-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 N8s/C16X2sawe3iBTsxMBlqpbkWvDQWMeP2TXb0M5Wvwi4R3dQelP4a6lkXF3lH/
 7rp9C16o3uY7hj3uLNqPdA==

<SEC-DOCUMENT>0001179110-06-000246.txt : 20060104
<SEC-HEADER>0001179110-06-000246.hdr.sgml : 20060104
<ACCEPTANCE-DATETIME>20060104152537
ACCESSION NUMBER:		0001179110-06-000246
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060103
FILED AS OF DATE:		20060104
DATE AS OF CHANGE:		20060104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HELFET ANTHONY B
		CENTRAL INDEX KEY:			0001248241

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16609
		FILM NUMBER:		06507138

	BUSINESS ADDRESS:	
		STREET 1:		ALLIANCE IMAGING INC
		STREET 2:		1900 S STATE COLLEGE BLVD STE 600
		CITY:			ANAHEIM
		STATE:			CA
		ZIP:			92806
		BUSINESS PHONE:		7146887100

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLIANCE IMAGING INC /DE/
		CENTRAL INDEX KEY:			0000817135
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				330239910
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1065 N PACIFICENTER DR
		STREET 2:		STE 200
		CITY:			ANAHEIM
		STATE:			CA
		ZIP:			92806-2131
		BUSINESS PHONE:		7146887100

	MAIL ADDRESS:	
		STREET 1:		1065 N PACIFICENTER DR
		STREET 2:		STE 200
		CITY:			ANAHEIM
		STATE:			CA
		ZIP:			92806-2131
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-01-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000817135</issuerCik>
        <issuerName>ALLIANCE IMAGING INC /DE/</issuerName>
        <issuerTradingSymbol>AIQ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001248241</rptOwnerCik>
            <rptOwnerName>HELFET ANTHONY B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1900 S. STATE COLLEGE BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>ANAHEIM</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92806</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>5.95</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-01-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1050.4</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.95</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1050.4</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17375.447</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The phantom shares are to be settled in common stock upon the reporting person's separation from the Issuer's Board of Directors on a one for one basis for shares of common stock.</footnote>
        <footnote id="F2">The phantom stock units were accrued under the Issuer's Directors' Deferred Compensation Plan during the fourth quarter of 2005 at $5.95 per phantom share.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Russell D. Phillips, Jr.</signatureName>
        <signatureDate>2006-01-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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