Incident Overview
A pilot operating under visual flight rules (VFR) flew his airplane into a marsh approximately 3.8 nautical miles from Fond du Lac Airport, according to an official investigation. The aircraft impacted terrain on a heading of about 300 degrees from the airport.
Pre-Flight Activities
The pilot obtained two weather briefings earlier in the day: one at 1118 CST and another at 1718 CST. In both briefings, he was advised that VFR flight was not recommended. Despite this, he activated his VFR flight plan at 1839 CST and made no further radio contacts afterward.
Pilot Experience
Records show the pilot had accumulated a total of 2.8 hours of night flying experience during the preceding nine months.
Witness Account
A local witness provided a detailed account of the weather conditions at the time of the accident. At 2130 CST, there was a "slight covering of snow but not real windy." However, by 2230 CST, conditions had deteriorated significantly. The witness reported: "...wind was howling. Visibility was very low. Could hardly see the yard light 150 feet away. Winds were strong, 25 to 30 miles per hour. Snowing pretty good. Light pole was blurred. 35 feet tall...."
Accident Location
The airplane came to rest in a marsh. The specific location was measured as 3.8 nautical miles from Fond du Lac Airport on a bearing of 300 degrees.
Investigation
No probable cause has been stated in the source material.