# NTSB investigations, 1997: 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 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.

## 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") = 1997
  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=1997

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