<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0603</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001303849</cik>
        <entityName>Avantair, Inc</entityName>
        <issuerAddress>
            <street1>4311 GENERAL HOWARD DR</street1>
            <city>CLEARWATER</city>
            <stateOrCountry>FL</stateOrCountry>
            <zipCode>33762</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>727-539-0071</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
            <previousName>Ardent Acquisition Corp.</previousName>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <previousName>Ardent Acquisition CORP</previousName>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <withinFiveYears>true</withinFiveYears>
            <value>2004</value>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Steven</firstName>
                <middleName>F.</middleName>
                <lastName>Santo</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chief Executive Officer and Director</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <middleName>A.</middleName>
                <lastName>Pytak, Jr.</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chief Financial Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kevin</firstName>
                <lastName>Beitzel</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chief Operating Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Barry</firstName>
                <middleName>J.</middleName>
                <lastName>Gordon</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chairman of the Board</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Arthur</firstName>
                <middleName>H.</middleName>
                <lastName>Goldberg</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Stephanie</firstName>
                <middleName>A.</middleName>
                <lastName>Cuskley</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>A.</firstName>
                <middleName>Clinton</middleName>
                <lastName>Allen</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <middleName>J.</middleName>
                <lastName>Lepofsky</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Richard</firstName>
                <middleName>B.</middleName>
                <lastName>DeWolfe</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Allison</firstName>
                <lastName>Roberto</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>4311 General Howard Drive</street1>
                <city>Clearwater</city>
                <stateOrCountry>FL</stateOrCountry>
                <zipCode>33762</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>General Counsel</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Airlines and Airports</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Over $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001144204-09-036078</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2009-06-30</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>EarlyBirdCapital, Inc.</recipientName>
                <recipientCRDNumber>28269</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>One Huntington Quadrangle</street1>
                    <street2>Suite 4C18</street2>
                    <city>Melville</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <zipCode>11747</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>CA</state>
                    <state>CT</state>
                    <state>IL</state>
                    <state>ME</state>
                    <state>MA</state>
                    <state>NV</state>
                    <state>NY</state>
                    <state>OR</state>
                    <state>VA</state>
                </statesOfSolicitationList>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>10420947</totalOfferingAmount>
            <totalAmountSold>10420947</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>$1,418,000 sold as of 06/30/2009
$625,000 sold as of 09/25/2009
$8,377,947.35 sold as of 10/16/2009</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>27</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>433093</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
                <isEstimate>true</isEstimate>
            </findersFees>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Avantair, Inc</issuerName>
                <signatureName>/s/ Richard A. Pytak, Jr.</signatureName>
                <nameOfSigner>Richard A. Pytak, Jr.</nameOfSigner>
                <signatureTitle>Chief Financial Officer</signatureTitle>
                <signatureDate>2009-10-22</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
