# NTSB SEA84LA145: Lake LA-4-200, N65627, Levenworth, WA, June 26, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 25, 1984, 17:45 local (Jun 26, 1984, 00:45 UTC)
- Place: Levenworth, WA
- Coordinates: 47.810176, -120.860671 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.8102&lon=-120.8607&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39946
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA84LA145
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39946/pdf
- Page: https://openairdocs.org/ntsb/SEA84LA145

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - aircraft preflight - inadequate, pilot in command (cause)
  - aircraft weight and balance - improper, pilot in command (cause)
  - aircraft handling - reduced, pilot in command (contributing factor)
  - aborted takeoff - attempted, pilot in command
  - stall - inadvertent, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - water,rough

## Analysis

THE AMPHIBIOUS ACFT STARTED TO 'PORPOISE' IN THE AIR AFTER TAKEOFF AND STALLED APRX 25 FT ABOVE WATER LEVEL. THE ACFT DRAGGED A WING, CRASHED AND SANK. THE PLT SAID THAT WATER IN THE HULL HAD CAUSED THE UNSTABLE CONDITION.

## Aircraft

- Registration: [N65627](https://openairdocs.org/deregistered/N65627-2013-04-30), registration cancelled 2013-04-30, S/N 571, built 1973 (OpenAirDocs)
- Reported make and model: LAKE LA-4-200
- Registry model: [Lake LA-4-200](https://openairdocs.org/model/lake-la-4-200) (registry code 5110310) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 571
- Airframe hours: 747
- Engines: LYCOMING IO-360-A1B 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Larry B. Johnson
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 22, 1984, 2 hours before
- Airport: Wenatchee Lake

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; private; airplane ratings: single-engine sea, single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: front; flight hours: 656 total, 40 in this make and model, 600 as pilot in command, 4 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 75 °F, dew point 52 °F
- Altimeter: 29.00 inHg

## 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 19840625027249A](https://openairdocs.org/incident/19840625027249A), Jun 25, 1984: Conaer LA4200, Levenworth, WA, Substantial damage. Aircraft porpoised during takeoff. Pilot pulled aircraft up and aircraft stalled and crashed.

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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