Accident Overview
A single-engine aircraft departed an unattended island airport at sea level, heading south. The pilot flew into marginal visual flight rules (VFR) conditions with moderate snowfall. Acquaintances at the airport reported that the pilot had expressed an urgent need to return to Snohomish, Washington, despite the weather conditions. When the aircraft did not arrive at its destination, a search was initiated. The next day, a U.S. Coast Guard helicopter crew located the wreckage by homing on a weak emergency locator transmitter (ELT) signal.
Flight and Weather
An airline employee working outdoors south of the airport observed the aircraft during its initial climb. He reported that the aircraft appeared to be operating normally. He estimated the ceiling in that area was about 1,000 feet above ground level (AGL) with 3 miles visibility and moderate snowfall. The airport elevation was 25 feet. About 18 miles west, the weather was reported as: 400 feet partial obscuration, 1,300 feet broken, visibility 2.5 miles with snow, wind 270 degrees at 4 knots.
Wreckage and Impact
The aircraft struck trees on a knoll in mountainous terrain about 4 miles south-southwest of the departure airport. The impact occurred on a northerly heading at an elevation of about 1,400 feet mean sea level (MSL). The flap handle was found in the second notch. Examination of the wreckage revealed no evidence of preimpact part failure or malfunction.
Pilot Information
The pilot was not instrument rated. No other pilot qualifications or experience are stated in the source.
Investigation
The investigation did not determine a probable cause. No preimpact part failure or malfunction was evident.