# 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 9 of 13 · 649 cases

## Cases, newest first

- [NTSB ERA15LA225](https://openairdocs.org/ntsb/ERA15LA225.md): Piper PA44 · Miami, FL · Accident · No injuries · Limited investigation · Final report · May 23, 2015 · N2163F · Substantial damage
  > The failure of the nose landing gear upper drag link knee bolt due to reverse-bending fatigue, which was likely preceded by excessive bearing wear due to reasons that could not be determined based on the available evidence.
- [NTSB ERA15IA206](https://openairdocs.org/ntsb/ERA15IA206.md): Cessna 525B · Teterboro, NJ · Incident · No injuries · Incident investigation · Final report · May 3, 2015 · N784JS · Minor damage
  > The overstress fracture of the nose landing gear actuator (NLG) attachment lug during tow operations, which resulted in the collapse of the NLG.
- [NTSB WPR15LA129](https://openairdocs.org/ntsb/WPR15LA129.md): Cessna 310Q · St. George, UT · Accident · No injuries · Limited investigation · Final report · Mar 21, 2015 · N7770Q · Substantial damage
  > Failure of the left main landing gear lower adjusting bolt due to overstress, which resulted in the left main landing gear collapse during landing.
- [NTSB ERA15LA160](https://openairdocs.org/ntsb/ERA15LA160.md): Cessna 172C · Williamson, GA · Accident · Minor injuries · Limited investigation · Final report · Mar 15, 2015 · N8452X · Substantial damage
  > The separation of the nosewheel upon landing due to a missing bolt that attached the upper torque assembly to the nosewheel steering arm assembly. When and how the bolt separated could not be determined.
- [NTSB CEN15LA147](https://openairdocs.org/ntsb/CEN15LA147.md): Piper PA 31-350 · Chicago, IL · Accident · No injuries · Limited investigation · Final report · Feb 16, 2015 · N727SC · Substantial damage
  > The collapse of the nose and right main landing gears during landing for reasons that could not be determined because examination of the landing gear system revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB WPR15IA105](https://openairdocs.org/ntsb/WPR15IA105.md): Evo13 Lancair Evolution · San Carlos, CA · Incident · No injuries · Incident investigation · Final report · Feb 15, 2015 · N3WB · Minor damage
  > The collapse of the nose landing gear (NLG) due to the separation of the right trunnion pin from the NLG strut as a result of reverse-bending fatigue.
- [NTSB WPR15LA113](https://openairdocs.org/ntsb/WPR15LA113.md): Mooney M20E - NO Series · Bakersfield, CA · Accident · No injuries · Limited investigation · Final report · Feb 14, 2015 · N11LV · Substantial damage
  > The collapse of all three landing gear during the takeoff roll for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN15WA453](https://openairdocs.org/ntsb/CEN15WA453.md): Mooney M20F · Avignon, France · Accident · Minor injuries · Foreign investigation · Feb 8, 2015 · F-BOLV · Substantial damage
  > On February 8, 2015, about 0845 UTC, a Mooney M20F, French registration F-BOLV, owned and operated by Chateau Avia Aero Club and piloted by a private individual, was substantially damaged when the landing gear collapsed during landing at the Avignon-Provence…
- [NTSB ERA15WA119](https://openairdocs.org/ntsb/ERA15WA119.md): New Piper PA46 350P · Milan, Italy · Accident · No injuries · Foreign investigation · Jan 26, 2015 · N369ST · Substantial damage
  > On January 26, 2015, at 1057 Coordinated Universal Time (UTC), a Piper PA-46-250P, N369ST, was substantially damaged when the landing gear collapsed during landing at Milano Linate Airport (LIML), Milan, Italy. The pilot, copilot, and two passengers were not…
- [NTSB CEN15LA116](https://openairdocs.org/ntsb/CEN15LA116.md): Cessna 210 · Sullivan, MO · Accident · No injuries · Limited investigation · Final report · Jan 8, 2015 · N9565X · Substantial damage
  > The loss of hydraulic fluid and subsequent pressure due to cracks in the right main landing gear (MLG) actuator, which resulted in the collapse of the MLG during landing.
- [NTSB CEN15LA089](https://openairdocs.org/ntsb/CEN15LA089.md): Cessna 310J · San Antonio, TX · Accident · No injuries · Limited investigation · Final report · Dec 18, 2014 · N700MA · Substantial damage
  > The retraction of the left main landing gear after landing for reasons that could not be determined during postaccident examinations.
- [NTSB CEN15LA078](https://openairdocs.org/ntsb/CEN15LA078.md): Piper PA 46 350P · Houston, TX · Accident · No injuries · Limited investigation · Final report · Dec 15, 2014 · N224JJ · Substantial damage
  > The nose landing gear collapse as a result of the fracture of the engine mount at the nose gear actuator attachment point in an area that a service bulletin (SB) recommended for inspection. Contributing to the accident was maintenance personnel’s inadequate…
- [NTSB ERA15LA058](https://openairdocs.org/ntsb/ERA15LA058.md): Cessna T210 · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Nov 24, 2014 · N610KC · Substantial damage
  > The collapse of the left main landing gear for reasons that could not be determined during postaccident examination.
- [NTSB CEN15WA080](https://openairdocs.org/ntsb/CEN15WA080.md): Gulfstream Aerospace G 1159A · London, United Kingdom · Accident · No injuries · Foreign investigation · Nov 24, 2014 · N103CD · Substantial damage
- [NTSB DCA15WA028](https://openairdocs.org/ntsb/DCA15WA028.md): Boeing 737-400 · Kabul, Afghanistan · Accident · No injuries · Foreign investigation · Nov 7, 2014 · YA-PIE · Substantial damage
  > The Afghanistan Civil Aviation Authority (ACAA) has notified the NTSB of an accident involving a Boeing 737-400 that occurred on November 7, 2014. The NTSB has appointed a U.S. Accredited Representative to assist the ACAA investigation under the provisions of…
- [NTSB WPR14LA368](https://openairdocs.org/ntsb/WPR14LA368.md): Piper PA 24-250 · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Sep 6, 2014 · N5966P · Substantial damage
  > The failure of the right main landing gear (MLG) transmission mounting bracket coupled with the differential rigging of the two landing gear cables, which prevented the right MLG from moving to the down-and-locked position before landing.
- [NTSB ERA14LA422](https://openairdocs.org/ntsb/ERA14LA422.md): Ackland Jeffrey Dean SH 3R · Columbus, GA · Accident · No injuries · Limited investigation · Final report · Sep 3, 2014 · N333AW · Substantial damage
  > The mechanic’s improper installation of the landing gear extend/retract switch, which resulted in the retraction of the landing gear during the aborted takeoff.
- [NTSB ENG14WA023](https://openairdocs.org/ntsb/ENG14WA023.md): BAE JETSTREAM3100 - 3102 · Doncaster, United Kingdom · Accident · No injuries · Foreign investigation · Aug 15, 2014 · G-GAVA
  > On August 15, 2014 at 1736 UTC, a Jetstream 3102 experienced a failure of the left main landing gear after landing at Doncaster airport in Doncaster, Yorkshire, United Kingdom. The Air Accidents Investigation Branch (AAIB) of the United Kingdom is…
- [NTSB ERA14IA370](https://openairdocs.org/ntsb/ERA14IA370.md): Piper PA-44-180 · Jacksonville, FL · Incident · No injuries · Incident investigation · Final report · Jul 31, 2014 · N216FW · Minor damage
  > The nose landing gear collapse for reasons that could not be determined because examination of the airplane revealed no anomalies.
- [NTSB CEN14LA474](https://openairdocs.org/ntsb/CEN14LA474.md): Piper PA 28RT-201T · Houston, TX · Accident · No injuries · Limited investigation · Final report · Jul 27, 2014 · N2148J · Substantial damage
  > The landing gear’s failure to extend for reasons that could not be determined based on the available evidence.
- [NTSB WPR14LA307](https://openairdocs.org/ntsb/WPR14LA307.md): Piper PA 46 350P · Auburn, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 2014 · N60PB · Substantial damage
  > A collapse of the nose landing gear for reasons that could not be determined based on the available information.
- [NTSB ANC14LA054](https://openairdocs.org/ntsb/ANC14LA054.md): Cessna 180H · Seward, AK · Accident · No injuries · Limited investigation · Final report · Jul 14, 2014 · N9083M · Substantial damage
  > The pilot’s execution of a hard uncoordinated landing, which resulted in the overstress fracture of the right main landing gear (MLG) axle attachment bolts and the subsequent separation of the of the right MLG axle.
- [NTSB CEN14CA352](https://openairdocs.org/ntsb/CEN14CA352.md): Beech 35 33 · Mt. Vernon, IL · Accident · No injuries · Data collection · Final report · Jul 5, 2014 · N891R · Substantial damage
  > The pilot's failure to ensure the landing gear was extended into the fully locked position.
- [NTSB ERA14LA295](https://openairdocs.org/ntsb/ERA14LA295.md): Maule M4-220C · Cherryville, NC · Accident · No injuries · Limited investigation · Final report · Jun 17, 2014 · N535TJ · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing and subsequent main landing gear collapse.
- [NTSB WPR14TA248](https://openairdocs.org/ntsb/WPR14TA248.md): Lockheed SP 2H · Fresno, CA · Accident · No injuries · Final report · Jun 16, 2014 · N4692A · Substantial damage
  > The collapse of the nosewheel landing gear due to the disengagement of the nosewheel landing gear pin. Contributing to the accident was the failure of the main hydraulic system due to overpressurization for reasons that could not be determined during…
- [NTSB WPR14LA265](https://openairdocs.org/ntsb/WPR14LA265.md): Piper PA 18-135 · Turner, OR · Accident · No injuries · Limited investigation · Final report · Jun 15, 2014 · N949JP · Substantial damage
  > The collapse of the left main landing gear during landing roll for reasons that could not be determined because the pilot would not make the airplane available for a postaccident examination.
- [NTSB CEN14CA310](https://openairdocs.org/ntsb/CEN14CA310.md): Cessna 421A · Dallas, TX · Accident · No injuries · Data collection · Final report · May 24, 2014 · N936U · Substantial damage
  > The improper rigging of the landing gear by maintenance personnel, which resulted in the landing gear collapse.
- [NTSB ERA14WA266](https://openairdocs.org/ntsb/ERA14WA266.md): Cessna 210N · Sinop, Brazil · Accident · No injuries · Foreign investigation · May 13, 2014 · PT-WHT · Substantial damage
  > On May 13, 2014, about 1650 universal coordinated time, a Cessna 210N, Brazilian registration PT-WHT, was substantially damaged while landing at Sinop Airport (SWSI), Sinop, Mato Grosso, Brazil. The pilot and three passengers were not injured. The flight…
- [NTSB DCA14CA093](https://openairdocs.org/ntsb/DCA14CA093.md): Mcdonnell Douglas MD90 - 30 · Boston, MA · Accident · No injuries · Data collection · Final report · May 12, 2014 · N933DN · Substantial damage
  > the captain's failure to verify the communications between himself and the tug operator, which resulted in him applying of brakes while the airplane was being pushed back from the gate by the tug with tow bar attached.
- [NTSB CEN14LA256](https://openairdocs.org/ntsb/CEN14LA256.md): Cessna 421 · Horseshoe Bay, TX · Accident · No injuries · Limited investigation · Final report · Apr 22, 2014 · N866BS · Substantial damage
  > The failure of the drive mechanism for the gearbox motor, which resulted in the gear not extending for the landing.
- [NTSB WPR14LA253](https://openairdocs.org/ntsb/WPR14LA253.md): Mcdonnell Douglas Helicopter 500N · Santa Monica, CA · Accident · No injuries · Limited investigation · Final report · Apr 18, 2014 · N522GS · Substantial damage
  > The fracture of the right aft landing gear strut due to undetected fatigue cracking in an inboard rivet hole.
- [NTSB ERA14CA200](https://openairdocs.org/ntsb/ERA14CA200.md): Kaldor Gregory N Zenith 701 · Eutaw Springs, SC · Accident · No injuries · Data collection · Final report · Apr 14, 2014 · N851RC · Substantial damage
  > The pilot's improper decision to execute a precautionary landing to unsuitable terrain following an inflight encounter with a wind gust, resulting in substantial damage to the airplane.
- [NTSB CEN14WA175](https://openairdocs.org/ntsb/CEN14WA175.md): Piper PA38 - 112 · Szombathely, Hungary · Accident · No injuries · Foreign investigation · Mar 29, 2014 · HA-APW · Substantial damage
  > On March 29, 2014, at 1000 universal coordinated time, a Piper model PA-38-112, Hungarian registration HA-APW, serial number 3879A0512, sustained substantial damage when the right main landing gear collapsed while taxiing at the Szombathely Airport, near…
- [NTSB WPR14LA142](https://openairdocs.org/ntsb/WPR14LA142.md): Bellanca 17 31 · Salt Lake City, UT · Accident · No injuries · Limited investigation · Final report · Mar 21, 2014 · N28119 · Substantial damage
  > The failure of the right main landing gear extension spring to maintain adequate pressure, which allowed the landing gear to collapse during the landing roll.
- [NTSB ERA14LA170](https://openairdocs.org/ntsb/ERA14LA170.md): Cessna 421 · Charleston, SC · Accident · No injuries · Limited investigation · Final report · Mar 20, 2014 · N5929M · Substantial damage
  > Inadequate maintenance, which resulted in the collapse of the right main landing gear during landing.
- [NTSB WPR14CA143](https://openairdocs.org/ntsb/WPR14CA143.md): Grumman TMB-3E · Glendale, AZ · Accident · No injuries · Data collection · Final report · Mar 17, 2014 · N53503 · Substantial damage
  > The pilot inadvertently raised the landing gear lever rather than the adjacent flap level while exiting the runway which resulted in the retraction of the left main landing gear.
- [NTSB WPR14LA134](https://openairdocs.org/ntsb/WPR14LA134.md): Cessna 170B · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 2014 · N2252D · Substantial damage
  > Corrosion of the bulkhead assembly in the left main landing gearbox area, which resulted in the structural failure of the bulkhead and the subsequent landing gear collapse.
- [NTSB WPR14CA120](https://openairdocs.org/ntsb/WPR14CA120.md): Piper PA 16 · Scappoose, OR · Accident · No injuries · Data collection · Final report · Feb 22, 2014 · N5626H · Substantial damage
  > The pilot's failure to maintain directional control during landing roll. Contributing to the accident was the pilot's diverted attention and inadequate preflight inspection.
- [NTSB CEN14WA248](https://openairdocs.org/ntsb/CEN14WA248.md): Cessna 340 · Toussus-Le-Noble, France · Accident · No injuries · Foreign investigation · Feb 18, 2014 · N876DT · Substantial damage
- [NTSB CEN14LA127](https://openairdocs.org/ntsb/CEN14LA127.md): Piaggio P180 - Avanti II · Springfield, IL · Accident · No injuries · Limited investigation · Final report · Jan 31, 2014 · N700FE · Substantial damage
  > The pilot's decision to reengage the hydraulic system following the successful extension of the landing gear using the emergency extension procedures. Contributing to the accident was the failure of the directional control valve in the gear-up position and…
- [NTSB WPR14LA105](https://openairdocs.org/ntsb/WPR14LA105.md): Piper PA 23-250 · Camarillo, CA · Accident · No injuries · Limited investigation · Final report · Jan 28, 2014 · N5977Y · Substantial damage
  > The inadequate hydraulic pressure due to a damaged O-ring in the hydraulic powerpack, which prevented the right main landing gear (MLG) downlock from locking in the extended positon and allowed the right MLG to collapse during landing.
- [NTSB ERA14LA107](https://openairdocs.org/ntsb/ERA14LA107.md): Piper PA-34-200 · West Palm Beach, FL · Accident · No injuries · Limited investigation · Final report · Jan 28, 2014 · N16389 · Substantial damage
  > The pilot/owner’s failure to maintain the airplane in accordance with a mandatory service bulletin and an airworthiness directive, which resulted in the nose landing gear collapse during landing.
- [NTSB WPR14CA109](https://openairdocs.org/ntsb/WPR14CA109.md): Piper PA 18-150 · Willcox, AZ · Accident · No injuries · Data collection · Final report · Jan 26, 2014 · N9683P · Substantial damage
  > The pilot's decision to land off airport on unsuitable terrain that resulted in a collision with hidden objects.
- [NTSB DCA14WA053](https://openairdocs.org/ntsb/DCA14WA053.md): Boeing 737-300 · Honiara, Solomon Islands · Accident · No injuries · Foreign investigation · Jan 26, 2014 · ZK-TLC
  > The Civil Aviation Authority of Solomon Islands (CAASI), has notified the NTSB of an accident involving a Boeing 737-300 that occurred on January 26, 2014. The NTSB has appointed a U.S. Accredited Representative to assist the CAASI investigation under the…
- [NTSB ERA14LA089](https://openairdocs.org/ntsb/ERA14LA089.md): FK Lightplanes FK9 ELA SW · Canton, GA · Accident · No injuries · Limited investigation · Final report · Jan 4, 2014 · N611SP · Substantial damage
  > A partial loss of engine power during cruise flight due to an overly lean fuel-air mixture, which resulted from an incorrectly installed float chamber vent line and led to a subsequent off-airport landing.
- [NTSB CEN14LA107](https://openairdocs.org/ntsb/CEN14LA107.md): Piper PA 24-250 · Silver City, NM · Accident · No injuries · Limited investigation · Final report · Jan 3, 2014 · N6767P · Substantial damage
  > The collapse of the landing gear during landing for reasons that could not be determined during postaccident examinations.
- [NTSB ERA14CA028](https://openairdocs.org/ntsb/ERA14CA028.md): Beech 95 B55 (T42A) · Newnan, GA · Accident · No injuries · Data collection · Final report · Oct 25, 2013 · N711H · Substantial damage
  > The flight instructor's inadvertent movement of the landing gear switch, which resulted in a landing gear collapse and substantial damage to the fuselage.
- [NTSB DCA14FA002](https://openairdocs.org/ntsb/DCA14FA002.md): Beech 1900C · Homer, AK · Accident · No injuries · Field investigation · Final report · Oct 23, 2013 · N575U · Substantial damage
  > The first officer inadvertently selecting the landing gear handle up after touchdown during the landing rollout. Contributing to the accident was the first officer's decision to reconfigure the airplane while still on the active runway.
- [NTSB WPR14CA020](https://openairdocs.org/ntsb/WPR14CA020.md): L Goldner Zenith 701 · Milford, UT · Accident · No injuries · Data collection · Final report · Oct 17, 2013 · N67MG · Substantial damage
  > The pilot's improper decision to execute a precautionary landing to unsuitable terrain.
- [NTSB WPR14LA051](https://openairdocs.org/ntsb/WPR14LA051.md): Piper PA 31P · Calexico, CA · Accident · No injuries · Limited investigation · Final report · Oct 12, 2013 · N14TG · Substantial damage
  > The pilot’s failure to maintain the proper pitch attitude during the landing, which resulted in the nose landing gear contacting the surface hard and then separating from the airplane.

Next page: https://openairdocs.org/ntsb-events/094/cases.md?page=10

## 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=9

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