# NTSB investigations: Lycoming TI0-540 series, CT: In flight collision with object

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 NYC05LA040](https://openairdocs.org/ntsb/NYC05LA040.md): Piper PA-46-350P · Hartford, CT · Accident · No injuries · Limited investigation · Final report · Dec 22, 2004 · N714KL · Substantial damage
  > The pilot's failure to maintain adequate clearance from trees during the approach to the runway. A factor related to the accident was the nighttime conditions.
- [NTSB NYC92LA020](https://openairdocs.org/ntsb/NYC92LA020.md): Piper PA-23-250 · Groton, CT · Accident · Serious injuries · Limited investigation · Final report · Oct 27, 1991 · N14256 · Substantial damage
  > The pilot's failure to maintain the minimum descent altitude during the approach. A factor was pilot fatigue.
- [NTSB NYC90FA011](https://openairdocs.org/ntsb/NYC90FA011.md): Piper PA-32-300 · Glastonbury, CT · Accident · 2 fatal · Field investigation · Final report · Oct 11, 1989 · N4106W · Substantial damage
  > The pilot-in-command's failure to maintain adequate altitude control during maneuvering flight. Contributing to the accident was the failure of the airplane's electrical system and the pilot's operation at night, without emergency lighting (flashlight).

## 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" = '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 ('41533')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 220))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41533&occurrence=220&state=CT

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