# Fatal NTSB investigations: Lake LA-4-200

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 IAD96FA074](https://openairdocs.org/ntsb/IAD96FA074.md): Lake LA-4-200 · Sunapee, NH · Accident · 1 fatal · Field investigation · Final report · May 9, 1996 · N5040L · Destroyed
  > the pilot's failure to maintain control of the airplane. Factors in this accident were: the pilot's lack of currency in type and model airplane, and not following the requirement for the pilot to have a flight instructor onboard during water landings.
- [NTSB SEA93FA091](https://openairdocs.org/ntsb/SEA93FA091.md): Lake LA-4-200 · Gold Bar, WA · Accident · 4 fatal · Field investigation · Final report · Apr 4, 1993 · N39375 · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering for a water landing.
- [NTSB SEA89FA068](https://openairdocs.org/ntsb/SEA89FA068.md): Lake LA-4-200-EP · Bellevue, WA · Accident · 2 fatal · Field investigation · Final report · Apr 12, 1989 · N8521Z · Destroyed
  > Loss of engine power for an undetermined reason and failure of the instructor pilot (CFI) to maintain control of the aircraft, which resulted in a stall/spin.
- [NTSB ANC87FA140](https://openairdocs.org/ntsb/ANC87FA140.md): Lake LA-4-200 · Coal Lake, AK · Accident · 1 fatal · Field investigation · Final report · Sep 5, 1987 · N39450 · Destroyed
  > The pilot of the airplane stated that he had step-taxied to the east end of the Lake in preparation for a takeoff to the west. During the take off run, the airplane struck the wake he had just created and became prematurely airborne. He reduced power in an…
- [NTSB DEN83FA150](https://openairdocs.org/ntsb/DEN83FA150.md): Lake LA-4-200 · Gillette, WY · Accident · 1 fatal · Field investigation · Final report · Jun 23, 1983 · N6029V · Destroyed
  > The plt had recently purchased the acft. While on a x-country trip, he landed at an arpt with an elevation of 4363 ft & refueled. When he was taking off, the density alt was aprx 7089 ft & the acft was near its max gross wt limit. Shortly after lift-off, the…
- [NTSB SEA80FA040](https://openairdocs.org/ntsb/SEA80FA040.md): Aerofab LA-4-2 · Cascade Locks, OR · Accident · 4 fatal · Closed · Aug 9, 1980 · N65640 · Destroyed
- [NTSB ANC76AA046](https://openairdocs.org/ntsb/ANC76AA046.md): Lake LA-4 · Skagway, AK · Accident · 2 fatal · Closed · Oct 17, 1975 · N5037L · Destroyed
- [NTSB MIA74AM054](https://openairdocs.org/ntsb/MIA74AM054.md): Lake L4-200 · Bimini, Burkina Faso · Accident · 3 fatal · Closed · Dec 20, 1973 · N39385 · Destroyed

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5110310'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=5110310

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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.