 On August 10, 1968, Piedmont Flight 230 was on an ILS localizer only approach to Charleston-Kanawha County Airport (CRW) runway 23 when it struck trees 360 feet from the runway threshold.The aircraft continued and struck up sloping terrain (+30 degrees) 250 feet short in a 4-5 degree nose down attitude, slightly left wing down.The Fairchild-Hiller FH-227 continued up the hill and on to the airport, coming to rest 6 feet beyond the threshold and 50 feet from the right edge of the runway.