# NTSB investigations, 2020: 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 1 of 2 · 80 cases

## Latest cases

- [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.
- [NTSB ANC20CA071](https://openairdocs.org/ntsb/ANC20CA071.md): Cessna A185 · Palmer, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jul 14, 2020 · N360DC · Substantial damage
  > The pilot's loss of control during landing, which resulted in a ground loop and left main landing gear collapse.
- [NTSB ERA20CA250](https://openairdocs.org/ntsb/ERA20CA250.md): Cessna 172 · Auburn, ME · Accident · No injuries · Class 4 · Data collection · Final report · Jul 9, 2020 · N722SA · Substantial damage
  > The student pilot's improper landing flare, which resulted in a hard landing on the nosegear and nosegear collapse.
- [NTSB WPR20CA213](https://openairdocs.org/ntsb/WPR20CA213.md): Beech 33 · Redmond, OR · Accident · No injuries · Class 4 · Data collection · Final report · Jul 6, 2020 · N727P · Substantial damage
  > The left seated flight instructor’s improper manipulation of the landing gear position selection lever to the up position while still on the landing roll, which ultimately resulted in a landing gear collapse during a subsequent landing.
- [NTSB WPR20CA205](https://openairdocs.org/ntsb/WPR20CA205.md): Beech 23 · Sedona, AZ · Accident · No injuries · Class 4 · Data collection · Final report · Jul 5, 2020 · N8868M · Substantial damage
  > The pilot's inability to maintain a climb after an attempted takeoff in high density altitude conditions, which resulted in a forced landing on a road and subsequent landing gear collapse.
- [NTSB CEN20LA269](https://openairdocs.org/ntsb/CEN20LA269.md): Air Tractor AT 602 · Weldon, AR · Accident · No injuries · Class 3 · Limited · Final report · Jul 3, 2020 · N602NY · Substantial damage
  > The total loss of engine power during cruise flight for reasons that could not be determined based on the available evidence.
- [NTSB ERA20CA232](https://openairdocs.org/ntsb/ERA20CA232.md): Ayres S2R · Perry, GA · Accident · No injuries · Class 4 · Data collection · Final report · Jun 27, 2020 · N4032L · Substantial damage
  > The reported malfunction of the aileron flight control system during takeoff for reasons that could not be determined.
- [NTSB ERA20CA225](https://openairdocs.org/ntsb/ERA20CA225.md): Cessna 152 · Hollywood, FL · Accident · No injuries · Class 4 · Data collection · Final report · Jun 23, 2020 · N5314M · Substantial damage
  > The student pilot's improper landing flare, and failure to recover from the ensuing bounced landing, which resulted in a subsequent nose landing gear collapse.
- [NTSB WPR20LA187](https://openairdocs.org/ntsb/WPR20LA187.md): Cessna 310 · Coeur D Alene, ID · Accident · No injuries · Class 3 · Limited · Final report · Jun 18, 2020 · N6602B · Substantial damage
  > Improper maintenance of the landing gear system which resulted in a partial gear collapse during landing.
- [NTSB WPR20CA185](https://openairdocs.org/ntsb/WPR20CA185.md): Vans RV 6 · Clovis, NM · Accident · No injuries · Class 4 · Data collection · Final report · Jun 17, 2020 · N1407W · Substantial damage
  > The pilot's improper landing flare which resulted in a hard, bounced landing, and subsequent runway excursion. Contributing to the accident was the airplane’s aft center of gravity at the time of the accident.
- [NTSB CEN20CA232](https://openairdocs.org/ntsb/CEN20CA232.md): Piper PA46 · Ely, MN · Accident · Minor injuries · Class 4 · Data collection · Final report · Jun 16, 2020 · N27RZ · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard, bounced landing and the nose landing gear collapse during a gusty landing.
- [NTSB WPR20CA183](https://openairdocs.org/ntsb/WPR20CA183.md): Cessna 310 · Butte, MT · Accident · No injuries · Class 4 · Data collection · Final report · Jun 15, 2020 · N87395 · Substantial damage
  > The pilot's failure to maintain clearance from a fence post during final approach which resulted in a damage to the left main landing gear, and its subsequent collapse during landing.
- [NTSB ERA20LA230](https://openairdocs.org/ntsb/ERA20LA230.md): Piper PA46 · Williston, FL · Accident · No injuries · Class 3 · Limited · Final report · Jun 15, 2020 · N117PR · Substantial damage
  > The pilot’s failure to maintain directional control while landing with a crosswind, which resulted in a runway excursion and nose landing gear collapse.
- [NTSB WPR20CA188](https://openairdocs.org/ntsb/WPR20CA188.md): Cessna 177RG · Lynden, WA · Accident · Serious injuries · Class 4 · Data collection · Final report · Jun 14, 2020 · N1958Q · Substantial damage
  > The pilot's failure to maintain control of the airplane during the landing approach, which resulted in the airplane exceeding its critical angle of attack, an aerodynamic stall, hard landing, and a landing gear collapse.
- [NTSB WPR20LA252](https://openairdocs.org/ntsb/WPR20LA252.md): Piper PA 30 · Salem, OR · Accident · No injuries · Class 3 · Limited · Final report · Jun 5, 2020 · N8244Y · Substantial damage
  > A fatigue failure of the right main landing gear trunnion.
- [NTSB CEN20CA212](https://openairdocs.org/ntsb/CEN20CA212.md): Piper PA28R · Corpus Cristi, TX · Accident · No injuries · Class 4 · Data collection · Final report · Jun 4, 2020 · N533K · Substantial damage
  > The pilot's failure to utilze the emergency landing gear extension procedure after a short-circuit within the normal landing gear system, which resulted in a landing gear collapse during landing.
- [NTSB WPR20LA165](https://openairdocs.org/ntsb/WPR20LA165.md): Omf 100 · Glendale, AZ · Accident · No injuries · Class 3 · Limited · Final report · Jun 3, 2020 · N225CK · Substantial damage
  > Maintenance personnel’s failure to comply with the procedures of an airworthiness directive, which resulted in a fatigue failure of the longitudinal frame tube during landing and collapse of the right main landing gear.

Next page: https://openairdocs.org/ntsb-events/094/sequence.md?year=2020&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 year(c."eventDate") = 2020
  AND 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?year=2020

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