# NTSB investigations: Main 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 2 of 9 · 406 cases

## Cases, newest first

- [NTSB CHI99LA265](https://openairdocs.org/ntsb/CHI99LA265.md): Cessna 310N · Eden Prairie, MN · Accident · No injuries · Limited investigation · Final report · Jul 31, 1999 · N310DE · Substantial damage
  > maintenance personnel installed washers which were not large enough in diameter to prevent the retraction/extension scissors links from separating from each other.
- [NTSB FTW99LA169](https://openairdocs.org/ntsb/FTW99LA169.md): Cessna 414 · Springdale, AR · Accident · No injuries · Limited investigation · Final report · Jun 13, 1999 · N475JN · Substantial damage
  > The failure of the right main landing gear torque tube support bracket/pivot bearing which resulted in the failure of the landing gear locking mechanism.
- [NTSB DEN99LA090](https://openairdocs.org/ntsb/DEN99LA090.md): Beech D95A · Englewood, CO · Accident · No injuries · Limited investigation · Final report · May 20, 1999 · N64TA · Substantial damage
  > The collapse of the right main landing gear during landing due to a fatigue crack, in the strut, which had an undetermined origin.
- [NTSB LAX99LA097](https://openairdocs.org/ntsb/LAX99LA097.md): Cessna 414 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Feb 15, 1999 · N1557T · Substantial damage
  > The overload failure of the left main gear locking mechanism due to improper system rigging by maintenance personnel.
- [NTSB NYC99LA051](https://openairdocs.org/ntsb/NYC99LA051.md): Cessna 650 · Columbus, OH · Accident · No injuries · Limited investigation · Final report · Jan 22, 1999 · N782QS · Substantial damage
  > The collapse of the airplane's right main landing gear due to inadequate design by its manufacturer.
- [NTSB LAX99LA016](https://openairdocs.org/ntsb/LAX99LA016.md): Cessna 208B · Lahaina, HI · Accident · No injuries · Limited investigation · Final report · Oct 26, 1998 · N860FE · Substantial damage
  > Structural failure of the main landing gear strut due to metallurgical fatigue. The fatigue cracks originated at an internal structural flaw placed in the part during manufacture.
- [NTSB MIA98LA248](https://openairdocs.org/ntsb/MIA98LA248.md): Piper PA-44-180 · Titusville, FL · Accident · No injuries · Limited investigation · Final report · Sep 18, 1998 · N39776 · Substantial damage
  > The collapse of the right main landing gear for undetermined reasons. A contributing factor was the pilot's failure to execute the emergency gear extension procedure.
- [NTSB ANC98LA141](https://openairdocs.org/ntsb/ANC98LA141.md): Christen Industries A-1 Husky · Selawik, AK · Accident · No injuries · Limited investigation · Final report · Sep 7, 1998 · N28973 · Substantial damage
  > The pilot's inadequate compensation for the crosswind conditions. Factors in this accident were a crosswind, the pilot's lack of certification, and his inadequate fuel consumption calculations.
- [NTSB CHI98LA249](https://openairdocs.org/ntsb/CHI98LA249.md): Cessna 190 · Pontiac, MI · Accident · No injuries · Limited investigation · Final report · Jul 14, 1998 · N56W · Substantial damage
  > improper procedures used during the replacement of the landing gear which resulted in pitting and corrosion of the gear spring.
- [NTSB NYC98LA137](https://openairdocs.org/ntsb/NYC98LA137.md): Cessna 152 · Pottstown, PA · Accident · No injuries · Limited investigation · Final report · Jun 28, 1998 · N25858 · Substantial damage
  > The student pilot's excessive application of the right brake, resulting in a ground loop.
- [NTSB CHI98LA282](https://openairdocs.org/ntsb/CHI98LA282.md): Cessna 310R · Cahokia, IL · Accident · No injuries · Limited investigation · Final report · Jun 27, 1998 · N4249C · Substantial damage
  > The collapse of the left main landing gear during landing roll for undetermined reasons.
- [NTSB CHI98LA210](https://openairdocs.org/ntsb/CHI98LA210.md): Cessna 180A · Bay City, MI · Accident · Minor injuries · Limited investigation · Final report · Jun 21, 1998 · N9753B · Substantial damage
  > a fatigue failure of the left nose gear caster bolt which resulted in a separation of the nose gear during landing.
- [NTSB MIA98LA123](https://openairdocs.org/ntsb/MIA98LA123.md): Cessna 402B · West Palm Beach, FL · Accident · No injuries · Limited investigation · Final report · Apr 3, 1998 · N400AR · Substantial damage
  > the pilot allowed the airplane to improperly touchdown on the right main landing gear, resulting in the gear collapsing, and subsequent impact with runway visual range equipment.
- [NTSB SEA98LA051](https://openairdocs.org/ntsb/SEA98LA051.md): Piper PA-22 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Mar 24, 1998 · N1770A · Substantial damage
  > The pilot's failure to maintain adequate crosswind correction during landing. A factor was a crosswind.
- [NTSB FTW97LA368](https://openairdocs.org/ntsb/FTW97LA368.md): Bellanca 7KCAB · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Sep 19, 1997 · N88314 · Substantial damage
  > failure of the right main landing gear due to multiple fatigue cracks.
- [NTSB MIA97LA253](https://openairdocs.org/ntsb/MIA97LA253.md): Cessna 411 · Williston, FL · Accident · No injuries · Limited investigation · Final report · Sep 13, 1997 · N12WT · Substantial damage
  > the pilot-in-command's excessive taxi speed.
- [NTSB FTW97LA334](https://openairdocs.org/ntsb/FTW97LA334.md): Beech E90 · Albuquerque, NM · Accident · No injuries · Limited investigation · Final report · Aug 31, 1997 · N16NM · Substantial damage
  > Fatigue failure of the right main landing gear retraction/extension torque tube.
- [NTSB ANC97LA120](https://openairdocs.org/ntsb/ANC97LA120.md): Cessna 185 · Chickaloon, AK · Accident · No injuries · Limited investigation · Final report · Aug 9, 1997 · N5246E · Substantial damage
  > inadequate maintenance inspection and failure of the left main landing gear attachment due to fatigue. A factor was continuous use of the airplane for rough area, off-airport landings.
- [NTSB NYC97LA157](https://openairdocs.org/ntsb/NYC97LA157.md): Champion 7ECA · Easton, MD · Accident · No injuries · Limited investigation · Final report · Aug 3, 1997 · N4178Y · Substantial damage
  > an inadequate weld repair, which resulted in insufficient structural strength of the left main gear.
- [NTSB ANC97LA111](https://openairdocs.org/ntsb/ANC97LA111.md): Cessna 180 · Umiat, AK · Accident · No injuries · Limited investigation · Final report · Jul 24, 1997 · N2707X · Substantial damage
  > The collapse of the right main landing gear while taxiing to parking.
- [NTSB CHI97LA219](https://openairdocs.org/ntsb/CHI97LA219.md): Weatherly 201C · Stephen, MN · Accident · No injuries · Limited investigation · Final report · Jul 18, 1997 · N9054W · Substantial damage
  > the pilot's exceeding the design stress limits of the aircraft. A factor was the crosswind.
- [NTSB ANC97LA104](https://openairdocs.org/ntsb/ANC97LA104.md): Piper PA-18 · Gakona, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 1997 · N83675 · Substantial damage
  > The pilot's selection of unsuitable terrain for landing.
- [NTSB CHI97IA205](https://openairdocs.org/ntsb/CHI97IA205.md): Boeing B-727-200 · Indianapolis, IN · Incident · No injuries · Incident investigation · Final report · Jul 9, 1997 · N770AT · Minor damage
  > the improper installation of the incorrect spherical bearing by the company's maintenance personnel. A factor was the improper plating of the trunnion with chromium by the landing gear overhaul facility.
- [NTSB FTW97FA255](https://openairdocs.org/ntsb/FTW97FA255.md): Boeing 727-247 · Albuquerque, NM · Accident · Minor injuries · Field investigation · Final report · Jul 6, 1997 · N2809W · Substantial damage
  > The inadequate inspection of the right main landing gear forward trunnion bearing support fitting. Factors were the failure of the right main landing gear forward trunnion bearing support fitting and the subsequent right main landing gear failure.
- [NTSB FTW97LA239](https://openairdocs.org/ntsb/FTW97LA239.md): Cessna 210 · Peyton, CO · Accident · No injuries · Limited investigation · Final report · Jun 27, 1997 · N9417T · Substantial damage
  > Failure of both pilots to assure the landing gear was down and locked.
- [NTSB SEA97LA091](https://openairdocs.org/ntsb/SEA97LA091.md): Beech 65-A90 · West Jordan, UT · Accident · No injuries · Limited investigation · Final report · Apr 19, 1997 · N616AS · Substantial damage
  > landing gear collapsed for undetermined reasons.
- [NTSB CHI97LA098](https://openairdocs.org/ntsb/CHI97LA098.md): Piper PA-28-161 · Lafayette, IN · Accident · No injuries · Limited investigation · Final report · Apr 3, 1997 · N6148H · Substantial damage
  > a fatigue failure of the fight main landing gear strut/spar attachment screws.
- [NTSB CHI97LA094](https://openairdocs.org/ntsb/CHI97LA094.md): Cessna 195 · Cedar Rapids, IA · Accident · No injuries · Limited investigation · Final report · Mar 27, 1997 · N4666T · Substantial damage
  > overload failure of the left main landing gear for undetermined reason(s). A factor associated with the accident was the gusty crosswind condition.
- [NTSB ANC97LA039](https://openairdocs.org/ntsb/ANC97LA039.md): Piper PA-18 · Chugiak, AK · Accident · No injuries · Limited investigation · Final report · Mar 27, 1997 · N4055Z · Substantial damage
  > the pilot's selection of an unsuitable landing site.
- [NTSB LAX97LA095](https://openairdocs.org/ntsb/LAX97LA095.md): Cessna 172RG · Corona, CA · Accident · No injuries · Limited investigation · Final report · Jan 28, 1997 · N80138 · Substantial damage
  > Failure of the pilot in command to follow the airplane's before landing checklist and verify the landing gear was fully extended before landing. Factors in the accident were anxiety and diversion of the pilot's attention due to fuel gauge readings.
- [NTSB FTW97LA076](https://openairdocs.org/ntsb/FTW97LA076.md): Cessna 140A · Albuquerque, NM · Accident · No injuries · Limited investigation · Final report · Jan 4, 1997 · N3799V · Substantial damage
  > The fracture of the right main landing gear for an undetermined reason.
- [NTSB CHI97IA031](https://openairdocs.org/ntsb/CHI97IA031.md): ATR 42 · Covington, KY · Incident · No injuries · Incident investigation · Final report · Nov 20, 1996 · N47AE · Minor damage
  > improper use of procedures by maintenance personnel at an overhaul facility during overhaul of the landing gear, allowing corrosion to occur on the barrel lugs of the landing gear, which subsequently led to fatigue cracking of the lugs and eventual collapse…
- [NTSB CHI96LA305](https://openairdocs.org/ntsb/CHI96LA305.md): Taylorcraft 19 · Shakopee, MN · Accident · No injuries · Limited investigation · Final report · Aug 18, 1996 · N6630N · Substantial damage
  > failure of the right main landing gear shock strut due to internal corrosion. The restriction to inspection of the strut was a related factor.
- [NTSB SEA96LA197](https://openairdocs.org/ntsb/SEA96LA197.md): Piper PA-22-150 · Challis, ID · Accident · No injuries · Limited investigation · Final report · Aug 13, 1996 · N7507D · Substantial damage
  > corrosion in the left main landing gear cluster, which resulted in a failure of the left main landing gear. Inadequate inspection by undetermined maintenance personnel was a related factor.
- [NTSB LAX96LA260](https://openairdocs.org/ntsb/LAX96LA260.md): Cessna P210N · San Bernardino, CA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1996 · N4844K · Substantial damage
  > failure of the landing gear to go and/or remain in a down-and-locked condition for undetermined reason(s).
- [NTSB CHI96LA219](https://openairdocs.org/ntsb/CHI96LA219.md): Navion NA1 · Evansville, IN · Accident · No injuries · Limited investigation · Final report · Jun 26, 1996 · N4096K · Substantial damage
  > the pilot did not maintain control of the aircraft during landing roll.
- [NTSB NYC96LA108](https://openairdocs.org/ntsb/NYC96LA108.md): Piper J3C-65 · Kittanning, PA · Accident · No injuries · Limited investigation · Final report · May 10, 1996 · N22946 · Substantial damage
  > the pilot's inadequate inflight planning/decision and improper fuel management, which resulted in a precautionary landing on unsuitable terrain.
- [NTSB CHI96IA125](https://openairdocs.org/ntsb/CHI96IA125.md): ATR 42 · Traverse City, MI · Incident · No injuries · Incident investigation · Final report · Apr 3, 1996 · N421MQ · Minor damage
  > improper use of procedures by maintenance personnel at an overhaul facility during overhaul of the landing gear, allowing corrosion to occur on the barrel lugs of the landing gear, which subsequently led to fatigue cracking of the lugs and eventual collapse…
- [NTSB ANC96LA030](https://openairdocs.org/ntsb/ANC96LA030.md): Cessna 185F · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Mar 4, 1996 · N5246E · Substantial damage
  > the pilot's selection of an unsuitable area for landing. A factor associated with the accident was the rough and uneven terrain.
- [NTSB MIA96LA076](https://openairdocs.org/ntsb/MIA96LA076.md): Cessna 310L · Auburn, AL · Accident · No injuries · Limited investigation · Final report · Feb 8, 1996 · N2201F · Substantial damage
  > an overstress failure of the left main gear side brace lock end fitting for undetermined reasons.
- [NTSB FTW96LA064](https://openairdocs.org/ntsb/FTW96LA064.md): Cessna 310D · Fort Worth, TX · Accident · No injuries · Limited investigation · Final report · Dec 9, 1995 · N6925T · Substantial damage
  > Failure of the left main landing gear strut at the fork weld.
- [NTSB SEA95LA204](https://openairdocs.org/ntsb/SEA95LA204.md): Stinson 108-1 · Corvallis, OR · Accident · No injuries · Limited investigation · Final report · Sep 4, 1995 · N8865K · Substantial damage
  > Shearing of the right main landing gear shock strut retainer cap retaining pins.
- [NTSB NYC95LA201](https://openairdocs.org/ntsb/NYC95LA201.md): Cessna 310B · Monticello, NY · Accident · No injuries · Limited investigation · Final report · Aug 21, 1995 · N661R · Substantial damage
  > fatigue failure of the right main landing gear during the landing, which resulted in a gear collapse, loss of directional control, and subsequent collision with an embankment.
- [NTSB NYC95LA170](https://openairdocs.org/ntsb/NYC95LA170.md): Hughes 269B · Honesdale, PA · Accident · No injuries · Limited investigation · Final report · Jul 22, 1995 · N9483F · Destroyed
  > Corrosion and subsequent failure of the attaching lugs for the left (4H) shock strut assembly, which resulted in collapse of the landing gear/skid.
- [NTSB LAX95LA251](https://openairdocs.org/ntsb/LAX95LA251.md): Mooney M-20-M · Santa Monica, CA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1995 · N200CT · Substantial damage
  > the pilot's improper remedial action during an aborted takeoff due to an improperly installed pitot line to the airspeed indicator.
- [NTSB NYC95IA106](https://openairdocs.org/ntsb/NYC95IA106.md): Douglas DC-8-71 · Louisville, KY · Incident · No injuries · Incident investigation · Final report · May 13, 1995 · N707UP · Minor damage
  > preexisting crack(s) on the inside surface of the right main landing gear cylinder, and the subsequent fracture of the cylinder, which resulted in a collapse of the right main landing gear.
- [NTSB CHI95LA147](https://openairdocs.org/ntsb/CHI95LA147.md): Cessna 172M · Brooklyn, MI · Accident · No injuries · Limited investigation · Final report · May 6, 1995 · N9347H · Substantial damage
  > Fatigue failure of the left main landing gear. Factors relating to the accident were: the pilot's improper flare for landing, and soft terrain.
- [NTSB LAX95LA152](https://openairdocs.org/ntsb/LAX95LA152.md): American Champion 8KCAB · Long Beach, CA · Accident · No injuries · Limited investigation · Final report · Apr 1, 1995 · N111LS · Substantial damage
  > the failure and collapse of the left main landing gear due to a defective and improper weld by the manufacturer.
- [NTSB MIA95IA077](https://openairdocs.org/ntsb/MIA95IA077.md): Short Brothers SD3-60 · St. Thomas · Incident · No injuries · Incident investigation · Final report · Feb 18, 1995 · N376MQ · Minor damage
  > Inadequate application of sealant on the right main landing gear shock absorber cylinder nut, and inadequate quality control by the manufacturer.
- [NTSB CHI95LA073](https://openairdocs.org/ntsb/CHI95LA073.md): Cessna 421C · Angola, IN · Accident · No injuries · Limited investigation · Final report · Jan 21, 1995 · N421AW · Substantial damage
  > Overload failure of the right main landing gear shock strut sleeve for an unknown reason.

Next page: https://openairdocs.org/ntsb.md?occurrence=191&page=3

## 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" = 191)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=191&page=2

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