<ARTICLE> 5
<CIK> 0000033113
<NAME> ENVIRONMENTAL TECTONICS CORPORATION
<MULTIPLIER> 1,000
<CURRENCY> US$

                             
<PERIOD-TYPE>                    3-MOS
<FISCAL-YEAR-END>                          FEB-25-2000
<PERIOD-START>                             FEB-26-2000
<PERIOD-END>                               MAY-26-2000
<EXCHANGE-RATE>                                      1
<CASH>                                           1,259
<SECURITIES>                                         0
<RECEIVABLES>                                   11,205
<ALLOWANCES>                                       365
<INVENTORY>                                      5,172
<CURRENT-ASSETS>                                29,955
<PP&E>                                          11,597
<DEPRECIATION>                                   8,135
<TOTAL-ASSETS>                                  35,427
<CURRENT-LIABILITIES>                            8,679
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           354
<OTHER-SE>                                      17,377
<TOTAL-LIABILITY-AND-EQUITY>                    35,427
<SALES>                                          7,157
<TOTAL-REVENUES>                                 7,157
<CGS>                                            3,802
<TOTAL-COSTS>                                    1,522
<OTHER-EXPENSES>                                  (21)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 192
<INCOME-PRETAX>                                  1,351
<INCOME-TAX>                                       467
<INCOME-CONTINUING>                                882
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       882
<EPS-BASIC>                                       0.13
<EPS-DILUTED>                                     0.12