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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 VvShHZv/16XBkL/OafZnvQ==

<SEC-DOCUMENT>0001011240-03-000157.txt : 20031231
<SEC-HEADER>0001011240-03-000157.hdr.sgml : 20031231
<ACCEPTANCE-DATETIME>20031231125404
ACCESSION NUMBER:		0001011240-03-000157
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031229
FILED AS OF DATE:		20031231

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LMI AEROSPACE INC
		CENTRAL INDEX KEY:			0001059562
		STANDARD INDUSTRIAL CLASSIFICATION:	AIRCRAFT PART & AUXILIARY EQUIPMENT, NEC [3728]
		IRS NUMBER:				431309065
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3600 MUELLER RD
		CITY:			ST CHARLES
		STATE:			MO
		ZIP:			63302
		BUSINESS PHONE:		6369466525

	MAIL ADDRESS:	
		STREET 1:		P O BOX 900
		CITY:			ST CHARLES
		STATE:			MO
		ZIP:			63302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SAKS RONALD S
		CENTRAL INDEX KEY:			0001078808

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24293
		FILM NUMBER:		031079862

	BUSINESS ADDRESS:	
		STREET 1:		3600 MUELLER ROAD
		CITY:			ST CHARLES
		STATE:			MO
		ZIP:			63302
		BUSINESS PHONE:		3149466525

	MAIL ADDRESS:	
		STREET 1:		3600 MUELLER ROAD
		CITY:			ST CHARLES
		STATE:			MO
		ZIP:			63302
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>lmif4saks123103_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<!-- - EDGAR Ease Plus 1.0                                   07/25/03  TT    -->
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2003-12-29</periodOfReport>
   <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001059562</issuerCik>
        <issuerName>LMI AEROSPACE INC</issuerName>
        <issuerTradingSymbol>LMIA</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001078808</rptOwnerCik>
            <rptOwnerName>SAKS RONALD S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3600 MUELLER ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ST CHARLES</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>63302</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>1</isDirector>
         <isOfficer>1</isOfficer>
         <isTenPercentOwner>1</isTenPercentOwner>
         <isOther>0</isOther>
         <officerTitle>Chief Exec. Off. and President</officerTitle>
      </reportingOwnerRelationship>
   </reportingOwner>
 <nonDerivativeTable>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
         <value>2003-12-29</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>I</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>8571</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>2.05</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>99094</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>I</value>
            <footnoteId id="F1"/>
         </directOrIndirectOwnership>
         <natureOfOwnership>
            <value>By 401(k) Plan</value>
         </natureOfOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
 </nonDerivativeTable>
   <footnotes>
      <footnote id="F1"> Discretionary transaction by reporting person acquiring LMI Aerospace, Inc. common stock within the LMI Aerospace, Inc. Profit Sharing and Savings Plan and Trust.</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>/s/ Ronald S. Saks</signatureName>
      <signatureDate>2003-12-31</signatureDate>
   </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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