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        <Total>0</Total>
      </PaymentsToAffiliates>
      <DepreciationDepletion>
        <Total>255757</Total>
        <ProgramServices>255757</ProgramServices>
      </DepreciationDepletion>
      <Insurance>
        <Total>78774</Total>
        <ProgramServices>78689</ProgramServices>
        <ManagementAndGeneral>85</ManagementAndGeneral>
      </Insurance>
      <OtherExpenses>
        <Description>JPL RELATED EXPENSES</Description>
        <Total>2298500</Total>
        <ProgramServices>2298500</ProgramServices>
      </OtherExpenses>
      <OtherExpenses>
        <Description>SUBCONTRACTS</Description>
        <Total>804046</Total>
        <ProgramServices>760164</ProgramServices>
        <ManagementAndGeneral>43882</ManagementAndGeneral>
      </OtherExpenses>
      <OtherExpenses>
        <Description>FEES</Description>
        <Total>78541</Total>
        <ProgramServices>36400</ProgramServices>
        <ManagementAndGeneral>42141</ManagementAndGeneral>
      </OtherExpenses>
      <OtherExpenses>
        <Description>CALTECH SERVICES</Description>
        <Total>39215</Total>
        <ManagementAndGeneral>39215</ManagementAndGeneral>
      </OtherExpenses>
      <AllOtherExpenses>
        <Total>8668</Total>
        <ProgramServices>2605</ProgramServices>
        <ManagementAndGeneral>6063</ManagementAndGeneral>
      </AllOtherExpenses>
      <TotalFunctionalExpenses>
        <Total>13054014</Total>
        <ProgramServices>11370146</ProgramServices>
        <ManagementAndGeneral>1683868</ManagementAndGeneral>
        <Fundraising>0</Fundraising>
      </TotalFunctionalExpenses>
      <CashNonInterestBearing>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </CashNonInterestBearing>
      <SavingsAndTempCashInvestments>
        <BOY>10150621</BOY>
        <EOY>11558452</EOY>
      </SavingsAndTempCashInvestments>
      <PledgesAndGrantsReceivable>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </PledgesAndGrantsReceivable>
      <AccountsReceivable>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </AccountsReceivable>
      <ReceivablesFromOfficersEtc>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </ReceivablesFromOfficersEtc>
      <ReceivablesFromDisqualPersons>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </ReceivablesFromDisqualPersons>
      <OtherNotesLoansReceivableNet>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </OtherNotesLoansReceivableNet>
      <InventoriesForSaleOrUse>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </InventoriesForSaleOrUse>
      <PrepaidExpensesDeferredCharges>
        <BOY>37538</BOY>
        <EOY>118551</EOY>
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      <LandBuildingsEquipmentBasis>1598780</LandBuildingsEquipmentBasis>
      <LandBldgEquipmentAccumDeprec>929416</LandBldgEquipmentAccumDeprec>
      <LandBuildingsEquipmentBasisNet>
        <BOY>899954</BOY>
        <EOY>669364</EOY>
      </LandBuildingsEquipmentBasisNet>
      <InvestmentsPubTradedSecurities>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </InvestmentsPubTradedSecurities>
      <InvestmentsOtherSecurities>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </InvestmentsOtherSecurities>
      <InvestmentsProgramRelated>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </InvestmentsProgramRelated>
      <IntangibleAssets>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </IntangibleAssets>
      <OtherAssetsTotal>
        <BOY>86</BOY>
        <EOY>0</EOY>
      </OtherAssetsTotal>
      <TotalAssets>
        <BOY>11088199</BOY>
        <EOY>12346367</EOY>
      </TotalAssets>
      <AccountsPayableAccruedExpenses>
        <BOY>1178321</BOY>
        <EOY>814682</EOY>
      </AccountsPayableAccruedExpenses>
      <GrantsPayable>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </GrantsPayable>
      <DeferredRevenue>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </DeferredRevenue>
      <TaxExemptBondLiabilities>
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        <EOY>0</EOY>
      </TaxExemptBondLiabilities>
      <EscrowAccountLiability>
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      <LoansFromOfficersDirectors>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </LoansFromOfficersDirectors>
      <MortNotesPyblSecuredInvestProp>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </MortNotesPyblSecuredInvestProp>
      <UnsecuredNotesLoansPayable>
        <BOY>0</BOY>
        <EOY>0</EOY>
      </UnsecuredNotesLoansPayable>
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        <BOY>1958699</BOY>
        <EOY>1339965</EOY>
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      <TotalLiabilities>
        <BOY>3137020</BOY>
        <EOY>2154647</EOY>
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      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
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      <TemporarilyRestrictedNetAssets>
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      </TemporarilyRestrictedNetAssets>
      <PermanentlyRestrictedNetAssets>
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        <EOY>0</EOY>
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      <TotalNetAssetsFundBalances>
        <BOY>7951179</BOY>
        <EOY>10191720</EOY>
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      <TotalLiabNetAssetsFundBalances>
        <BOY>11088199</BOY>
        <EOY>12346367</EOY>
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      <ReconcilationRevenueExpenses>2240541</ReconcilationRevenueExpenses>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>false</AccountantCompileOrReview>
      <FSAudited>true</FSAudited>
      <AuditCommittee>true</AuditCommittee>
      <FinancialStatementSeparate>X</FinancialStatementSeparate>
      <FederalGrantAuditRequired>false</FederalGrantAuditRequired>
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        <CurrentTaxYearMinus4Years>9321411</CurrentTaxYearMinus4Years>
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        <CurrentTaxYear>855</CurrentTaxYear>
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        <CurrentTaxYearMinus1Year>0</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>0</CurrentTaxYear>
        <Total>0</Total>
      </OtherIncome170>
      <TotalSupport>74464237</TotalSupport>
      <PublicSupportPertcentage170>0.99166</PublicSupportPertcentage170>
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    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB">
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        <BookValue>200970</BookValue>
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        <BookValue>468394</BookValue>
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        <Description>TECHNOLOGY</Description>
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      <TotalExpensesPerForm990>13054014</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIV>
        <Identifier>SCHEDULE D, PART X, LINE 2:</Identifier>
        <Explanation>THE FINANCIAL STATEMENTS DID NOT REPORT A FIN 48 LIABILITY.</Explanation>
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    <IRS990ScheduleF documentId="IRS990ScheduleF">
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        <NumberOfEmployees>3</NumberOfEmployees>
        <TypeOfActivitiesConducted>Program Services</TypeOfActivitiesConducted>
        <SpecificServicesProvided>ENGINEERING SERVICES</SpecificServicesProvided>
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    </IRS990ScheduleF>
    <IRS990ScheduleI documentId="IRS990ScheduleI">
      <RecordsMaintained>true</RecordsMaintained>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>HAWAII ISLAND WORKFORCE &amp; ECON DEV OHANA INC</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>1990 KINOOLE ST STE 102</AddressLine1>
          <City>Hilo</City>
          <State>HI</State>
          <ZIPCode>96720</ZIPCode>
        </AddressUS>
        <EINOfRecipient>201550014</EINOfRecipient>
        <IRCSection>501(c)(3)</IRCSection>
        <AmountOfCashGrant>10000</AmountOfCashGrant>
        <PurposeOfGrant>Outreach support</PurposeOfGrant>
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      <Form990ScheduleIPartIV>
        <Identifier>SCHEDULE I, PART I, LINE 2:</Identifier>
        <Explanation>TMT'S OUTREACH AWARDS REQUIRE THAT THE RECEIVING ORGANIZATION SUBMIT A FINAL REPORT OUTLINING THE USE OF THE FUNDS WITHIN 90 DAYS OF SCHEDULED PROGRAM COMPLETION. TMT HAS THE RIGHT TO CANCEL AND TO OBTAIN REIMBURSEMENT OF FUNDS NOT USED IN PURSUIT OF APPROVED PROGRAM OBJECTIVES.</Explanation>
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    </IRS990ScheduleI>
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      <CompensationSurvey>X</CompensationSurvey>
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      <InitialContractException>false</InitialContractException>
      <Form990ScheduleJPartII>
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      <Form990ScheduleJPartII>
        <NamePerson>MARK SIROTA</NamePerson>
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      <Form990ScheduleJPartII>
        <NamePerson>BRENT ELLERBROEK</NamePerson>
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      <Form990ScheduleJPartII>
        <NamePerson>PETER GRAY</NamePerson>
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        <BonusFilingOrg>0</BonusFilingOrg>
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      </Form990ScheduleJPartII>
      <Form990ScheduleJPartIII>
        <Identifier>SCHEDULE J, PART I, LINE 1A AND 1B:</Identifier>
        <Explanation>In connection with certain payments received in lieu of retirement benefits, an officer of the organization was provided a gross up payment. This amount is included in taxable income. SCHEDULE J, PART I, LINE 3: Henry Yang, the CEO, is not compensated by TMT. While TMT does not have an Executive Director, Gary Sanders, the Project Manager, is in control of the day-to-day operations of the organization. SCHEDULE J, PART II: GARY SANDERS RECEIVED A FORM W-2 FROM THE CALIFORNIA INSTITUTE OF TECHNOLOGY DURING CALENDAR YEAR 2011. TMT OBSERVATORY CORPORATION REIMBURSES CALTECH FOR HIS COMPENSATION AND BENEFITS.</Explanation>
      </Form990ScheduleJPartIII>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <GeneralExplanation>
        <Identifier>PART I, LINE 1 AND PART III, LINEs 1 &amp; 4A:</Identifier>
        <ReturnReference>ORGANIZATION'S MISSION AND PROGRAM SERVICE ACTIVITY</ReturnReference>
        <Explanation>TMT OBSERVATORY CORPORATION (TMT) IS A NONPROFIT PUBLIC BENEFIT CORPORATION FOUNDED BY THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (UC) AND CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH), HEREINAFTER COLLECTIVELY "FOUNDING MEMBERS" AND WAS ORIGINALLY INCORPORATED AS THE "CELT DEVELOPMENT CORPORATION" ON OCTOBER 30, 2003. THE FOUNDING MEMBERS ESTABLISHED TMT FOR THE INITIAL PURPOSE OF DEVELOPING THE DESIGN OF A GIANT SEGMENTED MIRROR TELESCOPE, THE THIRTY METER TELESCOPE, WITH THE POTENTIAL OF CONSTRUCTING, COMMISSIONING AND OPERATING AN OBSERVATORY. IN ADDITION TO THE GOALS AND MISSIONS AS DESCRIBED ABOVE, TMT WILL FOSTER SCIENTIFIC INTERACTION BETWEEN EDUCATIONAL AND RESEARCH INSTITUTIONS TO FURTHER COLLEGE AND UNIVERSITY EDUCATIONAL RESEARCH IN ASTRONOMY.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, LINE 2:</Identifier>
        <ReturnReference>BUSINESS RELATIONSHIPS</ReturnReference>
        <Explanation>DIRECTOR, DR. HENRY YANG, IS CHANCELLOR AT THE UNIVERSITY OF CALIFORNIA, SANTA BARBARA. DIRECTOR, DR. MICHAEL BOLTE, AND TREASURER, NATHAN BROSTROM, ARE EMPLOYED BY THE UNIVERSITY OF CALIFORNIA.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, LINES 6 AND 7:</Identifier>
        <ReturnReference>MEMBERS</ReturnReference>
        <Explanation>TMT HAS TWO MEMBERS UNIVERSITY OF CALIFORNIA (UC) AND CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH). Governance decisions of the organization including the appointment and number of directors, admission of new members and the terms of such admission are reserved to the members of the organization.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, LINE 11B:</Identifier>
        <ReturnReference>PROCESS USED BY THE ORGANIZATION TO REVIEW FORM 990</ReturnReference>
        <Explanation>WORKING WITH PRICEWATERHOUSECOOPERS, LLP ("PWC"), THE FORM 990 IS PREPARED. THE FORM 990 IS THEN REVIEWED BY MANAGEMENT AND THE AUDIT COMMITTEE. PRIOR TO FILING WITH THE IRS THE FINAL FORM 990 IS MADE AVAILABLE TO THE FULL BOARD. PWC SIGNS THE RETURN AS PAID PREPARER AND ELECTRONICALLY FILES THE RETURN WITH THE IRS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, LINE 12C:</Identifier>
        <ReturnReference>CONFLICT OF INTEREST POLICY</ReturnReference>
        <Explanation>ON AN ANNUAL BASIS, TMT OBSERVATORY CORPORATION ("TMT") DISTRIBUTES CONFLICT OF INTEREST LETTERS WHICH THE BOARD MEMBERS AND KEY EMPLOYEES COMPLETE AND RETURN. MANAGEMENT OF TMT REVIEWS THE RETURNED FORMS FOR COMPLIANCE. IF A CONFLICT IS DISCOVERED IT IS ESCALATED TO THE APPROPRIATE PARTY WITHIN THE ORGANIZATION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, LINE 15:</Identifier>
        <ReturnReference>PROCESS OF DETERMINING COMPENSATION</ReturnReference>
        <Explanation>TMT has an executive compensation committee that annually reviews the compensation of the organizations key employees and highest compensated employees. The committees deliberations are documented. The committee does not review ALL employees' compensation, only key employees and highest compensated employees.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, LINE 19:</Identifier>
        <ReturnReference>AVAILABILITY OF GOVERNING DOCUMENTS AND POLICIES</ReturnReference>
        <Explanation>DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST. FORM 990, PART VII: GARY SANDERS RECEIVED A FORM W-2 FROM THE CALIFORNIA INSTITUTE OF TECHNOLOGY DURING CALENDAR YEAR 2011. TMT OBSERVATORY CORPORATION REIMBURSES CALTECH FOR HIS COMPENSATION AND BENEFITS.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>