# NTSB ANC86LA062: Lake LA-4-200, N6190V, Lake Clark, AK, May 24, 1986

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: May 24, 1986, 00:00 local (08:00 UTC)
- Place: Lake Clark, AK
- Phase of flight: [Other](https://openairdocs.org/ntsb-phases/800) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4666
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA062
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4666/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA062

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Missing aircraft, other
  - reason for occurrence undetermined (cause)

## Analysis

THE AIRCRAFT CRASHED IN LAKE CLARK, ALASKA, AND SANK INTO 170 FEET OF WATER. THERE WERE NO WITNESSES TO THE ACCIDENT; THE AIRCRAFT WAS NOT RECOVERED.

## Aircraft

- Registration: [N6190V](https://openairdocs.org/deregistered/N6190V-2013-07-02), registration cancelled 2013-07-02, S/N 843, built 1977 (OpenAirDocs)
- Reported make and model: LAKE LA-4-200
- Registry model: [Consolidated Aeronautics LAKE LA-4-200](https://openairdocs.org/model/consolidated-aeronautics-lake-la-4-200) (registry code 2400108) (OpenAirDocs)
- Registry engine: [Lycoming I0360 SER A&C](https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (registry code 41511, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 843
- Airframe hours: 995
- Engines: LYCOMING IO-360-A1B 200 horsepower reciprocating
- Damage: Destroyed
- Fire: Unknown
- Flight: Personal, Part 91
- Operator: Jay A. Ofsthun
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, May 3, 1986, 6 hours before
- Departed: MRI, ANCHORAGE, AK
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; private; airplane ratings: single-engine land, single-engine sea; medical: class 2, valid medical--no waivers/lim.; seat: left; toxicology performed

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 61 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19860524019409A](https://openairdocs.org/incident/19860524019409A), May 24, 1986: Conaer LA4200, Lake Clark, AK, Destroyed, 2 fatal. Impacted water of lake charles and sank. Bodies recovered, but not aircraft. No cause determined.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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