SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                               -------------------



                                    FORM 8-K


                CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF
                       THE SECURITIES EXCHANGE ACT OF 1934



                         Date of Earliest Event Reported
                                  May 28, 2004


                       Environmental Tectonics Corporation
             (Exact name of registrant as specified in its charter)



                                  Pennsylvania
         (State or other jurisdiction of incorporation of organization)



            1-10655                                     23-1714256
   (Commission File Number)                (IRS Employer Identification Number)


                     County Line Industrial Park
                       Southampton, Pennsylvania              18966
               (Address of principal executive offices)     (Zip Code)


        Registrant's telephone number, including area code (215) 355-9100









ITEM 7.     FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

       (C)  EXHIBITS.

            The following exhibit is furnished in accordance with Item 601 of
Regulation S-K:

            99.1    Press Release dated May 28, 2004

ITEM 12.    RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

            On May 28, 2004, Environmental Tectonics Corporation issued a
press release announcing its financial results for the fourth quarter of fiscal
2004 and for fiscal year 2004. A copy of this press release is attached as
Exhibit 99.1 and hereby incorporated by reference.

                In accordance with General Instruction B.6 of Form 8-K, the
information in this Form 8-K is being furnished under Item 12 and shall not be
deemed to be "filed" for the purposes of Section 18 of the Securities and
Exchange Act of 1934 (the "Exchange Act"), or otherwise subject to the
liabilities of such section, nor shall such information be deemed incorporated
by reference in any filing under the Securities Act of 1933 or the Exchange Act.







                                  EXHIBIT INDEX


99.1     Press Release, dated May 28, 2004.






                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.



                                    ENVIRONMENTAL TECTONICS CORPORATION
                                    Registrant


Date:  May 28, 2004                 By /s/ Duane D. Deaner
                                       --------------------------------------
                                           Duane D. Deaner
                                           Chief Financial Officer