# NTSB investigations: Lake LA-4: Dragged wing,rotor,pod,float or tail/skid

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 CHI99LA339](https://openairdocs.org/ntsb/CHI99LA339.md): Lake LA-4 · Ann Arbor, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 1999 · N1137L · Substantial damage
  > The pilot's improper touchdown during a water landing.
- [NTSB NYC91LA243](https://openairdocs.org/ntsb/NYC91LA243.md): Lake LA-4 · Wilton, ME · Accident · No injuries · Limited investigation · Final report · Sep 21, 1991 · N1012L · Substantial damage
  > The pilot's improper recovery from a bounced landing on rough water which resulted in the right wing tip contacting the water causing the airplane to nose over and sink. Factors related to the accident were, the pilot's low time and experience in this type…

## 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.aircraft_model_code IN ('5110302')
    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" = 160))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5110302&occurrence=160

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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.