NTSB Identification: ANC00LA001.
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Accident occurred Sunday, October 03, 1999 in ANCHORAGE, AK
Probable Cause Approval Date: 05/17/2001
Aircraft: Bellanca 7GCBC, registration: N4156Y
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The certificated private pilot, with one passenger aboard, was departing from the Lake Hood Airstrip. As the airplane climbed to about 100 feet above the runway, all engine power was lost. The airplane landed in an area of tundra-covered marsh, just off the end of the departure runway. During the landing roll, the airplane's main wheels contacted the soft, boggy terrain, and the airplane nosed over. A postaccident inspection of the airplane's carburetor revealed about 10cc of rusty-colored fluid, along with clean fuel in the airplane's carburetor float bowl. The rusty-colored fluid tested positive for water, when tested with water detection paste. The fluid sample was released to the accident pilot at his request. The accident pilot reported that the fluid contained therapeutic levels of fluoride, commonly found in tap water. The pilot did not submit the test results report to the NTSB.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The pilot's inadequate preflight inspection to remove all contaminated fuel from the fuel system. A factor associated with the accident was an unsuitable terrain condition for landing.

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