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        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DICK FORSBERG</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>2.0</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRYSON MONTELEONE</PersonNm>
        <TitleTxt>CHAIRMAN</TitleTxt>
        <AverageHoursPerWeekRt>2.0</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.0</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>0</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>false</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <PersonNm>SMITHBUCKLIN CORPORATION</PersonNm>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>330 N WABASH AVE</AddressLine1Txt>
            <CityNm>CHICAGO</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60611</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MANAGEMENT SERVICES</ServicesDesc>
        <CompensationAmt>1276326</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>1</CntrctRcvdGreaterThan100KCnt>
      <TotalContributionsAmt>0</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>CONFERENCE/MEETINGS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>5979869</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>5979869</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1149868</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1149868</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>AIR SHOW RECEPTIONS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>133973</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>133973</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>APPRAISAL PROGRAM FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>4975</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4975</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>7268685</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>259781</TotalRevenueColumnAmt>
        <ExclusionAmt>259781</ExclusionAmt>
      </InvestmentIncomeGrp>
      <IncmFromInvestBondProceedsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </IncmFromInvestBondProceedsGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>49623</TotalRevenueColumnAmt>
        <ExclusionAmt>49623</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>0</RealAmt>
        <PersonalAmt>0</PersonalAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>951203</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>968033</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>-16830</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>-16830</TotalRevenueColumnAmt>
        <ExclusionAmt>-16830</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <FundraisingGrossIncomeAmt>110825</FundraisingGrossIncomeAmt>
      <FundraisingDirectExpensesAmt>66448</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>44377</TotalRevenueColumnAmt>
        <ExclusionAmt>43377</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <GamingGrossIncomeAmt>0</GamingGrossIncomeAmt>
      <GamingDirectExpensesAmt>0</GamingDirectExpensesAmt>
      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeFromGamingGrp>
      <GrossSalesOfInventoryAmt>0</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>VAT REFUND</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1472</TotalRevenueColumnAmt>
        <ExclusionAmt>1472</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>1472</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>7607108</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>7268685</RelatedOrExemptFuncIncomeAmt>
        <ExclusionAmt>337423</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>670742</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>0</TotalAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>0</TotalAmt>
      </ForeignGrantsGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>0</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>0</TotalAmt>
      </CompCurrentOfcrDirectorsGrp>
      <CompDisqualPersonsGrp>
        <TotalAmt>0</TotalAmt>
      </CompDisqualPersonsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>0</TotalAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>0</TotalAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>0</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>0</TotalAmt>
      </PayrollTaxesGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>223773</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>2020</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>58180</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesProfFundraising>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesProfFundraising>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>28877</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>11526</TotalAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>60518</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>37096</TotalAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>0</TotalAmt>
      </InformationTechnologyGrp>
      <RoyaltiesGrp>
        <TotalAmt>0</TotalAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>0</TotalAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>3646</TotalAmt>
      </TravelGrp>
      <PymtTravelEntrtnmntPubOfclGrp>
        <TotalAmt>0</TotalAmt>
      </PymtTravelEntrtnmntPubOfclGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>3915438</TotalAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>0</TotalAmt>
      </InterestGrp>
      <PaymentsToAffiliatesGrp>
        <TotalAmt>0</TotalAmt>
      </PaymentsToAffiliatesGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>0</TotalAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>9011</TotalAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>AIR SHOW EXPENSES</Desc>
        <TotalAmt>727961</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>APPRAISAL</Desc>
        <TotalAmt>126024</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>LEADERSHIP</Desc>
        <TotalAmt>74553</TotalAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>BANK AND CREDIT CARD FEES</Desc>
        <TotalAmt>42676</TotalAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>275562</TotalAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>6267603</TotalAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>2288708</BOYAmt>
        <EOYAmt>2126211</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>724255</BOYAmt>
        <EOYAmt>923849</EOYAmt>
      </AccountsReceivableGrp>
      <ReceivablesFromOfficersEtcGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </ReceivablesFromOfficersEtcGrp>
      <RcvblFromDisqualifiedPrsnGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </RcvblFromDisqualifiedPrsnGrp>
      <OthNotesLoansReceivableNetGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>540753</BOYAmt>
        <EOYAmt>526473</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>7172291</BOYAmt>
        <EOYAmt>9606816</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <InvestmentsProgramRelatedGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <IntangibleAssetsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>10726007</BOYAmt>
        <EOYAmt>13183349</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>40667</BOYAmt>
        <EOYAmt>56809</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <GrantsPayableGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </GrantsPayableGrp>
      <DeferredRevenueGrp>
        <BOYAmt>1933823</BOYAmt>
        <EOYAmt>2325700</EOYAmt>
      </DeferredRevenueGrp>
      <TaxExemptBondLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </TaxExemptBondLiabilitiesGrp>
      <EscrowAccountLiabilityGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </EscrowAccountLiabilityGrp>
      <LoansFromOfficersDirectorsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </LoansFromOfficersDirectorsGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </UnsecuredNotesLoansPayableGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>77053</BOYAmt>
        <EOYAmt>66420</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>2051543</BOYAmt>
        <EOYAmt>2448929</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>8674464</BOYAmt>
        <EOYAmt>10734420</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <TemporarilyRstrNetAssetsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </TemporarilyRstrNetAssetsGrp>
      <PermanentlyRstrNetAssetsGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </PermanentlyRstrNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>8674464</BOYAmt>
        <EOYAmt>10734420</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>10726007</BOYAmt>
        <EOYAmt>13183349</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>1339505</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>720451</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleC documentId="IRS990ScheduleC">
      <TotalGrassrootsLobbyingGrp />
      <TotalDirectLobbyingGrp />
      <TotalLobbyingExpendGrp />
      <OtherExemptPurposeExpendGrp />
      <TotalExemptPurposeExpendGrp />
      <LobbyingNontaxableAmountGrp />
      <GrassrootsNontaxableGrp />
      <TotLbbyngGrassrootMnsNonTxGrp />
      <TotLbbyExpendMnsLbbyngNonTxGrp />
      <SubstantiallyAllDuesNondedInd>false</SubstantiallyAllDuesNondedInd>
      <OnlyInHouseLobbyingInd>true</OnlyInHouseLobbyingInd>
      <AgreeCarryoverPriorYearInd>false</AgreeCarryoverPriorYearInd>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="IRS990ScheduleD">
      <ArtPublicExhibitionAmountsGrp />
      <HeldWorksArtGrp />
      <CYMinus3YrEndwmtFundGrp />
      <CYMinus4YrEndwmtFundGrp />
      <LandGrp />
      <BuildingsGrp />
      <LeaseholdImprovementsGrp />
      <EquipmentGrp />
      <OtherLandBuildingsGrp />
      <FederalIncomeTaxLiabilityAmt>0</FederalIncomeTaxLiabilityAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>DUE TO ISTA FOUNDATION</Desc>
        <Amt>66420</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>66420</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>8364130</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>720451</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>720451</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>7643679</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>28877</InvestmentExpensesNotIncldAmt>
      <OtherRevenuesNotIncludedAmt>-65448</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>-36571</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>7607108</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>6304174</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesSubtotalAmt>6304174</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>28877</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>-65448</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>-36571</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>6267603</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE D, PART X, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY IS AN ORGANIZATION DESCRIBED IN SECTION 501(C)(6) OF THE INTERNAL REVENUE CODE AND THUS IS GENERALLY NOT SUBJECT TO TAX. THE SOCIETY RECOGNIZES THE FINANCIAL STATEMENT IMPACT OF A TAX POSITION WHEN IT IS MORE LIKELY THAN NOT THAT THE POSITION WILL BE SUSTAINED UPON EXAMINATION. THE SOCIETY HAS NO ONGOING FEDERAL OR STATE INCOME TAX AUDITS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS</FormAndLineReferenceDesc>
        <ExplanationTxt>SPECIAL EVENTS EXPENSES -66,448 ANNUAL GOLF RECEIPTS NOT RECORDED 1,000 TOTAL -65,448</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS</FormAndLineReferenceDesc>
        <ExplanationTxt>SPECIAL EVENTS EXPENSES -66,448 GRANTS ISSUED NOT RECORDED 1,000 TOTAL -65,448</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="IRS990ScheduleF">
      <GrantRecordsMaintainedInd>false</GrantRecordsMaintainedInd>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Europe (Including Iceland and Greenland)</RegionTxt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>NETWORKING EVENT</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>2021636</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>North America</RegionTxt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>NETWORKING EVENT</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>1668022</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>East Asia and the Pacific</RegionTxt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>NETWORKING EVENT</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>640896</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Central America and the Caribbean</RegionTxt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>NETWORKING EVENT</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>174953</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>Middle East and North Africa</RegionTxt>
        <TypeOfActivitiesConductedTxt>Program Services</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>NETWORKING EVENT</SpecificServicesProvidedTxt>
        <RegionTotalExpendituresAmt>88009</RegionTotalExpendituresAmt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalSpentAmt>4593516</SubtotalSpentAmt>
      <TotalSpentAmt>4593516</TotalSpentAmt>
      <TransferToForeignCorpInd>false</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>false</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>false</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>false</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleG documentId="IRS990ScheduleG">
      <FundraisingEventInformationGrp>
        <Event1Nm>ANNUAL GOLF</Event1Nm>
        <GrossReceiptsEvent1Amt>110825</GrossReceiptsEvent1Amt>
        <GrossRevenueEvent1Amt>110825</GrossRevenueEvent1Amt>
        <RentFacilityCostsEvent1Amt>32248</RentFacilityCostsEvent1Amt>
        <FoodAndBeverageEvent1Amt>20515</FoodAndBeverageEvent1Amt>
        <OtherDirectExpensesEvent1Amt>13685</OtherDirectExpensesEvent1Amt>
        <OtherEventsTotalCnt>0</OtherEventsTotalCnt>
        <GrossReceiptsTotalAmt>110825</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>110825</GrossRevenueTotalEventsAmt>
        <RentFcltyCostsTotalEventsAmt>32248</RentFcltyCostsTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>20515</FoodAndBeverageTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>13685</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>66448</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>44377</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="IRS990ScheduleI">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>ISTAT FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>330 N WABASH AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60611</ZIPCd>
        </USAddress>
        <RecipientEIN>541742507</RecipientEIN>
        <IRCSectionDesc>501(C)3</IRCSectionDesc>
        <CashGrantAmt>669742</CashGrantAmt>
        <ValuationMethodUsedDesc>Cash</ValuationMethodUsedDesc>
        <PurposeOfGrantTxt>funds for scholarships, grants, and educational programs</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>1</Total501c3OrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I Description of Procedure for Monitoring Use of Funds</FormAndLineReferenceDesc>
        <ExplanationTxt>Maintains records to substantiate grant amounts and eligiblity required by regulations.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 4D, OTHER PROGRAM SERVICES</FormAndLineReferenceDesc>
        <ExplanationTxt>APPRAISAL PROGRAMS: THE APPRAISAL PROGRAM PROVIDES CERTIFICATION AND CONTINUING EDUCATION OPPORTUNITIES FOR THOSE ENGAGED IN THE APPRAISAL FIELD OF AIRCRAFT TRADING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>SMITHBUCKLIN CORP., AN ASSOCIATION MANAGEMENT COMPANY, MANAGES ALL ASPECTS OF THE ORGANIZATION'S OPERATIONS IN ACCORDANCE WITH ORGANIZATION'S BYLAWS AND POLICIES. OPERATIONS MAY INCLUDE BUT ARE NOT LIMITED TO: ADMINISTRATION, MEMBERSHIP, FINANCE AND ACCOUNTING, CONVENTION/TRADESHOW/MEETING PLANNING, EDUCATION, MARKETING AND INFORMATION TECHNOLOGY AND GOVERNMENT RELATIONS. SMITHBUCKLIN EMPLOYEES PROVIDE THESE SERVICES AND TOTAL FEES PAID TO SMITHBUCKLIN WERE $1,276,326.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>ISTAT HAS INDIVIDUAL MEMBERS, CORPORATE MEMBERS AND AIRLINE MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MEMBERS ELECT THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11A</FormAndLineReferenceDesc>
        <ExplanationTxt>PREPARED BY THE AUDITORS, REVIEWED BY ACCOUNTING, PRESENTED TO AE, SENT TO TREASURER FOR REVIEW AND SIGNATURE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD IS REQUIRED ANNUALLY TO DISCLOSE ANY CONFLICT OF INTEREST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THESE DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>ISTAT Foundation</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>330 N Wabash Ave</AddressLine1Txt>
          <CityNm>Chicago</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60611</ZIPCd>
        </USAddress>
        <EIN>541742507</EIN>
        <PrimaryActivitiesTxt>Scholarships</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>170(B)(1)</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>ISTAT</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>true</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>int'l Soc of Transport Aircraft Trading Fdn</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>b</TransactionTypeTxt>
        <InvolvedAmt>670742</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>cash</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II, IDENTIFICATION OF RELATED TAX-EXEMPT ORGANIZATIONS:</FormAndLineReferenceDesc>
        <ExplanationTxt>NAME OF RELATED ORGANIZATION: ISTAT FOUNDATION PRIMARY ACTIVITY: PROVIDE FUNDS FOR SCHOLARSHIPS, EDUCATIONAL PROGRAMS AND GRANTS TO QUALIFIED</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>