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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,
 HRTxnUNQVkjKmj7UEF6PnG2O2WWrchVIAkcTguazW2ohRt9tfRjsgR8/Ak3sDvcD
 wf9mAu6KXgAzpksTRlvbHg==

<SEC-DOCUMENT>0001181431-10-025974.txt : 20100512
<SEC-HEADER>0001181431-10-025974.hdr.sgml : 20100512
<ACCEPTANCE-DATETIME>20100512130715
ACCESSION NUMBER:		0001181431-10-025974
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100511
FILED AS OF DATE:		20100512
DATE AS OF CHANGE:		20100512

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HART JOHN C
		CENTRAL INDEX KEY:			0001230419

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21918
		FILM NUMBER:		10823576

	MAIL ADDRESS:	
		STREET 1:		27700 SW PARKWAY AVENUE
		CITY:			WILSONVILLE
		STATE:			OR
		ZIP:			97070

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FLIR SYSTEMS INC
		CENTRAL INDEX KEY:			0000354908
		STANDARD INDUSTRIAL CLASSIFICATION:	SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL SYS [3812]
		IRS NUMBER:				930708501
		STATE OF INCORPORATION:			OR
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		27700 SW PARKWAY AVENUE
		CITY:			WILSONVILLE
		STATE:			OR
		ZIP:			97070
		BUSINESS PHONE:		5034983547

	MAIL ADDRESS:	
		STREET 1:		27700 SW PARKWAY AVENUE
		CITY:			WILSONVILLE
		STATE:			OR
		ZIP:			97070
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd275296.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-05-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000354908</issuerCik>
        <issuerName>FLIR SYSTEMS INC</issuerName>
        <issuerTradingSymbol>FLIR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001230419</rptOwnerCik>
            <rptOwnerName>HART JOHN C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>27700 SW PARKWAY AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WILSONVILLE</rptOwnerCity>
            <rptOwnerState>OR</rptOwnerState>
            <rptOwnerZipCode>97070</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1160</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>29.825</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>900</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>David A. Muessle, Attorney-in-fact for John C. Hart</signatureName>
        <signatureDate>2010-05-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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