ESSEX CORP <ESEX> YEAR END LOSS Oper shr loss 11 cts vs profit 33 cts Oper net loss 132,000 vs profit 408,000 Revs 25.2 mln vs 23.0 mln NOTE: 1986 and 1985 oper net excludes a loss of 636,000 dlrs or 52 cts per share and a loss of 994,000 dlrs or 80 cts per share for discontinued operations.