# 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 1 of 6 · 285 cases

## Latest cases

- [NTSB MIA08CA031](https://openairdocs.org/ntsb/MIA08CA031.md): Cessna 310P · Dunnellon, FL · Accident · No injuries · Data collection · Final report · Dec 19, 2007 · N5811M · Substantial damage
  > The improper installation of the right main landing gear scissors by company maintenance personnel, resulting in the collapse of the right main landing gear during takeoff.
- [NTSB SEA08LA048](https://openairdocs.org/ntsb/SEA08LA048.md): Piper PA-30 · Bridger, MT · Accident · No injuries · Limited investigation · Final report · Dec 16, 2007 · N7252Y · Substantial damage
  > The landing gear collapsed during landing for undetermined reasons.
- [NTSB SEA08LA028](https://openairdocs.org/ntsb/SEA08LA028.md): Cessna 210L · Santa Barbara, CA · Accident · No injuries · Limited investigation · Final report · Nov 16, 2007 · N987M · Substantial damage
  > The left main landing gear's down limit switch plunger being bent and stuck in the closed position, which resulted in the collapse of the landing gear during the landing roll. The reason for the down limit switch plunger being bent could not be determined.
- [NTSB CHI08LA044](https://openairdocs.org/ntsb/CHI08LA044.md): Aero Commander GA-500-B · Kansas City, MO · Accident · No injuries · Limited investigation · Final report · Nov 15, 2007 · N444CB · Substantial damage
  > The pilot delayed lowering the landing gear in the landing sequence and the main gear were not in the down and locked position upon touchdown.
- [NTSB DFW08LA030](https://openairdocs.org/ntsb/DFW08LA030.md): Gulfstream Aerospace G-IV · Sugar Land, TX · Accident · No injuries · Limited investigation · Final report · Nov 11, 2007 · N209LS · Substantial damage
  > The collapsed of the nose landing gear due to shimmy as the result of the improper installation of the nose landing gear upper torque arm pin by the flight crew during the preflight inspection of the aircraft.
- [NTSB NYC08LA009](https://openairdocs.org/ntsb/NYC08LA009.md): Cessna 170A · Roxboro, NC · Accident · No injuries · Limited investigation · Final report · Oct 7, 2007 · N9910A · Substantial damage
  > The pilot’s loss of control during landing.
- [NTSB NYC07LA248](https://openairdocs.org/ntsb/NYC07LA248.md): Tecnam P92 Echo Super · Sebring, FL · Accident · No injuries · Limited investigation · Final report · Aug 3, 2007 · N107LS · Substantial damage
  > The failure of the landing gear bolt, which resulted in the collapse of the landing gear.
- [NTSB LAX07CA230](https://openairdocs.org/ntsb/LAX07CA230.md): Beech V35B · Yellow Pine, ID · Accident · No injuries · Data collection · Final report · Jul 24, 2007 · N6056Y · Substantial damage
  > The pilot's failure to attain the proper touchdown point on landing.
- [NTSB ANC07LA066](https://openairdocs.org/ntsb/ANC07LA066.md): Beech 58 · Northway, AK · Accident · No injuries · Limited investigation · Final report · Jul 12, 2007 · N820GW · Substantial damage
  > The collapse of the landing gear during the landing roll for an undetermined reason.
- [NTSB NYC07CA156](https://openairdocs.org/ntsb/NYC07CA156.md): Piper PA-34-200 · Fort Lauderdale, FL · Accident · No injuries · Data collection · Final report · Jul 2, 2007 · N500JT · Substantial damage
  > The pilot's inadequate recovery from a bounced landing.
- [NTSB SEA07LA166](https://openairdocs.org/ntsb/SEA07LA166.md): Cessna T188C · Rock Springs, MT · Accident · No injuries · Limited investigation · Final report · Jun 10, 2007 · N2535J · Substantial damage
  > The failure of the left main landing gear due to fatigue.
- [NTSB NYC07CA139](https://openairdocs.org/ntsb/NYC07CA139.md): Cessna 170A · Smithfield, NC · Accident · No injuries · Data collection · Final report · Jun 2, 2007 · N9910A · Substantial damage
  > Collapse of the left main landing gear during landing, for undetermined reasons, which resulted in substantial damage during a runway excursion.
- [NTSB LAX07LA158](https://openairdocs.org/ntsb/LAX07LA158.md): Piper PA-24 · Eugene, OR · Accident · No injuries · Limited investigation · Final report · May 11, 2007 · N8170P · Substantial damage
  > Collapse of the landing gear during landing for undetermined reasons.
- [NTSB DFW07LA107](https://openairdocs.org/ntsb/DFW07LA107.md): Cessna 210 · Sulphur, LA · Accident · No injuries · Limited investigation · Final report · May 8, 2007 · N9461 · Substantial damage
  > The collapsed of the right main landing gear for undetermined reasons.
- [NTSB DFW07CA091](https://openairdocs.org/ntsb/DFW07CA091.md): Cessna 320C · McKinney, TX · Accident · No injuries · Data collection · Final report · Apr 13, 2007 · N3022T · Substantial damage
  > The collapsed of the right main landing gear as result of the failure of the over center down lock.
- [NTSB LAX07LA119](https://openairdocs.org/ntsb/LAX07LA119.md): Cessna 320E · Stockton, CA · Accident · No injuries · Limited investigation · Final report · Apr 1, 2007 · N3424Q · Substantial damage
  > The landing gear collapsed during taxi as a result of incorrect rigging of the landing gear by other maintenance personnel that prevented the landing gear downlock from functioning as designed.
- [NTSB MIA07IA047](https://openairdocs.org/ntsb/MIA07IA047.md): McDonnell Douglas DC-8-71F · Miami, FL · Incident · No injuries · Incident investigation · Final report · Feb 5, 2007 · HK2277 · Minor damage
  > Improper torque of a landing gear lockbolt by company maintenance personnel during landing gear installation.
- [NTSB NYC07CA057](https://openairdocs.org/ntsb/NYC07CA057.md): Foley James Searey · Danbury, CT · Accident · No injuries · Data collection · Final report · Jan 18, 2007 · N477EM · Substantial damage
  > Collapse of the left main landing gear due to previous damage. A factor in the accident was the inadequate annual condition inspection.
- [NTSB SEA07LA036](https://openairdocs.org/ntsb/SEA07LA036.md): Piper PA 23-235 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Dec 17, 2006 · N5829X · Substantial damage
  > The landing gear collapsed for undetermined reasons while the aircraft was standing on the taxiway with the engines operating.
- [NTSB SEA07LA026](https://openairdocs.org/ntsb/SEA07LA026.md): Cessna 310B · Lake Stevens, WA · Accident · No injuries · Limited investigation · Final report · Dec 6, 2006 · N6640B · Substantial damage
  > The collapse of the main landing gear for an undetermined reason while taxiing from landing.
- [NTSB DFW06CA201](https://openairdocs.org/ntsb/DFW06CA201.md): Cessna T210N · San Angelo, TX · Accident · No injuries · Data collection · Final report · Aug 20, 2006 · N6602C · Substantial damage
  > The failure of the landing gear to extend as result of a frayed electrical wire.
- [NTSB NYC06CA199](https://openairdocs.org/ntsb/NYC06CA199.md): Stampe SV-4C · Taneytown, MD · Accident · No injuries · Data collection · Final report · Aug 9, 2006 · N81RG · Substantial damage
  > The collapse of the right main landing gear for an undetermined reason.
- [NTSB DCA06FA058](https://openairdocs.org/ntsb/DCA06FA058.md): Boeing MD-10-10F · Memphis, TN · Accident · No injuries · Field investigation · Final report · Jul 28, 2006 · N391FE · Substantial damage
  > the failure of the left main landing gear due to fatigue cracking in the air filler valve hole on the aft side of the landing gear. The fatigue cracking occurred due to the presence of stray nickel plating in the air filler valve hole. Contributing to this…
- [NTSB NYC06CA152](https://openairdocs.org/ntsb/NYC06CA152.md): Cessna 182F · Beverly, MA · Accident · No injuries · Data collection · Final report · Jun 17, 2006 · N830W · Substantial damage
  > Collapse of the nose landing gear for an undetermined reason.
- [NTSB LAX06LA166](https://openairdocs.org/ntsb/LAX06LA166.md): McKenzie Lancair IV-P Turbine · San Diego, CA · Accident · No injuries · Limited investigation · Final report · May 8, 2006 · N5M · Substantial damage
  > The collapse of the left main gear for undetermined reasons. A factor was the pilot's inadequate remedial action in response to the left main gear not locked warning light by not attempting to manually extend the gear to ensure it was fully down and locked.
- [NTSB LAX06CA167](https://openairdocs.org/ntsb/LAX06CA167.md): Cessna 310N · Lincoln, CA · Accident · No injuries · Data collection · Final report · Apr 3, 2006 · N5096Q · Substantial damage
  > The collapse of the nose gear due to an out of tolerance nose gear over center adjustment.
- [NTSB ATL06LA052](https://openairdocs.org/ntsb/ATL06LA052.md): E Newton Newton RV-6A · Mooresville, NC · Accident · Minor injuries · Limited investigation · Final report · Mar 13, 2006 · N57ME · Substantial damage
  > The collapse of the nose landing gear for undetermined reasons, which resulted in a nose over.
- [NTSB CHI06LA089](https://openairdocs.org/ntsb/CHI06LA089.md): Beech 95-55 · Sikeston, MO · Accident · No injuries · Limited investigation · Final report · Feb 25, 2006 · N562T · Substantial damage
  > The inadvertent landing gear retraction by the pilot during an after landing taxi.
- [NTSB MIA06LA055](https://openairdocs.org/ntsb/MIA06LA055.md): Beech C90A · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Feb 15, 2006 · N12LE · Substantial damage
  > The collapse of the right main landing gear for an undetermined reason during the landing roll, which resulted in a collision with the runway. A factor contributing to the accident was the pilot's failure to follow the published emergency/abnormal procedures.
- [NTSB LAX06LA101](https://openairdocs.org/ntsb/LAX06LA101.md): Cessna R182 · Bullhead City, AZ · Accident · No injuries · Limited investigation · Final report · Feb 3, 2006 · N88AA · Substantial damage
  > overload of the nose landing gear actuator attach bracket resulting in collapse of the nose gear while taxiing. It is undetermined when and under what circumstances the overload occurred.
- [NTSB MIA06LA048](https://openairdocs.org/ntsb/MIA06LA048.md): Cessna 310N · Destin, FL · Accident · No injuries · Limited investigation · Final report · Jan 18, 2006 · N4196Q · Substantial damage
  > The down limit switch, which operates the landing gear mechanical stop, was bent in the up position and allowed the gear motor to continued to run, causing the gearbox to over-travel, pull on the landing gear rods, and retract the landing gear.
- [NTSB SEA06CA030](https://openairdocs.org/ntsb/SEA06CA030.md): Bellanca 14-19-2 · Auburn, WA · Accident · No injuries · Data collection · Final report · Nov 27, 2005 · N7692B · Substantial damage
  > The collapse of the left main landing gear after landing for undetermined reasons.
- [NTSB NYC06CA001](https://openairdocs.org/ntsb/NYC06CA001.md): Waco YMF · Kensington, NH · Accident · No injuries · Data collection · Final report · Oct 2, 2005 · N89B · Substantial damage
  > An overload fracture of the right main landing gear during the landing roll, which resulted in a nose over.
- [NTSB SEA06LA003](https://openairdocs.org/ntsb/SEA06LA003.md): Beech B-60 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Oct 1, 2005 · N924GF · Substantial damage
  > Main landing gear collapse during the landing rollout for undetermined reasons.
- [NTSB MIA05CA156](https://openairdocs.org/ntsb/MIA05CA156.md): Cessna 172-S · Kendall-Tamiami, FL · Accident · No injuries · Data collection · Final report · Sep 13, 2005 · N513JG · Substantial damage
  > The pilot's failure to recover from a bounced landing which resulted in damage to the airplane.
- [NTSB LAX05LA251](https://openairdocs.org/ntsb/LAX05LA251.md): Cessna 210A · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Jul 31, 2005 · N9468X · Substantial damage
  > The pilot's failure to ensure that the landing gear was fully extended prior to landing. A contributing factor was the pilot's diverted attention.
- [NTSB NYC05LA116](https://openairdocs.org/ntsb/NYC05LA116.md): Cessna 421B · Medina, OH · Accident · No injuries · Limited investigation · Final report · Jul 7, 2005 · N318RF · Substantial damage
  > An overload failure of the left main landing gear attachment assembly.
- [NTSB DEN05LA091](https://openairdocs.org/ntsb/DEN05LA091.md): Cessna 340A · Santa Fe, NM · Accident · No injuries · Limited investigation · Final report · Jun 17, 2005 · N155RP · Substantial damage
  > total failure of the main landing gear due to improper installation of the push-pull tubes by maintenance personnel, and their failure to follow proper procedures/directives.
- [NTSB LAX05LA206](https://openairdocs.org/ntsb/LAX05LA206.md): Piper PA-24-250 · California City, CA · Accident · No injuries · Limited investigation · Final report · Apr 9, 2005 · N7737P · Substantial damage
  > The failure of the normal landing gear system to extend for undetermined reasons that resulted in a gear collapse during landing.
- [NTSB LAX05LA130](https://openairdocs.org/ntsb/LAX05LA130.md): Cessna 421B · Lake Havasu Cit, AZ · Accident · No injuries · Limited investigation · Final report · Apr 4, 2005 · N637SC · Substantial damage
  > the fracture of the landing gear shaft roll pin that resulted in a main gear collapse during the taxi.
- [NTSB MIA05LA081](https://openairdocs.org/ntsb/MIA05LA081.md): Beech C-45H · Panama City, FL · Accident · No injuries · Limited investigation · Final report · Mar 18, 2005 · N231SK · Substantial damage
  > The overload failure of the left main landing gear for undetermined reasons during the landing roll resullting in collapse of the left main landing gear.
- [NTSB SEA05LA065](https://openairdocs.org/ntsb/SEA05LA065.md): Maule M-7-235C · Graham, WA · Accident · No injuries · Limited investigation · Final report · Mar 13, 2005 · N5509M · Substantial damage
  > The failure of the right main gear due to separation of the attachment hardware.
- [NTSB DFW05LA081](https://openairdocs.org/ntsb/DFW05LA081.md): Piper PA-23-250 · Westport, OK · Accident · No injuries · Limited investigation · Final report · Mar 5, 2005 · N33AC · Substantial damage
  > The collapsing of the right main landing gear as a result of the failure of the scissors assembly.
- [NTSB ATL04CA192](https://openairdocs.org/ntsb/ATL04CA192.md): Piper PA-44-180 · Miami, FL · Accident · No injuries · Data collection · Final report · Sep 10, 2004 · N268DA · Substantial damage
  > The pilot's failure to follow the after landing check list, which resulted in his inadvertent gear retraction during landing roll.
- [NTSB LAX04LA325](https://openairdocs.org/ntsb/LAX04LA325.md): Piper PA-30 · Auburn, CA · Accident · No injuries · Limited investigation · Final report · Aug 22, 2004 · N8475Y · Substantial damage
  > a collapse of the landing gear for undetermined reasons.
- [NTSB IAD04LA029](https://openairdocs.org/ntsb/IAD04LA029.md): Cessna 421B · Portland, ME · Accident · No injuries · Limited investigation · Final report · Jul 2, 2004 · N421KS · Substantial damage
  > Failure of the right main landing gear down-lock mechanism resulting in the collapse of the right main landing gear.
- [NTSB SEA04LA118](https://openairdocs.org/ntsb/SEA04LA118.md): Maule M-7-235C · Miles City, MT · Accident · No injuries · Limited investigation · Final report · Jun 25, 2004 · N1936P · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft during the landing roll resulting in a main landing gear collapse.
- [NTSB ATL04LA092](https://openairdocs.org/ntsb/ATL04LA092.md): Cessna 140 · Greenville, SC · Accident · No injuries · Limited investigation · Final report · Apr 8, 2004 · N527ST · Substantial damage
  > Fatigue failure of the leaf spring gear strut.
- [NTSB FTW04LA090](https://openairdocs.org/ntsb/FTW04LA090.md): Beech BE-200 · Springdale, AR · Accident · No injuries · Limited investigation · Final report · Mar 5, 2004 · N30SE · Substantial damage
  > The failure of the right main landing gear actuator clevis bolt for undetermined reasons.
- [NTSB MIA04LA036](https://openairdocs.org/ntsb/MIA04LA036.md): Cessna 310P · Crystal River, FL · Accident · No injuries · Limited investigation · Final report · Dec 21, 2003 · N5811M · Substantial damage
  > Inadequate maintenance by company maintenance personnel, which resulted in operation of the airplane with a deflated nose landing gear strut, which resulted in the nose gear failing to lock in position, gear collapse, and damage to the airplane during landing…

Next page: https://openairdocs.org/ntsb.md?occurrence=190&page=2

## 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

---
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.