Pinned in DebrisThe two young men were pinned in the debris of the single-engine Piper Cherokee when a group of searchers led by Mrs. Morgan found them at about 9:30 this morning. With Mrs. Morgan were Allen Anthony and Ralph Cormier, both of Hinsdale.It took them l*/2 hours to fight their way out of the brush to reach the home of Daniel Delo-rey on Washington Mountain Road.Mazika and McNamee were described by Mrs. Morgan as “seriously hurt.” One, she said, probably has a broken back. “He couldn't move at all,” she said.Pilot Breen told police this morning that the plane had crashed at about 8 p.m. A pilot for North Central Airways in Pawtucket H I., Breen had left the airport in North Smithfield, R.I., heading for Watertown, N.Y. He was reported overdue in the northern New York city at 9:45 p.m.Heavily OvercastHe told officials the sky was heavily overcast and it was raining when the accident occurred. The beacon on top of October Mountain has been out of commission for several months.About 25 searchers beat through the woods during the morning to find the plane and the remaining survivors. Since they were not in radio contact with the state police a tense ring of watchers at the foot of Beach Road had to wait until almost 11 a.m. to hear the news. The first man to come out of the woods was Anthony, who telephoned the state police from the Delorcy home.The men were looking through tangled underbrush and overgrown woods in about a seven-square mile area ringed by Beach Road, Route 8, Frost Road and Washington Mountain Road. Several men drove their