Casualties unknown

Floatplane Accident on Lake Following Overweight Takeoff (N4613Z)

White Lake, NY, US

On August 12, 1988, a Cessna TU206G (registration N4613Z) operated by William F. Addington was involved in an aviation accident near White Lake, NY. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-07-04Data APIEditorial standards

A float-equipped aircraft, after multiple takeoff attempts, crashed into a lake after turning into an inlet with insufficient room. The aircraft was 80-250 lbs over gross weight. Both occupants were rescued within minutes.

Accident Sequence

A float-equipped aircraft made multiple takeoff attempts on a lake, becoming airborne at least once prior to the accident. On the takeoff run that ended in the accident, the pilot turned into an inlet after becoming airborne with insufficient room to turn the aircraft around. Witnesses reported that the engine sounded good. The aircraft then started a left turn, and the nose was observed to fall through the horizon, with the aircraft making contact with the water in a nose-low, left-wing-low attitude.

Rescue

Rescuers removed both occupants from the submerged aircraft within 5 to 10 minutes after the accident. Both occupants were wearing seat belts, but the shoulder harnesses were not used.

Weight

The aircraft was determined to be between 80 and 250 pounds over its maximum gross weight at takeoff.

Frequently asked questions

What happened in the 12 Aug 1988 Cessna TU206G accident near White Lake, NY?

A float-equipped aircraft, after multiple takeoff attempts, crashed into a lake after turning into an inlet with insufficient room. The aircraft was 80-250 lbs over gross weight. Both occupants were rescued within minutes.

What aircraft was involved and where did it happen?

The accident on 12 Aug 1988 involved a Cessna TU206G, registration N4613Z, operated by William F. Addington, at White Lake, NY.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001213X26671. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.