# 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 10 of 36 · 1,789 cases

## Cases, newest first

- [NTSB GAA21WA153](https://openairdocs.org/ntsb/GAA21WA153.md): Piper PA-34-200T · Tambor, Costa Rica · Incident · No injuries · Class 5 · Foreign · Apr 2, 2021 · TI-API
- [NTSB GAA21WA092](https://openairdocs.org/ntsb/GAA21WA092.md): Beech 95B55 · Warwickshire, United Kingdom · Accident · No injuries · Class 5 · Foreign · Mar 27, 2021 · G-UROP
- [NTSB ERA21LA159](https://openairdocs.org/ntsb/ERA21LA159.md): Cessna 210 · Marianna, FL · Accident · No injuries · Class 4 · Limited · Final report · Mar 18, 2021 · N7736K · Substantial damage
  > The failure of the alternator control unit housing plug connection, which resulted in insufficient battery power to fully extend the landing gear. Contributing to the accident was the pilot’s decision to not use the emergency gear extension handle to secure…
- [NTSB ANC21LA022](https://openairdocs.org/ntsb/ANC21LA022.md): Cessna A185F · Skwentna, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 5, 2021 · N1848R · Substantial damage
  > Installation of improper hardware on the ski check cable. Contributing to the accident was the inadequate inspection of the ski yokes, which resulted in the subsequent failure of the right main landing gear ski yoke and collapse of the right main landing gear…
- [NTSB ERA21LA158](https://openairdocs.org/ntsb/ERA21LA158.md): Vashon Ranger R7 · Hampton, GA · Accident · No injuries · Class 4 · Limited · Final report · Mar 4, 2021 · N150VR · Substantial damage
  > The student pilot’s improper flare while landing with a gusting crosswind which resulted in a hard landing and separation of the left landing gear.
- [NTSB ERA21LA147](https://openairdocs.org/ntsb/ERA21LA147.md): Cessna P210N · Johnstown, NY · Accident · No injuries · Class 3 · Limited · Final report · Mar 2, 2021 · N4629K · Substantial damage
  > A failure of the landing gear system hydraulic pump assembly for reasons that could not be determined based on available evidence. Contributing was the pilot’s failure to confirm that the landing gear was down and locked before landing.
- [NTSB ANC21LA019](https://openairdocs.org/ntsb/ANC21LA019.md): Cessna U206G · McGrath, AK · Accident · No injuries · Class 4 · Limited · Final report · Mar 1, 2021 · N1748R · Substantial damage
  > The pilot’s selection of an unsuitable landing surface.
- [NTSB CEN21LA186](https://openairdocs.org/ntsb/CEN21LA186.md): Piper PA 46-350P · Aspen, CO · Accident · No injuries · Class 4 · Limited · Final report · Feb 28, 2021 · N6962S · Substantial damage
  > The pilot’s failure to maintain directional control on landing.
- [NTSB CEN21LA147](https://openairdocs.org/ntsb/CEN21LA147.md): Piper PA-23 · Oshkosh, WI · Accident · No injuries · Class 3 · Limited · Final report · Feb 27, 2021 · N1460P · Substantial damage
  > The failure of the nose landing gear lower drag link for reasons that could not be determined based on available information, which resulted in the collapse of the nose landing gear.
- [NTSB ERA21LA138](https://openairdocs.org/ntsb/ERA21LA138.md): Dassault Mirage F1 B · Panama City, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 25, 2021 · N601AX · Substantial damage
  > Nose landing gear contact with a raised aircraft arresting system during takeoff, which damaged components of the nose wheel steering system and resulted in an uncommanded left turn and loss of directional control.
- [NTSB ERA21LA146](https://openairdocs.org/ntsb/ERA21LA146.md): Cessna P210 · Bartow, FL · Accident · No injuries · Class 3 · Limited · Final report · Feb 20, 2021 · N210GE · Substantial damage
  > A leaking left main landing gear down lock actuator, which resulted in a loss of hydraulic fluid and a subsequent landing gear collapse during landing.
- [NTSB WPR21LA117](https://openairdocs.org/ntsb/WPR21LA117.md): Piper PA-44-180 · Redmond, OR · Accident · No injuries · Class 3 · Limited · Final report · Feb 7, 2021 · N125MG · Substantial damage
  > Failure of the landing gear strut piston tube due to fatigue cracking from corrosion pitting.
- [NTSB ERA21LA113](https://openairdocs.org/ntsb/ERA21LA113.md): Cessna 182 · Rockingham, NC · Accident · No injuries · Class 4 · Limited · Final report · Jan 23, 2021 · N42714 · Substantial damage
  > The pilot’s improper recovery from a bounced landing, which resulted in a subsequent hard landing and a runway excursion.
- [NTSB ERA21LA112](https://openairdocs.org/ntsb/ERA21LA112.md): Cessna U206 · Denton, NC · Accident · No injuries · Class 3 · Limited · Final report · Jan 23, 2021 · C-GWAS · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available information.
- [NTSB CEN21LA112](https://openairdocs.org/ntsb/CEN21LA112.md): Piper PA-32R-301 · Sparta, MI · Accident · No injuries · Class 3 · Limited · Final report · Jan 12, 2021 · N35718 · Substantial damage
  > The pilot’s failure to maintain the proper glideslope during final approach, which resulted in contact with a snowbank at the approach end of the runway.
- [NTSB WPR21LA076](https://openairdocs.org/ntsb/WPR21LA076.md): Extra Flugzeugbau EA 300/L · Santa Monica, CA · Accident · No injuries · Class 4 · Limited · Final report · Jan 3, 2021 · N52NL · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop.
- [NTSB ERA21LA238](https://openairdocs.org/ntsb/ERA21LA238.md): Piper PA46R-350T · York, PA · Accident · No injuries · Class 3 · Limited · Final report · Dec 30, 2020 · N463ST · Substantial damage
  > An improper weld repair of the engine mount, which resulted in a fatigue failure of the mount and subsequent nose landing gear collapse. Contributing to the accident was maintenance personnel’s failure to accomplish the manufacturer’s service bulletin…
- [NTSB CEN21LA099](https://openairdocs.org/ntsb/CEN21LA099.md): Cessna 150K · Peyton, CO · Accident · No injuries · Class 4 · Limited · Final report · Dec 21, 2020 · N5937G · Substantial damage
  > The student pilot did not maintain directional control of the airplane while landing. Contributing to the accident was the pilot’s diverted attention to the incorrect flap setting.
- [NTSB CEN21LA097](https://openairdocs.org/ntsb/CEN21LA097.md): Cessna 170 · Albion, NE · Accident · No injuries · Class 4 · Limited · Final report · Dec 18, 2020 · N9590A · Substantial damage
  > The pilot’s failure to maintain directional control during the landing with a tailwind.
- [NTSB CEN21LA058](https://openairdocs.org/ntsb/CEN21LA058.md): Temco GC-1B · Waukegan, IL · Accident · No injuries · Class 4 · Limited · Final report · Nov 8, 2020 · N77759 · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff with a crosswind that resulted in a ground loop and impact with terrain.
- [NTSB CEN21LA108](https://openairdocs.org/ntsb/CEN21LA108.md): Cirrus Design SR20 · Fort Worth, TX · Accident · No injuries · Class 3 · Limited · Final report · Nov 6, 2020 · N720TX · Substantial damage
  > A failure of the nose wheel landing strut for reasons that could not be determined based on available information.
- [NTSB DCA21WA019](https://openairdocs.org/ntsb/DCA21WA019.md): Fairchild 227 · Mendoza, Argentina · Incident · No injuries · Class 5 · Foreign · Nov 5, 2020 · LV-VDJ · Substantial damage
- [NTSB WPR21LA037](https://openairdocs.org/ntsb/WPR21LA037.md): Remos Aircraft Gmbh Flugzeugbau GX · Glendale, AZ · Accident · No injuries · Class 3 · Limited · Final report · Nov 4, 2020 · N87GX · Substantial damage
  > The material overstress failure of the airframe’s aluminum carry-through of the main landing gear.
- [NTSB CEN21LA233](https://openairdocs.org/ntsb/CEN21LA233.md): Cessna 140 · Edinburg, TX · Accident · No injuries · Class 3 · Limited · Final report · Oct 30, 2020 · N76933 · Substantial damage
  > The collapse of the airplane’s left main landing gear for a reason that could not be determined based upon the available evidence.
- [NTSB WPR21WA026](https://openairdocs.org/ntsb/WPR21WA026.md): Piper PA46 · Limpopo Province, South Africa · Accident · Class 4 · Foreign · Oct 22, 2020 · N4322Y · Substantial damage
- [NTSB ERA21LA021](https://openairdocs.org/ntsb/ERA21LA021.md): Beech 99 · Waterville, ME · Accident · No injuries · Class 3 · Limited · Final report · Oct 14, 2020 · N499CZ · Substantial damage
  > A failure of the right main landing gear drag leg support fitting and angle bracket as a result of multiple areas of fatigue cracking.
- [NTSB CEN21LA009](https://openairdocs.org/ntsb/CEN21LA009.md): Mooney M20F · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Oct 2, 2020 · N7798M · Substantial damage
  > Failure of the landing gear motor that prevented the gear from extending fully to the down and locked position, which resulted in a gear collapse on landing and a subsequent loss of directional control.
- [NTSB ERA20LA342](https://openairdocs.org/ntsb/ERA20LA342.md): Bellanca 7GCB · DeFuniak Springs, FL · Accident · No injuries · Class 4 · Limited · Final report · Sep 30, 2020 · N8950R · Substantial damage
  > The failure of the left landing gear airframe cross tube during landing, due to corrosion hidden under riveted fairing.
- [NTSB ERA20LA341](https://openairdocs.org/ntsb/ERA20LA341.md): Tecnam P92 · Centerville, MD · Accident · No injuries · Class 3 · Limited · Final report · Sep 28, 2020 · N562TU · Substantial damage
  > The fatigue failure of the No. 1 cylinder exhaust valve spring retainer due to air trapped in the lubrication system, which resulted in a total loss of engine power.
- [NTSB ERA20LA337](https://openairdocs.org/ntsb/ERA20LA337.md): Lancair 235 · Chester, CT · Accident · No injuries · Class 4 · Limited · Final report · Sep 25, 2020 · N35FW · Substantial damage
  > The pilot's unstable approach, which resulted in a hard landing, and the separation of the left main landing gear.
- [NTSB CEN20CA416](https://openairdocs.org/ntsb/CEN20CA416.md): Cessna 172RG · Lafayette, IN · Accident · No injuries · Class 4 · Data collection · Final report · Sep 21, 2020 · N6330V · Substantial damage
  > The separation failure of a landing gear system hydraulic line and its compression fitting during cruise flight, which resulted in a partial gear up landing.
- [NTSB ERA20LA344](https://openairdocs.org/ntsb/ERA20LA344.md): Beech B19 · Laconia, NH · Accident · No injuries · Class 4 · Limited · Final report · Sep 20, 2020 · N18778 · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard, bounced landing and the nose landing gear collapsing.
- [NTSB CEN20CA411](https://openairdocs.org/ntsb/CEN20CA411.md): Cessna R182 · Marksville, LA · Accident · Minor injuries · Class 4 · Data collection · Final report · Sep 17, 2020 · N6208T · Substantial damage
  > The pilot’s inadequate preflight inspection, during which he failed to ensure the landing gear handle in the “down” position which resulted in the landing gear retracting during takeoff, a loss of directional control, and a runway excursion.
- [NTSB CEN20CA382](https://openairdocs.org/ntsb/CEN20CA382.md): Cessna A185 · Bellaire, MI · Accident · No injuries · Class 4 · Data collection · Final report · Sep 4, 2020 · N185DK · Substantial damage
  > The pilot's loss of directional control during the landing roll.
- [NTSB WPR20CA296](https://openairdocs.org/ntsb/WPR20CA296.md): Cessna Ector 305A · Amboy, CA · Accident · No injuries · Class 4 · Data collection · Final report · Sep 3, 2020 · N1832 · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during a precautionary landing which resulted in a ground loop.
- [NTSB CEN20LA372](https://openairdocs.org/ntsb/CEN20LA372.md): Cessna 414 · Ray, MI · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 30, 2020 · N698D · Substantial damage
  > The pilot’s loss of directional control on takeoff.
- [NTSB ERA20CA304](https://openairdocs.org/ntsb/ERA20CA304.md): Tecnam P92 · Charlottesville, VA · Accident · No injuries · Class 4 · Data collection · Final report · Aug 28, 2020 · N508TE · Substantial damage
  > The student pilot’s improper landing flare, which resulted in a hard, bounced landing and a nose landing gear collapse.
- [NTSB DCA20WA140](https://openairdocs.org/ntsb/DCA20WA140.md): Boeing 767 · Bucure?ti, Romania · Accident · No injuries · Class 5 · Foreign · Aug 28, 2020 · N423AX · Substantial damage
- [NTSB WPR20LA288](https://openairdocs.org/ntsb/WPR20LA288.md): Cessna 210 · Chino, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 26, 2020 · N9540T · Substantial damage
  > The failure of the engine-driven hydraulic pump, which resulted in the main landing gear not fully extending and locking into place during landing. Contributing to the accident was the failure of the emergency gear extension system for reasons that could not…
- [NTSB CEN20CA371](https://openairdocs.org/ntsb/CEN20CA371.md): Cessna 152 · Willoughby, OH · Accident · No injuries · Class 4 · Data collection · Final report · Aug 24, 2020 · N94589 · Substantial damage
  > The student pilot’s improper landing flare that resulted in a porpoise and collapsed nose landing gear.
- [NTSB WPR20LA290](https://openairdocs.org/ntsb/WPR20LA290.md): Diamond DA 40 · Benson, AZ · Accident · No injuries · Class 3 · Limited · Final report · Aug 20, 2020 · N386MA · Substantial damage
  > The failure of the nose landing due to fatigue cracking.
- [NTSB WPR20LA306](https://openairdocs.org/ntsb/WPR20LA306.md): Piper PA-28-181 · Upland, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 19, 2020 · N79MS · Substantial damage
  > The failure of the right landing gear due to fatigue cracking.
- [NTSB DCA20LA138](https://openairdocs.org/ntsb/DCA20LA138.md): Boeing 767 · Los Angeles, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 19, 2020 · N146FE · Substantial damage
  > The left main landing gear’s failure to extend due to the separation of the brake rod retaining hardware from the aft inboard wheel for reasons that could not be determined based on the available evidence.
- [NTSB WPR20CA271](https://openairdocs.org/ntsb/WPR20CA271.md): Ryan ST3KR · Port Townsend, WA · Accident · No injuries · Class 4 · Data collection · Final report · Aug 16, 2020 · N62130 · Substantial damage
  > The pilot's failure to maintain directional control during landing, which resulted in a runway excursion and impact with vegetation.
- [NTSB WPR20CA265](https://openairdocs.org/ntsb/WPR20CA265.md): Cessna 180 · Stanley, ID · Accident · No injuries · Class 4 · Data collection · Final report · Aug 11, 2020 · N9917N · Substantial damage
  > The pilot's failure to maintain directional control during takeoff in crosswind conditions, which resulted in a ground loop.
- [NTSB CEN20CA332](https://openairdocs.org/ntsb/CEN20CA332.md): Piper PA28R · Englewood, CO · Accident · No injuries · Class 4 · Data collection · Final report · Aug 8, 2020 · N4964S · Substantial damage
  > The flight instructor did not maintain a proper approach path and landing flare during a landing with a tailwind, which resulted in a hard landing and damaged landing gear. During the subsequent landing with damaged landing gear, the flight instructor lost…
- [NTSB CEN20CA333](https://openairdocs.org/ntsb/CEN20CA333.md): Cub Crafters Carbon CUB EX · Marion, IL · Accident · No injuries · Class 4 · Data collection · Final report · Aug 7, 2020 · N3737R · Substantial damage
  > The pilot's failure to attain/maintain directional control during landing that resulted in a ground-loop and collision with terrain.
- [NTSB CEN20CA351](https://openairdocs.org/ntsb/CEN20CA351.md): Cessna 172 · Conway, AR · Accident · No injuries · Class 4 · Data collection · Final report · Aug 2, 2020 · N13184 · Substantial damage
  > The pilot’s improper recovery from a bounced landing.
- [NTSB WPR20CA254](https://openairdocs.org/ntsb/WPR20CA254.md): Cessna 182 · Clearwater, OR · Accident · No injuries · Class 4 · Data collection · Final report · Jul 22, 2020 · N9747H · Substantial damage
  > The pilot's improper pitch attitude during the soft-field landing roll, which resulted in the tail striking the runway.
- [NTSB ERA20CA268](https://openairdocs.org/ntsb/ERA20CA268.md): Piper PA 12 · Linconville, ME · Accident · No injuries · Class 4 · Data collection · Final report · Jul 18, 2020 · N4365M · Substantial damage
  > The pilot's improper landing flare, which resulted in a bounced landing and subsequent main landing gear collapse.

Next page: https://openairdocs.org/ntsb-events/094/sequence.md?page=11

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

This list as a web page: https://openairdocs.org/ntsb-events/094/sequence?page=10

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