<ARTICLE> 5 <RESTATED> <CIK> 0000354908 <NAME> FLIR SYSTEMS, INC. <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 3-MOS 6-MOS 9-MOS 12-MOS <FISCAL-YEAR-END> DEC-31-1998 DEC-31-1998 DEC-31-1998 DEC-31-1998 <PERIOD-START> JAN-01-1998 JAN-01-1998 JAN-01-1998 JAN-01-1998 <PERIOD-END> MAR-31-1998 JUN-30-1998 SEP-30-1998 DEC-31-1998 <EXCHANGE-RATE> 1 1 1 1 <CASH> 6,327 4,120 4,471 4,793 <SECURITIES> 0 0 0 0 <RECEIVABLES> 59,483 71,139 88,843 94,418 <ALLOWANCES> (2,600) (2,683) (2,644) (3,216) <INVENTORY> 54,881 56,260 56,913 70,312 <CURRENT-ASSETS> 127,171 137,159 156,462 177,283 <PP&E> 47,483 51,040 53,969 56,467 <DEPRECIATION> (25,496) (26,950) (28,542) (29,692) <TOTAL-ASSETS> 181,412 192,608 213,078 235,989 <CURRENT-LIABILITIES> 80,716 87,673 70,126 86,751 <BONDS> 0 0 0 0 <PREFERRED-MANDATORY> 0 0 0 0 <PREFERRED> 0 0 0 0 <COMMON> 120 120 140 141 <OTHER-SE> 75,869 80,366 118,456 125,841 <TOTAL-LIABILITY-AND-EQUITY> 181,412 192,608 213,078 235,989 <SALES> 40,104 89,501 145,514 208,622 <TOTAL-REVENUES> 40,104 89,501 145,514 208,622 <CGS> 19,602 41,801 68,506 95,239 <TOTAL-COSTS> 19,602 41,801 68,506 95,239 <OTHER-EXPENSES> 19,464 41,005 61,428 85,891 <LOSS-PROVISION> 0 0 0 0 <INTEREST-EXPENSE> 1,475 2,673 3,538 5,199 <INCOME-PRETAX> (74) 4,487 12,757 22,931 <INCOME-TAX> 121 1,249 3,788 6,155 <INCOME-CONTINUING> (195) 3,238 8,969 16,776 <DISCONTINUED> 0 0 0 0 <EXTRAORDINARY> 0 0 0 0 <CHANGES> 0 0 0 0 <NET-INCOME> (195) 3,238 8,969 16,776 <EPS-BASIC> (.02) .27 .68 1.29 <EPS-DILUTED> (.02) .25 .65 1.24