC08LA204.md): Cessna 421C · Greenville, NC · Accident · Minor injuries · Limited investigation · Final report · Jun 2, 2008 · N49DD · Substantial damage
  > The malfunction and premature retraction of the landing gear for undetermined reasons.
- [NTSB SEA08LA117](https://openairdocs.org/ntsb/SEA08LA117.md): Rockwell 690C · Minden, NV · Accident · No injuries · Limited investigation · Final report · May 3, 2008 · N980AK · Substantial damage
  > The collapse of both main landing gear for undetermined reasons.
- [NTSB DFW08IA126](https://openairdocs.org/ntsb/DFW08IA126.md): 2007 Savage Air Epic LT · Uvalde, TX · Incident · No injuries · Incident investigation · Final report · May 1, 2008 · N603JS · Minor damage
  > The pilot's excessive speed during a turn off the active runway to the taxiway which exceeded the lateral limits of the supporting landing gear structure resulting in the collapse of the left main gear.
- [NTSB DFW08TA128](https://openairdocs.org/ntsb/DFW08TA128.md): Beech C90 · Baton Rouge, LA · Accident · No injuries · Final report · Apr 25, 2008 · N21SP · Substantial damage
  > Structural failure of the right main landing gear torque knee. A contributing factor was the failure to inspect the torque knee at the designated interval.
- [NTSB DFW08CA109](https://openairdocs.org/ntsb/DFW08CA109.md): Beech C23 · Santa Fe, NM · Accident · No injuries · Data collection · Final report · Apr 20, 2008 · N23845 · Substantial damage
  > The pilot's improper recovery from a bounced landing.
- [NTSB NYC08LA162](https://openairdocs.org/ntsb/NYC08LA162.md): Cessna 560XL · White Plains, NY · Accident · No injuries · Limited investigation · Final report · Apr 15, 2008 · N613QS · Substantial damage
  > An uncommanded landing gear retraction after touchdown for undetermined reasons.
- [NTSB DFW08CA099](https://openairdocs.org/ntsb/DFW08CA099.md): Cessna 310Q · Roswell, NM · Accident · No injuries · Data collection · Final report · Apr 11, 2008 · N7935Q · Substantial damage
  > The airframe and powerplant mechanic's incorrect reassembly of the landing gear.
- [NTSB MIA08LA066](https://openairdocs.org/ntsb/MIA08LA066.md): Cessna 210L · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Feb 27, 2008 · N5489V · Substantial damage
  > The malfunction of the right main landing gear down-and-locked switch.
- [NTSB LAX08LA060](https://openairdocs.org/ntsb/LAX08LA060.md): Cessna 305-A · Mokuleia, HI · Accident · No injuries · Limited investigation · Final report · Feb 14, 2008 · N473GF · Substantial damage
  > The failure of the left main landing gear strut due to fatigue. Contributing to the failure was the side load placed on the landing gear while making a crosswind landing.
- [NTSB SEA08LA079](https://openairdocs.org/ntsb/SEA08LA079.md): Cessna P210N · Carefree, AZ · Accident · No injuries · Limited investigation · Final report · Feb 10, 2008 · N4796K · Substantial damage
  > The collapse of the landing gear during landing rollout for undetermined reasons.
- [NTSB CHI08LA070](https://openairdocs.org/ntsb/CHI08LA070.md): Beech 58 · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Jan 23, 2008 · N4626A · Substantial damage
  > Maintenance personnel's improper replacement of the landing gear leg brace assembly which subsequently failed to keep the landing gear in the locked position.
- [NTSB SEA08LA064](https://openairdocs.org/ntsb/SEA08LA064.md): Piper PA-24-250 · Placerville, CA · Accident · No injuries · Limited investigation · Final report · Jan 12, 2008 · N7988P · Substantial damage
  > The collapse of the right main landing gear during landing for undetermined reasons.

## 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '094')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/094/cases?page=13

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