# NTSB investigations: Lycoming 0-320 series, 2011, CT

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 ERA11IA320](https://openairdocs.org/ntsb/ERA11IA320.md): Robinson Helicopter R22 Mariner · Redding, CT · Incident · No injuries · Incident investigation · Final report · May 29, 2011 · N8313E · No damage
  > The pilot's inadequate helicopter preflight inspection and the mechanic’s inadequate annual inspection, both of which failed to detect a worn bolt in the tail rotor teeter hinge prior to its fracture due to fatigue.
- [NTSB ERA11LA264](https://openairdocs.org/ntsb/ERA11LA264.md): Piper PA-28-161 · Meriden, CT · Accident · No injuries · Limited investigation · Final report · Apr 22, 2011 · N2838D · Substantial damage
  > Maintenance personnel's inadequate inspection of the main landing gear, which resulted in a failure of the right main landing gear’s inboard torque link lug due to a fatigue fracture. Contributing to the accident was owner's lack of compliance with a factory…
- [NTSB ERA11CA187](https://openairdocs.org/ntsb/ERA11CA187.md): Piper PA-28-161 · Oxford, CT · Accident · No injuries · Data collection · Final report · Mar 12, 2011 · N2838D · Substantial damage
  > The student pilot's inadequate landing flare and the certified flight instructor's inadequate remedial action, resulting in a hard landing.
- [NTSB ERA11CA138](https://openairdocs.org/ntsb/ERA11CA138.md): Cessna 172 · Meriden, CT · Accident · No injuries · Data collection · Final report · Feb 7, 2011 · N9622Q · Substantial damage
  > The student pilot's loss of directional control during the landing rollout, resulting in a runway excursion.

## 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") = 2011
  AND c."eventStateOrRegion" = 'CT' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41508&state=CT&year=2011

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