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Registration No. </FONT></P>

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<P ALIGN="CENTER"><FONT SIZE=5><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>  </B></FONT><FONT SIZE=2><B>Washington, D.C. 20549  </B></FONT></P>

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<P ALIGN="CENTER"><FONT SIZE=5><B>FORM S-8<BR>  </B></FONT><FONT SIZE=2><I>Registration Statement<BR>
Under<BR>
The Securities Act of 1933  </I></FONT></P>

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<P ALIGN="CENTER"><FONT SIZE=5><B>AAR CORP.<BR>  </B></FONT><FONT SIZE=2>(Exact name of registrant as specified in its charter) </FONT></P>

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<TD WIDTH="50%" ALIGN="CENTER"><FONT SIZE=2><B>Delaware<BR> </B></FONT><FONT SIZE=2>(State or other jurisdiction of<BR>
incorporation or organization)</FONT></TD>
<TD WIDTH="50%" ALIGN="CENTER"><FONT SIZE=2><B>36-2334820</B></FONT><FONT SIZE=2><BR>
(I.R.S. Employer<BR>
Identification No.)</FONT></TD>
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<TD WIDTH="50%" ALIGN="CENTER"><BR><FONT SIZE=2><B>One AAR Place<BR>
1100 N. Wood Dale Road<BR>
Wood Dale, Illinois</B></FONT><FONT SIZE=2><BR>
(Address of principal executive offices)</FONT></TD>
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<BR>
<BR></FONT> <FONT SIZE=2><B>60191<BR> </B></FONT><FONT SIZE=2>(Zip code)</FONT></TD>
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<P ALIGN="CENTER"><FONT SIZE=2><B>AAR CORP. STOCK BENEFIT PLAN<BR>
(FORMERLY KNOWN AS AAR CORP. AMENDED STOCK OPTION AND<BR>
INCENTIVE PLAN)<BR>  </B></FONT><FONT SIZE=2>(Full title of the plan) </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B>Howard A. Pulsifer<BR>
Vice President, General Counsel &amp; Secretary<BR>
One AAR Place<BR>
1100 N. Wood Dale Road<BR>
Wood Dale, Illinois 60191<BR>  </B></FONT><FONT SIZE=2>(Name and address of agent for service) </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><B>(630) 227-2000<BR>  </B></FONT><FONT SIZE=2>(Telephone number, including area code, of agent for service) </FONT></P>

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<P ALIGN="CENTER"><FONT SIZE=2><B>CALCULATION OF REGISTRATION FEE  </B></FONT></P>

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<TD WIDTH="35%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Title of Securities to be Registered</B></FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=1>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Amount to be Registered</B></FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=1>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Proposed Maximum Offering Price Per Unit(a)</B></FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=1>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Proposed Maximum Aggregate Offering Price(a)</B></FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=1>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=1><B>Amount of Registration Fee</B></FONT></TD>
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<TD WIDTH="35%" VALIGN="BOTTOM"><FONT SIZE=2>Common Stock, $1.00 par value</FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=2>704,320 shares</FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=2>$8.17</FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=2>$5,754,294</FONT></TD>
<TD WIDTH="1%" VALIGN="BOTTOM"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER" VALIGN="BOTTOM"><FONT SIZE=2>$529.40</FONT></TD>
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<TD WIDTH="35%"><FONT SIZE=2>Common Stock Purchase Rights</FONT></TD>
<TD WIDTH="1%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="18%" ALIGN="CENTER"><FONT SIZE=2>469,570 rights</FONT></TD>
<TD WIDTH="1%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER"><FONT SIZE=2>(b)</FONT></TD>
<TD WIDTH="1%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER"><FONT SIZE=2>(b)</FONT></TD>
<TD WIDTH="1%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="15%" ALIGN="CENTER"><FONT SIZE=2>(b)</FONT></TD>
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<DT style='margin-bottom:-11pt;'><FONT SIZE=2>(a)</FONT></DT><DD><FONT SIZE=2>Estimated
solely for purposes of calculating the registration fee in accordance with Rule&nbsp;457(c) under the Securities Act of 1933.
<BR><BR></FONT></DD><DT style='margin-bottom:-11pt;'><FONT SIZE=2>(b)</FONT></DT><DD><FONT SIZE=2>Each
unit consists of one share of Common Stock and .6667 related Common Stock Purchase Right. The Rights currently are not evidenced by separate certificates and may not be
transferred except upon transfer of the related shares. The value attributable to the Common Stock Purchase Rights is reflected in the market price of the Common Stock. </FONT></DD></DL>
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<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="dg1302_general_instructions"> </A>
<A NAME="toc_dg1302_1"> </A>
<BR></FONT><FONT SIZE=2><B><U>GENERAL INSTRUCTIONS</U>    <BR>  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="dg1302_e._registration_of_additional_securities"> </A>
<A NAME="toc_dg1302_2"> </A>
<BR></FONT><FONT SIZE=2><B>E. REGISTRATION OF ADDITIONAL SECURITIES    <BR>  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to General Instruction E of Form&nbsp;S-8, the contents of the Registration Statement of Registrant on Form&nbsp;S-8,
Registration No.&nbsp;33-26783, filed by the Registrant with the Securities and Exchange Commission on February&nbsp;1, 1989, registering its Common Stock, $1.00 par value per share,
and its Common Stock Purchase Rights, issuable pursuant to the AAR CORP. Stock Benefit Plan (formerly known as the AAR CORP. Amended Stock Option and Incentive Plan), are hereby incorporated by
reference. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>2</FONT></P>

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<P ALIGN="CENTER"><FONT SIZE=2><A
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<A NAME="toc_di1302_1"> </A>
<BR></FONT><FONT SIZE=2><B><U>PART II</U>    <BR>  </B></FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2><A
NAME="di1302_information_required_in_the_registration_statement"> </A>
<A NAME="toc_di1302_2"> </A>
<BR></FONT><FONT SIZE=2><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT    <BR>  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All information required in this registration statement not included in the Exhibits attached hereto or set forth on the signature page is set forth in the
Registration Statement of the Registrant on Form&nbsp;S-8 (Registration No.&nbsp;33-26783) which is incorporated herein by reference. </FONT></P>

<P><FONT SIZE=2><A
NAME="di1302_item_8._exhibits."> </A>
<A NAME="toc_di1302_3"> </A>
<BR></FONT><FONT SIZE=2>Item 8. Exhibits.    <BR></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Exhibits filed herein are set forth on the exhibit index filed as part of this Registration Statement on page 6 hereof. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>3</FONT></P>

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<BR></FONT><FONT SIZE=2><B><U>POWER OF ATTORNEY</U>    <BR>  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOWN BY ALL MEN BY THESE PRESENTS, that each of the persons signing this Registration Statement as a director or officer, or both, of AAR CORP., a Delaware
corporation, hereby constitutes and appoints David P. Storch, Timothy J. Romenesko, and Howard A. Pulsifer, and each of them, his true and lawful attorneys-in-fact and agents,
with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign any and all amendments to the Registration Statement, and to file the
same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and
each of them, full power and authority to do and perform each and every act and thing requisite or necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their or his substitute or substitutes, may lawfully do or cause to be done by virtue
hereof. </FONT></P>

<P ALIGN="CENTER"><FONT SIZE=2>4</FONT></P>

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<BR></FONT><FONT SIZE=2><B><U>SIGNATURES</U>    <BR>  </B></FONT></P>

<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form&nbsp;S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Wood
Dale, State of Illinois, on January&nbsp;7, 2002. </FONT></P>

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<TD WIDTH="47%"><FONT SIZE=2>&nbsp;</FONT></TD>
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<TD COLSPAN=3><FONT SIZE=2>AAR CORP.</FONT></TD>
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&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
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By:</FONT></TD>
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/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>DAVID P. STORCH</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> David P. Storch<BR>
President and<BR>
Chief Executive Officer</FONT></TD>
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<P><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and effective on the dates indicated. </FONT></P>

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<TH WIDTH="45%" ALIGN="CENTER"><FONT SIZE=1><B>Signature</B></FONT><HR NOSHADE></TH>
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<TH WIDTH="31%" ALIGN="CENTER"><FONT SIZE=1><B>Title</B></FONT><HR NOSHADE></TH>
<TH WIDTH="2%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="20%" ALIGN="CENTER"><FONT SIZE=1><B>Date</B></FONT><HR NOSHADE></TH>
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<TD WIDTH="45%"><BR><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%" VALIGN="TOP"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%" VALIGN="TOP"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
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<TD WIDTH="45%"><FONT SIZE=2>/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>DAVID P. STORCH</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> David P. Storch</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="31%"><FONT SIZE=2>President and Chief Executive Officer; Director<BR>
(Principal Executive Officer)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="20%"><FONT SIZE=2>January 7, 2002</FONT></TD>
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/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>TIMOTHY J. ROMENESKO</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Timothy J. Romenesko</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%"><FONT SIZE=2><BR>
Vice President, Chief Financial Officer<BR>
(Principal Financial Officer)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%"><FONT SIZE=2><BR>
January 7, 2002</FONT></TD>
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<TD WIDTH="45%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>MICHAEL J. SHARP</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Michael J. Sharp</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%"><FONT SIZE=2><BR>
Vice President, Controller and Chief Accounting Officer<BR>
(Principal Financial Officer)</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%"><FONT SIZE=2><BR>
January 7, 2002</FONT></TD>
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<TD WIDTH="45%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>A. ROBERT ABBOUD</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> A. Robert Abboud</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%" VALIGN="TOP"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%" VALIGN="TOP"><FONT SIZE=2><BR>
January 7, 2002</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>HOWARD B. BERNICK</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Howard B. Bernick</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%" VALIGN="TOP"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%" VALIGN="TOP"><FONT SIZE=2><BR>
January 7, 2002</FONT></TD>
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<TD WIDTH="45%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>JAMES G. BROCKSMITH, JR.</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> James G. Brocksmith, Jr.</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%" VALIGN="TOP"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%" VALIGN="TOP"><FONT SIZE=2><BR>
January 7, 2002</FONT></TD>
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<TD WIDTH="45%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>IRA A. EICHNER</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Ira A. Eichner</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%"><FONT SIZE=2><BR>
Chairman of the Board; Director</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%"><FONT SIZE=2><BR>
January 7, 2002</FONT></TD>
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<TD WIDTH="45%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>RONALD R. FOGLEMAN</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Ronald R. Fogleman</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%" VALIGN="TOP"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%" VALIGN="TOP"><FONT SIZE=2><BR>
January 7, 2002</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%"><FONT SIZE=2><BR>
/s/&nbsp;&nbsp;</FONT><FONT SIZE=2>EDGAR D. JANNOTTA</FONT><FONT SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><HR NOSHADE><FONT SIZE=2> Edgar D. Jannotta</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%" VALIGN="TOP"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%" VALIGN="TOP"><FONT SIZE=2><BR>
January 7, 2002</FONT></TD>
</TR>
<TR VALIGN="BOTTOM">
<TD WIDTH="45%"><BR><HR NOSHADE><FONT SIZE=2> Joel D. Spungin</FONT></TD>
<TD WIDTH="2%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="31%" VALIGN="TOP"><FONT SIZE=2><BR>
Director</FONT></TD>
<TD WIDTH="2%" VALIGN="TOP"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="20%" VALIGN="TOP"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
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<P ALIGN="CENTER"><FONT SIZE=2>5</FONT></P>

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<P ALIGN="CENTER"><FONT SIZE=2><A
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<A NAME="toc_ka1302_1"> </A>
<BR></FONT><FONT SIZE=2><B>EXHIBIT INDEX    <BR>  </B></FONT></P>

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<TH WIDTH="4%" ALIGN="LEFT"><FONT SIZE=2>&nbsp;</FONT><BR></TH>
<TH WIDTH="3%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="21%" ALIGN="CENTER"><FONT SIZE=1><B>Item</B></FONT><HR NOSHADE></TH>
<TH WIDTH="3%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="6%" ALIGN="LEFT"><FONT SIZE=1>&nbsp;</FONT><BR></TH>
<TH WIDTH="3%"><FONT SIZE=1>&nbsp;</FONT></TH>
<TH WIDTH="62%" ALIGN="CENTER"><FONT SIZE=1><B>Exhibits</B></FONT><HR NOSHADE></TH>
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<TD WIDTH="4%"><FONT SIZE=2>4.</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="21%"><FONT SIZE=2>Instruments defining the rights of security holders</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="6%"><FONT SIZE=2>4.1</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2>&nbsp;</FONT></TD>
<TD WIDTH="62%"><FONT SIZE=2>Instruments defining the rights of security holders are hereby incorporated by reference as Exhibits to the Registrant's Annual Report on Form 10-K for the fiscal year ended May 31, 2001.</FONT></TD>
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<TD WIDTH="4%"><FONT SIZE=2><BR>
5.</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="21%"><FONT SIZE=2><BR>
Opinion re legality</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%"><FONT SIZE=2><BR>
5.1</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="62%"><FONT SIZE=2><BR>
Opinion of Mr. Howard A. Pulsifer, Vice President, General Counsel and Secretary (filed herewith, Page 7).</FONT></TD>
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<TD WIDTH="4%"><FONT SIZE=2><BR>
23.</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="21%"><FONT SIZE=2><BR>
Consents</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%"><FONT SIZE=2><BR>
23.1</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="62%"><FONT SIZE=2><BR>
Consent of KPMG LLP (filed herewith, Page 8).</FONT></TD>
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<TD WIDTH="4%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="21%"><FONT SIZE=2><BR>
&nbsp;</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="6%"><FONT SIZE=2><BR>
23.2</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="62%"><FONT SIZE=2><BR>
Consent of Mr. Howard A. Pulsifer, Vice President, General Counsel and Secretary (contained in opinion referred to in Exhibit 5)</FONT></TD>
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24.</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
<TD WIDTH="21%"><FONT SIZE=2><BR>
Power of Attorney</FONT></TD>
<TD WIDTH="3%"><FONT SIZE=2><BR>&nbsp;</FONT></TD>
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The Power of Attorney immediately precedes the signature page hereof (filed herewith, Page 4).</FONT></TD>
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<P><br><A NAME="02CHI1302_1">QuickLinks</A><br></P><!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_dg1302_1">GENERAL INSTRUCTIONS</A></FONT><BR>
<FONT SIZE=2><A HREF="#toc_dg1302_2">E. REGISTRATION OF ADDITIONAL SECURITIES</A></FONT><BR>

<!-- TOC_BEGIN -->
<FONT SIZE=2><A HREF="#toc_di1302_1">PART II</A></FONT><BR>
<FONT SIZE=2><A HREF="#toc_di1302_2">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</A></FONT><BR>
<UL>
<FONT SIZE=2><A HREF="#toc_di1302_3">Item 8. Exhibits.</A></FONT><BR>
</UL>
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<FONT SIZE=2><A HREF="#toc_dk1302_1">POWER OF ATTORNEY</A></FONT><BR>
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<FONT SIZE=2><A HREF="#toc_jc1302_1">SIGNATURES</A></FONT><BR>
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<FONT SIZE=2><A HREF="#toc_ka1302_1">EXHIBIT INDEX</A></FONT><BR>
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{"company-data": {"conformed-name": "AAR CORP", "cik": "0000001750", "assigned-sic": "3720", "irs-number": "362334820", "state-of-incorporation": "DE", "fiscal-year-end": "0531"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-81790", "film-number": "02523258"}, "business-address": {"street1": "1100 N WOOD DALE RD", "city": "WOOD DALE", "state": "IL", "zip": "60191", "phone": "6302272000"}, "mail-address": {"street1": "1100 N WOOD DALE RD", "city": "WOOD DALE", "state": "IL", "zip": "60191"}, "former-company": {"former-conformed-name": "ALLEN AIRCRAFT RADIO INC", "date-changed": "19700204"}}
Prepared by MERRILL CORPORATION
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Registration No.
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
Registration Statement
Under
The Securities Act of 1933
AAR CORP.
(Exact name of registrant as specified in its charter)
Delaware
(State or other jurisdiction of
incorporation or organization)
36-2334820
(I.R.S. Employer
Identification No.)
One AAR Place
1100 N. Wood Dale Road
Wood Dale, Illinois
(Address of principal executive offices)
60191
(Zip code)
AAR CORP. STOCK BENEFIT PLAN
(FORMERLY KNOWN AS AAR CORP. AMENDED STOCK OPTION AND
INCENTIVE PLAN)
(Full title of the plan)
Howard A. Pulsifer
Vice President, General Counsel & Secretary
One AAR Place
1100 N. Wood Dale Road
Wood Dale, Illinois 60191
(Name and address of agent for service)
(630) 227-2000
(Telephone number, including area code, of agent for service)
CALCULATION OF REGISTRATION FEE
Title of Securities to be Registered
Amount to be Registered
Proposed Maximum Offering Price Per Unit(a)
Proposed Maximum Aggregate Offering Price(a)
Amount of Registration Fee
Common Stock, $1.00 par value
704,320 shares
$8.17
$5,754,294
$529.40
Common Stock Purchase Rights
469,570 rights
(b)
(b)
(b)
(a)
Estimated
solely for purposes of calculating the registration fee in accordance with Rule 457(c) under the Securities Act of 1933.
(b)
Each
unit consists of one share of Common Stock and .6667 related Common Stock Purchase Right. The Rights currently are not evidenced by separate certificates and may not be
transferred except upon transfer of the related shares. The value attributable to the Common Stock Purchase Rights is reflected in the market price of the Common Stock.
GENERAL INSTRUCTIONS
E. REGISTRATION OF ADDITIONAL SECURITIES
Pursuant to General Instruction E of Form S-8, the contents of the Registration Statement of Registrant on Form S-8,
Registration No. 33-26783, filed by the Registrant with the Securities and Exchange Commission on February 1, 1989, registering its Common Stock, $1.00 par value per share,
and its Common Stock Purchase Rights, issuable pursuant to the AAR CORP. Stock Benefit Plan (formerly known as the AAR CORP. Amended Stock Option and Incentive Plan), are hereby incorporated by
reference.
2
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
All information required in this registration statement not included in the Exhibits attached hereto or set forth on the signature page is set forth in the
Registration Statement of the Registrant on Form S-8 (Registration No. 33-26783) which is incorporated herein by reference.
Item 8. Exhibits.
The
Exhibits filed herein are set forth on the exhibit index filed as part of this Registration Statement on page 6 hereof.
3
POWER OF ATTORNEY
KNOWN BY ALL MEN BY THESE PRESENTS, that each of the persons signing this Registration Statement as a director or officer, or both, of AAR CORP., a Delaware
corporation, hereby constitutes and appoints David P. Storch, Timothy J. Romenesko, and Howard A. Pulsifer, and each of them, his true and lawful attorneys-in-fact and agents,
with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, to sign any and all amendments to the Registration Statement, and to file the
same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and
each of them, full power and authority to do and perform each and every act and thing requisite or necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby
ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their or his substitute or substitutes, may lawfully do or cause to be done by virtue
hereof.
4
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Wood
Dale, State of Illinois, on January 7, 2002.
AAR CORP.
By:
/s/
DAVID P. STORCH
David P. Storch
President and
Chief Executive Officer
Pursuant
to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities and effective on the dates indicated.
Signature
Title
Date
/s/
DAVID P. STORCH
David P. Storch
President and Chief Executive Officer; Director
(Principal Executive Officer)
January 7, 2002
/s/
TIMOTHY J. ROMENESKO
Timothy J. Romenesko
Vice President, Chief Financial Officer
(Principal Financial Officer)
January 7, 2002
/s/
MICHAEL J. SHARP
Michael J. Sharp
Vice President, Controller and Chief Accounting Officer
(Principal Financial Officer)
January 7, 2002
/s/
A. ROBERT ABBOUD
A. Robert Abboud
Director
January 7, 2002
/s/
HOWARD B. BERNICK
Howard B. Bernick
Director
January 7, 2002
/s/
JAMES G. BROCKSMITH, JR.
James G. Brocksmith, Jr.
Director
January 7, 2002
/s/
IRA A. EICHNER
Ira A. Eichner
Chairman of the Board; Director
January 7, 2002
/s/
RONALD R. FOGLEMAN
Ronald R. Fogleman
Director
January 7, 2002
/s/
EDGAR D. JANNOTTA
Edgar D. Jannotta
Director
January 7, 2002
Joel D. Spungin
Director
5
EXHIBIT INDEX
Item
Exhibits
4.
Instruments defining the rights of security holders
4.1
Instruments defining the rights of security holders are hereby incorporated by reference as Exhibits to the Registrant's Annual Report on Form 10-K for the fiscal year ended May 31, 2001.
5.
Opinion re legality
5.1
Opinion of Mr. Howard A. Pulsifer, Vice President, General Counsel and Secretary (filed herewith, Page 7).
23.
Consents
23.1
Consent of KPMG LLP (filed herewith, Page 8).
23.2
Consent of Mr. Howard A. Pulsifer, Vice President, General Counsel and Secretary (contained in opinion referred to in Exhibit 5)
24.
Power of Attorney
The Power of Attorney immediately precedes the signature page hereof (filed herewith, Page 4).
6
QuickLinks
GENERAL INSTRUCTIONS
E. REGISTRATION OF ADDITIONAL SECURITIES
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 8. Exhibits.
POWER OF ATTORNEY
SIGNATURES
EXHIBIT INDEX