# NTSB investigations, 1993: 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.

## Latest cases

- [NTSB NYC94LA026](https://openairdocs.org/ntsb/NYC94LA026.md): Piper PA-602P · Falls Of Rough, KY · Accident · No injuries · Limited investigation · Final report · Oct 24, 1993 · N6891M · Substantial damage
  > The pilot's inadequate visual lookout prior to entering the runway, resulting in a taxi off the runway to avoid conflict, onto soft terrain, and the subsequent collapse of the landing gear.
- [NTSB ANC94LA012](https://openairdocs.org/ntsb/ANC94LA012.md): Piper PA-18 · Haines, AK · Accident · No injuries · Limited investigation · Final report · Oct 5, 1993 · N5285J · Substantial damage
  > Fatigue failure in a weld on the right main landing gear oleo strut tubing.
- [NTSB ATL93LA164](https://openairdocs.org/ntsb/ATL93LA164.md): Cessna 210 · Smyrna, TN · Accident · No injuries · Limited investigation · Final report · Sep 28, 1993 · N9640T · Substantial damage
  > The inadequate maintenance of the taxiway.
- [NTSB ANC93LA154](https://openairdocs.org/ntsb/ANC93LA154.md): Helio H-295 · Mt. Deborah, AK · Accident · No injuries · Limited investigation · Final report · Aug 15, 1993 · N42DC · Substantial damage
  > Failure of the right main landing gear leg due to the improper major repair performed on the gear leg by some unknown maintenance person(s).
- [NTSB FTW93LA223](https://openairdocs.org/ntsb/FTW93LA223.md): Beech 35-33 · Guymon, OK · Accident · No injuries · Limited investigation · Final report · Aug 1, 1993 · N864R · Substantial damage
  > The pilot's inadequate compensation for wind conditions. Factors were windshear and gusty crosswinds.
- [NTSB LAX93LA306](https://openairdocs.org/ntsb/LAX93LA306.md): Ayres S-2R-T34 · Tulare, CA · Accident · No injuries · Limited investigation · Final report · Jul 29, 1993 · N4016B · Substantial damage
  > the failure of the main gear inner lower tube assembly due to fatigue.
- [NTSB SEA93LA159](https://openairdocs.org/ntsb/SEA93LA159.md): Bucker Flugzeugbau BU-131 · Arlington, WA · Accident · No injuries · Limited investigation · Final report · Jul 23, 1993 · N1XW · Substantial damage
  > The pilot's improper use of the brakes. The gusty, crosswind was a factor.
- [NTSB ATL93LA126](https://openairdocs.org/ntsb/ATL93LA126.md): Piper PA-25-260 · Bainbridge, GA · Accident · No injuries · Limited investigation · Final report · Jul 7, 1993 · N4874Y · Substantial damage
  > The failure of the landing gear axle.
- [NTSB SEA93LA148](https://openairdocs.org/ntsb/SEA93LA148.md): Cessna 414A · Seattle, WA · Accident · No injuries · Limited investigation · Final report · Jul 3, 1993 · N4735A · Substantial damage
  > The disengagement of the gear down-lock mechanism due to corrosion and the pilot's intentional operation of the aircraft with known deficiencies in equipment.
- [NTSB ANC93LA097](https://openairdocs.org/ntsb/ANC93LA097.md): Cessna 180 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jun 20, 1993 · N9968X · Substantial damage
  > Separation of the right main landing gear wheel.
- [NTSB SEA93LA133](https://openairdocs.org/ntsb/SEA93LA133.md): Piper PA-28-140 · Wendover, UT · Accident · No injuries · Limited investigation · Final report · Jun 19, 1993 · N7045R · Substantial damage
  > The student pilot's selection of a closed runway for landing. Factors contributing to the accident were the student pilot's anxiety and the rough landing surface.
- [NTSB ANC93LA090](https://openairdocs.org/ntsb/ANC93LA090.md): Cessna 402 · Kivalina, AK · Accident · No injuries · Limited investigation · Final report · Jun 12, 1993 · N222JA · Substantial damage
  > The failure of the pivot link for the downlock mechanism and the improper rigging of the landing gear locking mechanism by company maintenance personnel.
- [NTSB ANC93IA085](https://openairdocs.org/ntsb/ANC93IA085.md): Piper PA-31-350 · King Salmon, AK · Incident · No injuries · Incident investigation · Final report · May 26, 1993 · N3588Z · Minor damage
  > The failure of the main gear upper strut assembly due to stress corrosion.
- [NTSB ANC93LA086](https://openairdocs.org/ntsb/ANC93LA086.md): Cessna 185 · Barrow, AK · Accident · No injuries · Limited investigation · Final report · May 23, 1993 · N75LE · Substantial damage
  > The fatigue fracture of the main landing gear spring.
- [NTSB MIA93LA123](https://openairdocs.org/ntsb/MIA93LA123.md): Cessna 172RG · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · May 20, 1993 · N5338V · Substantial damage
  > The failure of the left main gear pivot assembly, resulting in the collapse of the left main landing gear during the landing rollout.
- [NTSB BFO93IA070](https://openairdocs.org/ntsb/BFO93IA070.md): Fokker F28-MK-0100 · Pittsburgh, PA · Incident · Minor injuries · Incident investigation · Final report · May 7, 1993 · N867US · Minor damage
  > The improper installation of the spacers by the mechanic and the unclear information supplied from the manufacturer and operator regarding the installation of the spacers.
- [NTSB FTW93LA144](https://openairdocs.org/ntsb/FTW93LA144.md): Grumman G-164A · Anahuac, TX · Accident · No injuries · Limited investigation · Final report · Apr 30, 1993 · N7485 · Substantial damage
  > Undetermined.
- [NTSB DEN93FA049](https://openairdocs.org/ntsb/DEN93FA049.md): Mcdonnell Douglas DC-9-82 · Denver, CO · Accident · Minor injuries · Field investigation · Final report · Apr 27, 1993 · N72822 · Substantial damage
  > A vibration in the right main landing gear, for undetermined reasons, which resulted in collapse of the right main gear. A factor was failure of the pilot in command to ensure deployment of the ground spoilers.
- [NTSB BFO93LA025](https://openairdocs.org/ntsb/BFO93LA025.md): Cessna 172RG · White Plains, NY · Accident · No injuries · Limited investigation · Final report · Feb 10, 1993 · N6433V · Substantial damage
  > The collapse of the left main landing gear for an undetermined reason.
- [NTSB MIA93LA063](https://openairdocs.org/ntsb/MIA93LA063.md): Bates Barracuda I · Bay St. Louis, MS · Accident · No injuries · Limited investigation · Final report · Feb 6, 1993 · N852DH · Destroyed
  > Undetermined due to the destruction of the airplane after the gear collapsed on landing.
- [NTSB ANC93LA032](https://openairdocs.org/ntsb/ANC93LA032.md): Cessna 180 · Elmendorf Afb, AK · Accident · No injuries · Limited investigation · Final report · Feb 6, 1993 · N3680C · Substantial damage
  > The pilot's excessive taxi speed. A factor which contributed to the accident was the snow covered surface.

## 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") = 1993
  AND 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&year=1993

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