# NTSB investigations: Lake LA-4, MI

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 CHI08CA298](https://openairdocs.org/ntsb/CHI08CA298.md): Lake LA-4 · Algonac, MI · Accident · No injuries · Data collection · Final report · Aug 23, 2008 · N1147L · Substantial damage
  > The amphibious airplane's collision with submerged debris during taxi for takeoff, and the resulting damage to the hull.
- [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 CHI75FEC59](https://openairdocs.org/ntsb/CHI75FEC59.md): Lake LA-4 · E Lansing, MI · Accident · No injuries · Closed · Jun 18, 1975 · N2019L · Substantial damage
- [NTSB CHI69D0648](https://openairdocs.org/ntsb/CHI69D0648.md): Lake LA-4 · Detroit, MI · Accident · No injuries · Closed · May 23, 1969 · N7610L · Substantial damage
- [NTSB CHI69F0396](https://openairdocs.org/ntsb/CHI69F0396.md): Lake LA-4 · Hickory Crnr, MI · Accident · No injuries · Closed · Dec 11, 1968 · N2030L · Substantial damage

## 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" = 'MI' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5110302'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.