<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