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      <TotalExpensesPerForm990Amt>154991</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part X, Line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>FIN 48 (ASC 740) FOOTNOTE: THE TRUST, AS ESTABLISHED ON JUNE 1, 1981, HAS BEEN DETERMINED BY THE INTERNAL REVENUE SERVICE TO BE EXEMPT FROM INCOME TAXES PURSUANT TO THE PROVISIONS OF SECTIONS 501(A) AND 501(C)(9) OF THE INTERNAL REVENUE CODE (IRC).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule D, Part X, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE THE PLAN ADMINISTRATION TO EVALUATE TAX POSITIONS TAKEN BY THE PLAN AND RECOGNIZE A TAX LIABILITY FOR ANY UNCERTAIN POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE INTERNAL REVENUE SERVICE (IRS). THE PLAN IS SUBJECT TO ROUTINE AUDITS BY TAX AUTHORITIES; HOWEVER, THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIODS IN PROGRESS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PAUL HEDRICK</PersonNm>
        <TitleTxt>RLIT TRUSTEE</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>395405</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>146466</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>3942</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>26330</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>47987</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>620130</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRIAN CROWLEY</PersonNm>
        <TitleTxt>RLIT TRUSTEE</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>209541</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>42518</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>2388</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>18350</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>45273</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>318070</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CARLA GARCIA-HARRELL</PersonNm>
        <TitleTxt>RLIT TRUSTEE - Through 11/2022</TitleTxt>
        <BaseCompensationFilingOrgAmt>0</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>12955</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>4334</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>17289</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="R000004" softwareId="23018249" softwareVersionNum="v1.00">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part I, Line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>TO PROVIDE RETIREE LIFE INSURANCE TO PLAN PARTICIPANTS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AAR RETIREE LIFE INSURANCE TRUST HAS NO EMPLOYEES. ITS TRUSTEES ARE GOVERNED BY, AND ARE IN COMPLIANCE WITH, THE PROVISIONS OF THE TRUST DOCUMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>THE 2023 RETURN IS REVIEWED WITH THE OFFICER, WHO ALSO SERVES AS THE PLAN ADMINISTRATOR, PRIOR TO THE RETURN BEING FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT HAVE AN ORGANIZATION-SPECIFIC CONFLICT OF INTEREST POLICY; HOWEVER, ITS TRUSTEES ARE GOVERNED BY SUCH POLICIES OF THE AAR AND COMPLIANCE WITH ITS POLICIES IS MONITORED BY THE AAR. THE AAR'S CONFLICT OF INTEREST POLICY REQUIRES EMPLOYEES, DIRECTORS, AND TRUSTEES, ON AN ONGOING BASIS, TO IMMEDIATELY REPORT ANY CONFLICT OR POTENTIAL CONFLICT. WHEN AN EMPLOYEE, DIRECTOR, OR TRUSTEE REASONABLY BELIEVES THAT A CONFLICT OF INTEREST MAY EXIST OR APPEAR TO EXIST, THE EMPLOYEE, DIRECTOR, OR TRUSTEE MUST COMPLY AND FULLY DISCLOSE THE CONFLICT, REFRAIN FROM PARTICIPATION IN THE MATTER UNTIL THE QUESTION IS RESOLVED, AND FOLLOW ANY DIRECTIONS GIVEN BY THE ORGANIZATION CONCERNING THE MATTER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC TO THE EXTENT REQUIRED BY LAW.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="R000005" softwareId="23018249" softwareVersionNum="v1.00">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Association of American Railroads</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>425 THIRD ST SW</AddressLine1Txt>
          <AddressLine2Txt>STE 1000</AddressLine2Txt>
          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20024</ZIPCd>
        </USAddress>
        <EIN>536000125</EIN>
        <PrimaryActivitiesTxt>Trade Association</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501 (c) 6</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>N/A</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>1</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>Association of American Railroads</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>m</TransactionTypeTxt>
        <InvolvedAmt>0</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>N/A TOTAL EST AMNT &lt;$50,000</MethodOfAmountDeterminationTxt>
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    </IRS990ScheduleR>
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      <ExplanationTxt>HISTORICALLY THIS 990 FORM HAS BEEN FILED UNDER EXTENSION BY NOVEMBER 15 AFTER THE AUDIT AND FORM 5500 FIGURES ARE AVAILABLE. DUE TO A 2024 STAFF TRANSITION, THE ORGANIZATION MISSED FILING THE EXTENSION FOR THIS 990. THE EXTENSION WAS OVERLOOKED BECAUSE TWO RELATED ORGANIZATIONS' 990S ARE FILED BY A THIRD PARTY PREPARER, BUT THE EXTENSION FOR THIS ORGANIZATION HAD HISTORICALLY BEEN FILED BY STAFF (WHO HAD LEFT IN FEBRUARY 2024). AS A NONPROFIT 501(C)9, WE RESPECTFULLY REQUEST THE PENALTY FOR LATE FILING BE WAIVED DUE TO THIS OVERSIGHT. MEASURES HAVE BEEN TAKEN TO ENSURE THIS ERROR DOES NOT RECUR IN THE FUTURE.</ExplanationTxt>
    </ReasonableCauseExplanation>
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</Return>