At about 1400 local time, the twin-engine floatplane was substantially damaged after colliding with trees while on approach to Massapoag Lake in Sharon, Mass. The solo Private pilot was fatally injured. According to the FAA, the pilot diverted to Massapoag Lake for unknown reasons. While on approach, the airplane struck trees and impacted a swamp area. Wind reported at a nearby airport was from 13 knots with gusts to 20 knots.