<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-31-1997             DEC-31-1997             DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JAN-01-1997             JAN-01-1997             JAN-01-1997             JAN-01-1997
<PERIOD-END>                               MAR-30-1997             JUN-30-1997             SEP-30-1997             DEC-30-1997
<EXCHANGE-RATE>                                      1                       1                       1                       1
<CASH>                                             780                   2,865                   4,124                   7,545
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                   46,556                  48,643                  57,183                  69,638
<ALLOWANCES>                                   (1,769)                 (1,780)                 (1,643)                 (2,639)
<INVENTORY>                                     45,953                  46,102                  46,375                  49,014
<CURRENT-ASSETS>                                93,110                  97,088                 107,484                 134,062
<PP&E>                                          23,965                  25,529                  27,856                  44,607
<DEPRECIATION>                                (14,226)                (14,771)                (15,736)                (24,072)
<TOTAL-ASSETS>                                 108,396                 113,429                 125,194                 185,278
<CURRENT-LIABILITIES>                           33,700                  36,743                  45,316                  84,720
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                            76                      76                      77                     119
<OTHER-SE>                                      50,037                  52,112                  55,094                  75,836
<TOTAL-LIABILITY-AND-EQUITY>                   108,396                 113,429                 125,194                 185,278
<SALES>                                         29,036                  60,982                  97,867                 144,934
<TOTAL-REVENUES>                                29,036                  60,982                  97,867                 144,934
<CGS>                                           14,950                  30,443                  48,495                  86,835
<TOTAL-COSTS>                                   14,950                  30,443                  48,495                  86,835
<OTHER-EXPENSES>                                12,653                  25,819                  39,602                  95,282
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                                 632                   1,527                   2,392                   4,093
<INCOME-PRETAX>                                    847                   3,301                   7,616                (40,736)
<INCOME-TAX>                                       666                   1,339                   2,804                (11,548)
<INCOME-CONTINUING>                                181                   1,962                   4,812                (29,188)
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                       181                   1,962                   4,812                (29,188)
<EPS-BASIC>                                        .02                     .25                     .62                  (3.67)
<EPS-DILUTED>                                      .02                     .24                     .58                  (3.58)