# NTSB investigations: Lycoming 0-540F1 SERIE: 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 CHI06CA143](https://openairdocs.org/ntsb/CHI06CA143.md): Robinson R44 · Stapleton, NE · Accident · No injuries · Data collection · Final report · May 31, 2006 · N544LB · Substantial damage
  > The pilot not maintaining clearance fron the tree during landing. A factor was the tree.
- [NTSB MIA05CA133](https://openairdocs.org/ntsb/MIA05CA133.md): Robinson R44 · St. Cloud, FL · Accident · Minor injuries · Data collection · Final report · Jul 7, 2005 · N90SG · Substantial damage
  > The failure of the pilot to maintain clearance with a palm tree resulting in the in-flight collision with it, and subsequent uncontrolled descent and in-flight collision with the ground.
- [NTSB CHI04LA079](https://openairdocs.org/ntsb/CHI04LA079.md): Robinson R44 · Burlington, WI · Accident · No injuries · Limited investigation · Final report · Feb 28, 2004 · N7184G · Substantial damage
  > The pilot's inadequate visual lookout and his failure to obtain/maintain clearance from the transmission wire during the takeoff. Factors contributing to the accident were the transmission wire and the pole.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41531')
    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=41531&occurrence=220

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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.
