At about 1830 eastern time, a Cessna 172K struck trees during the takeoff roll from McCardle Farm Airport. The student pilot was not injured. The pilot said he applied full power and the airplane yawed left, departed the left side of the runway, went down an embankment, and struck several trees. The students last 90-day endorsement was approximately 1 year before the accident. He flew five to 10 hours a year, with the majority of his flying out of the accident airport. His last flight was in October 2002, when he flew about an hour, and completed five takeoff and landings at the accident airport. His last medical certificate was issued 3 years and 7 months before the accident.