# NTSB investigations, TN: Gear not extended

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 ATL93FA021](https://openairdocs.org/ntsb/ATL93FA021.md): Hawker Siddeley DH.125-400A · Nashville, TN · Accident · No injuries · Field investigation · Final report · Nov 7, 1992 · N125HG · Substantial damage
  > The company mechanic's improper preflight of the aircraft, resulting in a foreign object (flashlight) being left in the nose gear well.
- [NTSB ATL90LA053](https://openairdocs.org/ntsb/ATL90LA053.md): Mitsubishi MU2B-20 · Nashville, TN · Accident · No injuries · Limited investigation · Final report · Jan 23, 1990 · N40RP · Substantial damage
  > Inadequate maintenance adjustment of the landing gear system which resulted in the jamming of the left gear door.
- [NTSB ATL88LA005](https://openairdocs.org/ntsb/ATL88LA005.md): Piper PA-24-180 · Collegedale, TN · Accident · No injuries · Limited investigation · Final report · Oct 8, 1987 · N5988P · Substantial damage
  > The airplane touched down while the ldg gear were extending. A witness reported that the acft began the ldg flare with the gear completely retracted, and that the gear began to extend when the airplane was 3-4 ft above the rwy. The main ldg gear contacted 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" = 196)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=196&state=TN

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
