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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UQuQoMW9YG7dfLlXA2X0SnI3l4N1xRegq/JhV0mdkERhj7xK+6DGEsE3FEz8G/uW
 0gEs4ycrhFR9Rq94V9Tmpw==

<SEC-DOCUMENT>0001104659-08-064497.txt : 20081016
<SEC-HEADER>0001104659-08-064497.hdr.sgml : 20081016
<ACCEPTANCE-DATETIME>20081016202825
ACCESSION NUMBER:		0001104659-08-064497
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081013
FILED AS OF DATE:		20081016
DATE AS OF CHANGE:		20081016

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GUILES EDWIN A
		CENTRAL INDEX KEY:			0001228374

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08931
		FILM NUMBER:		081128228

	BUSINESS ADDRESS:	
		STREET 1:		101 ASH ST M L
		STREET 2:		HQ18
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92101-3017
		BUSINESS PHONE:		6196964644

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CUBIC CORP /DE/
		CENTRAL INDEX KEY:			0000026076
		STANDARD INDUSTRIAL CLASSIFICATION:	MEASURING & CONTROLLING DEVICES, NEC [3829]
		IRS NUMBER:				951678055
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		9333 BALBOA AVE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92123
		BUSINESS PHONE:		858 623-0489

	MAIL ADDRESS:	
		STREET 1:		PO BOX 85587
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92186-5587
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>a3.xml
<DESCRIPTION>3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2008-10-13</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000026076</issuerCik>
        <issuerName>CUBIC CORP /DE/</issuerName>
        <issuerTradingSymbol>CUB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001228374</rptOwnerCik>
            <rptOwnerName>GUILES EDWIN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9333 BALBOA AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92123</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>22.50</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2009-10-13</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2018-10-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Date Exercisable:  25% first exercisable in one year.  Thereafter in increments of 1/36th each month.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Edwin A. Guiles</signatureName>
        <signatureDate>2008-10-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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