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<SEC-DOCUMENT>0001104659-09-048823.txt : 20090811
<SEC-HEADER>0001104659-09-048823.hdr.sgml : 20090811
<ACCEPTANCE-DATETIME>20090811101035
ACCESSION NUMBER:		0001104659-09-048823
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20090810
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20090811
DATE AS OF CHANGE:		20090811

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AAR CORP
		CENTRAL INDEX KEY:			0000001750
		STANDARD INDUSTRIAL CLASSIFICATION:	AIRCRAFT & PARTS [3720]
		IRS NUMBER:				362334820
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06263
		FILM NUMBER:		091002340

	BUSINESS ADDRESS:	
		STREET 1:		1100 N WOOD DALE RD
		CITY:			WOOD DALE
		STATE:			IL
		ZIP:			60191
		BUSINESS PHONE:		6302272000

	MAIL ADDRESS:	
		STREET 1:		1100 N WOOD DALE RD
		CITY:			WOOD DALE
		STATE:			IL
		ZIP:			60191

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLEN AIRCRAFT RADIO INC
		DATE OF NAME CHANGE:	19700204
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a09-22339_18k.htm
<DESCRIPTION>8-K
<TEXT>

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<div>

<div style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:solid windowtext 3.0pt;padding:1.0pt 0in 1.0pt 0in;">

<p style="border:none;letter-spacing:-.15pt;margin:0in 0in .0001pt;padding:0in;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>

</div>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;letter-spacing:0pt;">UNITED STATES</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;letter-spacing:0pt;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">WASHINGTON, D.C.&#160; 20549</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<div align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade color="black" align="center"></div>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;letter-spacing:0pt;">FORM 8-K</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;letter-spacing:0pt;">CURRENT REPORT</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;letter-spacing:0pt;">Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">August 10, 2009</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Date of Report (Date of earliest event reported)</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;letter-spacing:0pt;">AAR CORP.</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">(Exact Name of Registrant as Specified in Its Charter)</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">Delaware</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">(State or other jurisdiction of incorporation)</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">1-6263</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;letter-spacing:0pt;">&nbsp;</font></b></p>
  </td>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">36-2334820</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">(Commission File Number)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
  <p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">(IRS Employer Identification No.)</font></p>
  </td>
 </tr>
</table>

</div>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">One AAR Place, 1100 N. Wood Dale Road</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">Wood Dale, Illinois 60191</font></b></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">(Address and Zip Code of Principal Executive Offices)</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Registrant&#146;s telephone number, including area code:&#160; <b>(630) 227-2000</b></font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;letter-spacing:0pt;">o</font></p>
  </td>
  <td width="96%" valign="top" style="padding:0in 0in 0in 0in;width:96.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Written
  communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></p>
  </td>
 </tr>
 <tr>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;letter-spacing:0pt;">o</font></p>
  </td>
  <td width="96%" valign="top" style="padding:0in 0in 0in 0in;width:96.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Soliciting
  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p>
  </td>
 </tr>
 <tr>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;letter-spacing:0pt;">o</font></p>
  </td>
  <td width="96%" valign="top" style="padding:0in 0in 0in 0in;width:96.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Pre-commencement
  communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
  240.14d-2(b))</font></p>
  </td>
 </tr>
 <tr>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;letter-spacing:0pt;">o</font></p>
  </td>
  <td width="96%" valign="top" style="padding:0in 0in 0in 0in;width:96.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Pre-commencement
  communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
  240.13e-4(c))</font></p>
  </td>
 </tr>
</table>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="border-bottom:solid windowtext 3.0pt;border-left:none;border-right:none;border-top:solid windowtext 1.0pt;padding:1.0pt 0in 1.0pt 0in;">

<p style="border:none;letter-spacing:-.15pt;margin:0in 0in .0001pt;padding:0in;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>

</div>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
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<div>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.84%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">Item 8.01</font></b></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">Other
  Events.</font></b></p>
  </td>
 </tr>
</table>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">On August
10, 2009, AAR CORP. issued a press release announcing that it had received a
favorable ruling from the Wexford County Circuit Court in a case brought by the
Michigan Department of Environmental Quality.&#160;
The Court&#146;s ruling fully exonerated AAR Manufacturing, Inc., a
subsidiary of AAR, holding that it was not responsible in any respect for the
alleged release of environmental contamination at and in the vicinity of its
Cadillac, Michigan facility.</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">A copy
of the press release is furnished as Exhibit 99.1 to this Current Report on Form
8-K.</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="11%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:11.84%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">Item 9.01</font></b></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">Exhibits.</font></u></b></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="bottom" style="padding:0in 0in 0in 0in;width:6.68%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.68%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">(d)</font></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Exhibits</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.68%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in 0in 0in 0in;width:5.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.68%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">99.1</font></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Press Release dated August 10,
  2009.</font></p>
  </td>
 </tr>
</table>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>

<div style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
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<div>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">SIGNATURE</font></b></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">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 hereunto
duly authorized.</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Date:&#160;&#160;&#160;&#160;&#160;&#160; August 11, 2009</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;letter-spacing:0pt;">&nbsp;</font></b></p>
  </td>
  <td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">AAR CORP.</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="46%" valign="top" style="padding:0in 0in 0in 0in;width:46.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="46%" valign="top" style="padding:0in 0in 0in 0in;width:46.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in 0in 0in 0in;width:4.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">By:</font></p>
  </td>
  <td width="46%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:46.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">/s/
  ROBERT J. REGAN</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Robert
  J. Regan</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:1.0pt;font-style:italic;letter-spacing:0pt;">&nbsp;</font></i></p>
  </td>
  <td width="50%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;letter-spacing:0pt;">Vice
  President, General Counsel and Secretary</font></i></p>
  </td>
 </tr>
</table>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>

<div style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

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<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;letter-spacing:0pt;">EXHIBIT INDEX</font></b></p>

<p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="11%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:11.5%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;letter-spacing:0pt;">Exhibit Number</font></b></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.34%;">
  <p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;letter-spacing:0pt;">&nbsp;</font></b></p>
  </td>
  <td width="85%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:85.16%;">
  <p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;letter-spacing:0pt;">Description</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="11%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:11.5%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.34%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="85%" valign="top" style="border:none;padding:0in 0in 0in 0in;width:85.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.5%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">99.1</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.34%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;letter-spacing:0pt;">&nbsp;</font></p>
  </td>
  <td width="85%" valign="top" style="padding:0in 0in 0in 0in;width:85.16%;">
  <p style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:0pt;">Press
  Release issued by AAR CORP. dated August 10, 2009.</font></p>
  </td>
 </tr>
</table>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="letter-spacing:-.15pt;margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>

<div style="letter-spacing:-.15pt;margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit 99.1</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">NEWS<br>
For immediate release</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="8%" valign="top" style="padding:0in 0in 0in 0in;width:8.34%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Contact:</font></b></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chris Mason</font></p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="padding:0in 0in 0in 0in;width:8.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director, Corporate
  Communications</font></p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="padding:0in 0in 0in 0in;width:8.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0in 0in 0in 0in;width:3.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="88%" valign="top" style="padding:0in 0in 0in 0in;width:88.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(630) 227-2062,
  chris.mason@aarcorp.com</font></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">AAR ANNOUNCES FAVORABLE RULING IN MICHIGAN ENVIRONMENTAL CASE</font></u></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">WOOD
DALE, ILLINOIS, August 10, 2009 &#151; AAR CORP. (NYSE: AIR) announced today that
the Wexford County Circuit Court issued a decision on August 7, 2009 fully
exonerating AAR Manufacturing, Inc., a subsidiary of AAR CORP., in a case
brought by the Michigan Department of Environmental Quality (MDEQ).&#160; The Court found that AAR Manufacturing was
not responsible in any respect for the alleged release of environmental
contamination at and in the vicinity of its Cadillac, Michigan facility.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
Court&#146;s decision, following a 12-day trial that ended in February 2009, upheld
the Company&#146;s position by holding that the evidence did not establish that there
was a release of contaminants at or near the Cadillac facility since the date
of the 1985 consent decree that was previously agreed to by the parties.&#160; The Court further held that there was no relevant
evidence suggesting that the Company was not in full compliance with the 1985
consent decree. &#160;AAR stated that it
intends to seek from the MDEQ the reimbursement of the Company&#146;s costs and
expenses incurred in this litigation.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
decision is consistent with the Company&#146;s long-standing commitment to assuring
that each of its businesses operates in an environmentally and socially
responsible manner and in compliance with governing rules and regulations.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">AAR
is a leading provider of products and value-added services to the worldwide
aviation/aerospace industry. With facilities and sales locations around the
world, AAR uses its close-to-the-customer business model to serve airline and
defense customers through four operating segments: Aviation Supply Chain;
Maintenance, Repair and Overhaul; Structures and Systems; and Aircraft Sales
and Leasing. More information can be found at www.aarcorp.com.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">###</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="left" style="margin:0in 0in .0001pt;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This press release contains certain
statements relating to future results, which are forward-looking statements as
that term is defined in the Private Securities Litigation Reform Act of
1995.&#160; These forward-looking statements
are based on beliefs of Company management, as well as assumptions and
estimates based on information currently available to the Company, and are
subject to certain risks and uncertainties that could cause actual results to
differ materially from historical results or those anticipated, including those
factors discussed under Item 1A, entitled &#147;Risk Factors&#148;, included in the
Company&#146;s May 31, 2009 Form 10-K. Should one or more of these risks or
uncertainties materialize adversely, or should underlying assumptions or
estimates prove incorrect, actual results may vary materially from those
described.&#160; These events and
uncertainties are difficult or impossible to predict accurately and many are
beyond the Company&#146;s control.&#160; The
Company assumes no obligation to update any forward-looking statements to
reflect events or circumstances after the date of such statements or to reflect
the occurrence of anticipated or unanticipated events. For additional
information, see the comments included in AAR&#146;s filings with the Securities and
Exchange Commission.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

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