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<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font SIZE=4>SECURITIES AND EXCHANGE COMMISSION</font></b></p>
<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><b><font size=2>Washington, D.C. 20549</font></b></p>

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<p style=' margin-bottom:0pt; margin-top:12pt;text-align:center;'><b><font SIZE=4>FORM 8-K</font></b></p>
<p style=' margin-bottom:0pt; margin-top:12pt;text-align:center;'><font SIZE=2>CURRENT REPORT PURSUANT TO SECTION 13 OR 15(D) OF</font></p>
<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font SIZE=2>THE SECURITIES EXCHANGE ACT OF 1934</font></p>
<p style=' margin-bottom:0pt; margin-top:12pt;text-align:center;'><font size=2>Date of Earliest Event Reported</font></p>
<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>June 28, 2006</font></p>
<p style=' margin-bottom:0pt; margin-top:8pt;text-align:center;'><b><font size=5>Environmental Tectonics Corporation</font></b></p>
<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>(Exact name of registrant as specified in its charter)</font></p>
<p style=' margin-bottom:0pt; margin-top:12pt;text-align:center;'><font size=2>Pennsylvania</font></p>
<p style=' margin-bottom:0pt; margin-top:0pt;text-align:center;'><font size=2>(State or other jurisdiction of incorporation of organization)</font></p>
<p style=' margin-bottom:0pt; margin-top:0pt;text-align:left;'><font size=2>&nbsp;</font></p>
<table width="100%" cellspacing=0 cellpadding=0><tr><td width="50">&nbsp;</td><td align=center valign=top width="280"><font size=2>1-10655</font><br>
<font size=2>(Commission File Number)</font><br></td>
<td align=center width="280">&nbsp;</td><td align=center valign=top width="280"><font size=2>23-1714256</font><br>
<font size=2>(IRS Employer Identification Number)</font></td><td width="50">&nbsp;</td></tr></table>
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<td align=center width="280">&nbsp;</td><td align=center valign=top width="280"></td><td width="50">&nbsp;</td></tr></table>
<table width="100%" cellspacing=0 cellpadding=0><tr><td width="50">&nbsp;</td><td align=center valign=top width="280"><font size=2>County Line Industrial Park</font><br>
<font size=2>Southampton, Pennsylvania</font><br>
<font size=2>(Address of principal executive offices)</font><br></td>
<td align=center width="280">&nbsp;</td><td align=center valign=top width="280"><font size=2>&nbsp;</font><br>
<font size=2>18966</font><br>
<font size=2>(Zip Code)</font></td><td width="50">&nbsp;</td></tr></table>
<p style=' margin-bottom:0pt; margin-top:12pt;text-align:center;'><font size=2>Registrant&#146;s telephone number, including area code (215) 355-9100</font></p>
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<p style=' margin-bottom:0pt; margin-top:8pt; margin-left:0.36in;text-align:left;'><b><font size=2>Item 1.01. Entry into a Material Definitive Agreement.</font></b></p>
<p style=' margin-bottom:0pt; margin-top:8pt; text-indent:0.72in;text-align:left;'><font size=2>On June 28, 2006, Environmental Tectonics Corporation (the Company) entered into an Amendment (the &#147;Amendment&#148;) to its Credit Agreement with PNC Bank, National Association (&#147;PNC Bank&#148;), dated as of February 18, 2003 (the &#147;Agreement&#148;). Pursuant to the PNC Credit Agreement Amendment, PNC Bank  (i) extended the Agreement termination date to the earlier of June 30, 2007 or such date to which the Company and PNC have agreed in writing, (ii) terminated the Security Agreement and Mortgage, thereby releasing the Company&#146;s assets as collateral for the facility, (iii) adjusted the Tangible Net Worth covenant (as defined in the Agreement) to a minimum of $9,000,000, and (iiii) made other changes to the Agreement. A copy of the Amendment is attached as Exhibit 10.2 and incorporated herein by reference.</font></p>
<p style=' margin-bottom:0pt; margin-top:8pt; margin-left:0.36in;text-align:left;'><b><font size=2>Item 9.01. Financial Statements and Exhibits</font></b></p>
<p style=' margin-bottom:0pt; margin-top:8pt; margin-left:0.72in;text-align:left;'><b><font size=2>(d) Exhibits. </font></b></p>
<p style=' margin-bottom:0pt; margin-top:8pt; text-indent:0.36in;text-align:left;'><font size=2>The following exhibit is filed herewith:</font></p>



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      <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;'><font size=2>10.2</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;'><font size=2>Amendment to Credit Agreement, dated as of June 28, 2006, between ETC and PNC Bank, National Association.</font></p> </td> </tr></table>



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<p style=' margin-bottom:0pt; margin-top:16pt;text-align:center;'><font SIZE=2>SIGNATURES</font></p>
<p style=' margin-bottom:0pt; margin-top:8pt; text-indent:0.36in;text-align:left;'><font size=2>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.</font></p>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0in;margin-bottom:0pt;'><font size=1>&nbsp;</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0in;margin-bottom:0pt;'><font SIZE=2>ENVIRONMENTAL TECTONICS CORPORATION </font><br> <font size=2>Registrant</font></p> </td> </tr> <tr>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0in;margin-bottom:0pt;'><br> <font size=2>Date:  June 29, 2006</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0in;margin-bottom:0pt;'><font size=2>By</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0in;margin-bottom:0pt;'><br> <font size=2>/s/ Duane D. Deaner</font></p> </td> </tr> <tr>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;'><font size=1>&nbsp;</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0in;margin-bottom:0pt;'><font size=1>&nbsp;</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0in;margin-bottom:0pt;'><font size=1>&nbsp;</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0in;margin-bottom:0pt;'><font size=2>Duane D. Deaner</font><br> <font size=2>Chief Financial Officer</font></p> </td> </tr></table>
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<p style=' margin-bottom:0pt; margin-top:16pt;text-align:center;'><b><font SIZE=2>EXHIBIT INDEX</font></b></p>
<p style=' margin-bottom:0pt; margin-top:8pt; text-indent:0.36in;text-align:left;'><font size=2>The following exhibit is filed herewith:</font></p>



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      <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;'><font size=2>10.2</font></p> </td>
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            <p style='margin-left:0pt;text-indent:0pt;text-align:left;margin-top:0pt;margin-bottom:0pt;'><font size=2>Amendment to Credit Agreement, dated as of June 28, 2006, between ETC and PNC Bank, National Association.</font></p> </td> </tr></table>

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{"company-data": {"conformed-name": "ENVIRONMENTAL TECTONICS CORP", "cik": "0000033113", "assigned-sic": "3690", "irs-number": "231714256", "state-of-incorporation": "PA", "fiscal-year-end": "0225"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-10655", "film-number": "06932230"}, "business-address": {"street1": "COUNTY LINE INDUSTRIAL PARK", "city": "SOUTHAMPTON", "state": "PA", "zip": "18966", "phone": "2153559100"}, "mail-address": {"street1": "COUNTYLINE INDUSTRIAL PARK", "city": "SOUTHAMPTON", "state": "PA", "zip": "18966"}, "former-company": {"former-conformed-name": "ENVIRONMENTAL TECHNOLOGY CORP", "date-changed": "19730208"}}
Prepared and Filed by St Ives Financial
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
June 28, 2006
Environmental Tectonics Corporation
(Exact name of registrant as specified in its charter)
Pennsylvania
(State or other jurisdiction of incorporation of organization)
1-10655
(Commission File Number)
23-1714256
(IRS Employer Identification Number)
County Line Industrial Park
Southampton, Pennsylvania
(Address of principal executive offices)
18966
(Zip Code)
Registrant's telephone number, including area code (215) 355-9100
Item 1.01. Entry into a Material Definitive Agreement.
On June 28, 2006, Environmental Tectonics Corporation (the Company) entered into an Amendment (the "Amendment") to its Credit Agreement with PNC Bank, National Association ("PNC Bank"), dated as of February 18, 2003 (the "Agreement"). Pursuant to the PNC Credit Agreement Amendment, PNC Bank  (i) extended the Agreement termination date to the earlier of June 30, 2007 or such date to which the Company and PNC have agreed in writing, (ii) terminated the Security Agreement and Mortgage, thereby releasing the Company's assets as collateral for the facility, (iii) adjusted the Tangible Net Worth covenant (as defined in the Agreement) to a minimum of $9,000,000, and (iiii) made other changes to the Agreement. A copy of the Amendment is attached as Exhibit 10.2 and incorporated herein by reference.
Item 9.01. Financial Statements and Exhibits
(d) Exhibits.
The following exhibit is filed herewith:
10.2
Amendment to Credit Agreement, dated as of June 28, 2006, between ETC and PNC Bank, National Association.
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:  June 29, 2006
By
/s/ Duane D. Deaner
Duane D. Deaner
Chief Financial Officer
EXHIBIT INDEX
The following exhibit is filed herewith:
10.2
Amendment to Credit Agreement, dated as of June 28, 2006, between ETC and PNC Bank, National Association.