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      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
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      <ReconcilationRevenueExpnssAmt>1575189</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-147</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
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        <CurrentTaxYearAmt>145911</CurrentTaxYearAmt>
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      <SubstantialContributorsTotAmt>0</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>5703838</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
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        <CurrentTaxYearMinus3YearsAmt>11226</CurrentTaxYearMinus3YearsAmt>
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      <UnrelatedBusinessNetIncm170Grp>
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      <TotalSupportAmt>5799860</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>1373755</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.98340</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.98840</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
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        <ContributorUSAddress>
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          <AddressLine2>RESTRICTED</AddressLine2>
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          <State>RESTRICTED</State>
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      <ArtPublicExhibitionAmountsGrp>
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        <AssetsIncludedAmt>12888967</AssetsIncludedAmt>
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      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <SolicitedAssetsSaleInd>false</SolicitedAssetsSaleInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>25000</OtherCostOrOtherBasisAmt>
        <BookValueAmt>25000</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>3162616</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>1130781</DepreciationAmt>
        <BookValueAmt>2031835</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>871072</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>810879</DepreciationAmt>
        <BookValueAmt>60193</BookValueAmt>
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      <EquipmentGrp>
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        <DepreciationAmt>3138286</DepreciationAmt>
        <BookValueAmt>6415922</BookValueAmt>
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      <OtherLandBuildingsGrp>
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        <BookValueAmt>3337108</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>11870058</TotalBookValueLandBuildingsAmt>
      <TotalBookValueSecuritiesAmt>3301783</TotalBookValueSecuritiesAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Capital Lease Obligation</Desc>
        <Amt>14718</Amt>
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      <OtherLiabilitiesOrgGrp>
        <Desc>Due to Donor</Desc>
        <Amt>3568</Amt>
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      <TotalLiabilityAmt>18286</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>4260283</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-146</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>193336</DonatedServicesAndUseFcltsAmt>
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      <RevenueSubtotalAmt>4067093</RevenueSubtotalAmt>
      <TotalRevenuePerForm990Amt>4067093</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>2685240</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>193336</DonatedServicesUseFcltsAmt>
      <ExpensesNotReportedAmt>193336</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>2491904</ExpensesSubtotalAmt>
      <TotalExpensesPerForm990Amt>2491904</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 1a: If organization elected under SFAS 116 to not report are, historical treasures, o</FormAndLineReferenceDesc>
        <ExplanationTxt>Vintage Air Planes are stored in museums for public viewing and labeled to inform of the historical value.</ExplanationTxt>
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    </IRS990ScheduleD>
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      <AgrmtProfFundraisingActyInd>false</AgrmtProfFundraisingActyInd>
      <FundraisingEventInformationGrp>
        <Event1Nm>Gala</Event1Nm>
        <GrossReceiptsEvent1Amt>106572</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>106572</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>33733</OtherDirectExpensesEvent1Amt>
        <Event2Nm>Hangar Dance</Event2Nm>
        <GrossReceiptsEvent2Amt>17629</GrossReceiptsEvent2Amt>
        <GrossRevenueEvent2Amt>17629</GrossRevenueEvent2Amt>
        <OtherDirectExpensesEvent2Amt>8341</OtherDirectExpensesEvent2Amt>
        <GrossReceiptsTotalAmt>124201</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>124201</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>42074</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>42074</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>82127</NetIncomeSummaryAmt>
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      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Steven Hinton</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>President</RelationshipDescriptionTxt>
        <TransactionAmt>133125</TransactionAmt>
        <TransactionDesc>Service Agreement</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
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    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="IRS990ScheduleM" softwareId="18007218" softwareVersionNum="2018v3.1">
      <WorksOfArtGrp>
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        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>12000</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Estimate</MethodOfDeterminingRevenuesTxt>
      </WorksOfArtGrp>
      <HistoricalArtifactsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>2</ContributionCnt>
        <NoncashContributionsRptF990Amt>1719500</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Appraisal</MethodOfDeterminingRevenuesTxt>
      </HistoricalArtifactsGrp>
      <Form8283ReceivedCnt>1</Form8283ReceivedCnt>
      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>false</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
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    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="18007218" softwareVersionNum="2018v3.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 2: Description of Business or Family Relationship of Officers, Directors, Et</FormAndLineReferenceDesc>
        <ExplanationTxt>Hinton, Steven and KarenHusband and WifeJohn Maloney and Karen HintonSister and BrotherMaloney, John and KristenHusband and WifeSteven Hinton IISon of Steven and Karen Hinton</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b: Form 990 Review Process</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 will be circulated to all board members for their review and acknowledgement of same.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees</FormAndLineReferenceDesc>
        <ExplanationTxt>The Museum uses the Guidestar Nonprofit salary survey for compensation review and approval.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>Governing docs, policies, and financial statements are available upon the request.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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</Return>