# NTSB investigations: Aerofab LAKE LA-4-250

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 ERA22LA090](https://openairdocs.org/ntsb/ERA22LA090.md): Aerofab Lake LA-4-250 · Auburndale, FL · Accident · 2 fatal · Class 3 · Limited · Final report · Dec 17, 2021 · N1402C · Destroyed
  > A bird strike, which resulted in a loss of control while flying at low altitude over a lake.
- [NTSB CEN17FA287](https://openairdocs.org/ntsb/CEN17FA287.md): Aerofab Lake LA 4 250 · Oshkosh, WI · Accident · 2 fatal · Field investigation · Final report · Jul 28, 2017 · N1400P · Substantial damage
  > The pilot's failure to properly configure the airplane for takeoff and his decision to takeoff with a tailwind in unfavorable water conditions, which resulted in the airplane entering an aerodynamic stall and the pilot losing control.
- [NTSB ERA15FA348](https://openairdocs.org/ntsb/ERA15FA348.md): Aerofab Lake LA-4-250 · Somerset, NJ · Accident · 1 fatal · Field investigation · Final report · Sep 9, 2015 · N1401P · Destroyed
  > The pilot's attempted 180-degree return to the runway immediately after takeoff in dark night conditions, which resulted in collision with trees and terrain. Also causal was the pilot's inadequate preflight inspection, which resulted in a takeoff with…
- [NTSB IAD99FA025](https://openairdocs.org/ntsb/IAD99FA025.md): Lake LA-4-250 · Laconia, NH · Accident · 1 fatal · Field investigation · Final report · Jan 4, 1999 · N14001 · Destroyed
  > A loss of engine power during initial climb due to oil starvation. Contributing to the accident was the failure to perform an engine overhaul.
- [NTSB ATL98LA100](https://openairdocs.org/ntsb/ATL98LA100.md): Aerofab Lake LA-4-250 · Wise, NC · Accident · No injuries · Limited investigation · Final report · Jul 4, 1998 · N1401P · Substantial damage
  > The pilot's improper turn during the takeoff that resulted in dragging the sponson. A factor was the rough water caused by the boat wake.
- [NTSB SEA90LA147](https://openairdocs.org/ntsb/SEA90LA147.md): Lake LA-250 · Rawlins, WY · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 1990 · N14004 · Substantial damage
  > Pilot's improper planning/decision, and his misjudgement of the aircraft's climb capability in conditions of high density altitude and unanticipated atmospheric conditions. The high density altitude and rising terrain were related factors.
- [NTSB MIA85FA261](https://openairdocs.org/ntsb/MIA85FA261.md): Aerofab Lake LA-4-250 · Medley, FL · Accident · Serious injuries · Field investigation · Final report · Sep 23, 1985 · N1401K · Substantial damage
  > The non seaplane rated plt whose airman certificate was under suspension. Attempted a downwind take-off from an intermediate point on the lake's surface. The plt stated he thought the non seaplane rated plt/pax attempted to abort the take-off by closing the…

## 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 ('5110320'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5110320

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