Sanbornton, New Hampshire – October 8, 1982
Shortly before 9:30 p.m. on the night of October 8, 1982, a single-engine Piper Cherokee with four persons aboard was approaching Laconia Municipal Airport in a rainstorm when it suddenly disappeared from radar. A search was begun, and the aircraft was located the following day in a thickly wooded section of the neighboring town of Sanbornton. All four people aboard perished in the crash.
Source:
Providence Sunday Journal, “N.H. Airplane Crash Kills 4 In Rainstorm”, October 10, 1982.