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  <xsd:element id="utx_ScheduleOfForeignExchangeContractsNotDesignatedAsHedgesGainLossInStatementOfFinancialPerformanceTextBlock" name="ScheduleOfForeignExchangeContractsNotDesignatedAsHedgesGainLossInStatementOfFinancialPerformanceTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
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  <xsd:element id="utx_ShortTermDebtLoanMaximumBorrowingCapacity" name="ShortTermDebtLoanMaximumBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element id="utx_StockholdersEquityAndNoncontrollingInterestDisclosureTextBlock" name="StockholdersEquityAndNoncontrollingInterestDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
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  <xsd:element id="utx_TaxDeductionsClaimedInFranceForTaxYears2008Through2010ThatDisallowedByFrenchRevenueAuthority" name="TaxDeductionsClaimedInFranceForTaxYears2008Through2010ThatDisallowedByFrenchRevenueAuthority" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
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  <xsd:element abstract="true" id="utx_USAirForceClaimAgainstPrattAndWhitneyrMember" name="USAirForceClaimAgainstPrattAndWhitneyrMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="utx_UTCAerospaceSystemsMember" name="UTCAerospaceSystemsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
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  <xsd:element id="utx_VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities" name="VariableInterestEntityConsolidatedCarryingAmountCurrentLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
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</xsd:schema>
