AMERICAN HOIST AND DERRICK CO <AHO> 1ST QTR NET Qtr ended March 14. Shr profit 32 cts vs loss 1.30 dlrs Net profit 2,704,000 vs loss 7,589,000 Rev 105.2 mln vs 82.3 mln NOTE: Qtr net includes extraordinary gain of 1.1 mln dlrs.