# NTSB investigations, TN: 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 MIA00IA104](https://openairdocs.org/ntsb/MIA00IA104.md): Beech 58 · Memphis, TN · Incident · No injuries · Incident investigation · Final report · Mar 14, 2000 · N225TA · Minor damage
  > failure of the right main landing gear's dynamic brake relay, that resulted in the motor driving the gearbox past prescribed limits, resulting in a bent connecting rod, and failure of the gear to extend.
- [NTSB MIA99LA236](https://openairdocs.org/ntsb/MIA99LA236.md): Michael L. Luckey Sportsman 2 + 2 · Grand Junction, TN · Accident · Minor injuries · Limited investigation · Final report · Aug 22, 1999 · N116ML · Substantial damage
  > The improper spoiler extension by the passenger following the bounced landing, which resulted in the hard landing and collapse of the left main landing gear.
- [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 ATL93LA011](https://openairdocs.org/ntsb/ATL93LA011.md): Cessna 172RG · Clarksville, TN · Accident · No injuries · Limited investigation · Final report · Oct 15, 1992 · N9797B · Substantial damage
  > The fracture of the section gear in the main landing gear retraction and extension mechanism.
- [NTSB ATL86IA054](https://openairdocs.org/ntsb/ATL86IA054.md): Boeing 727-232 · Memphis, TN · Incident · No injuries · Incident investigation · Final report · Jan 9, 1986 · N403DA · Minor damage
  > The aircrew rprtd that when the landing gear was retracted after takeoff, the l main gear indicated unsafe & there was an unsafe door indication. They recycled the gear, but observed the same indications. The gear handle was then put in the neutral psn & the…

## 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."eventStateOrRegion" = 'TN' AND c."eventCountry" = 'USA'
  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&state=TN

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