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  <xs:element id="tdg_A2.504.50InterestRateCollarEffectiveSeptember302026AndMaturingSeptember302027Member" abstract="true" name="A2.504.50InterestRateCollarEffectiveSeptember302026AndMaturingSeptember302027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tdg_ScheduleofNotionalAmountsAbstract" abstract="true" name="ScheduleofNotionalAmountsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tdg_InterestRateCollarMember" abstract="true" name="InterestRateCollarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tdg_DerivativeReclassificationAxis" abstract="true" name="DerivativeReclassificationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tdg_DerivativeReclassificationDomain" abstract="true" name="DerivativeReclassificationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tdg_NetSalesMember" abstract="true" name="NetSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tdg_InterestExpenseNetMember" abstract="true" name="InterestExpenseNetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tdg_DerivativeGainLossOnDerivativeTaxExpenseBenefit" abstract="false" name="DerivativeGainLossOnDerivativeTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tdg_PensionLiabilityAdjustmentsNet" abstract="false" name="PensionLiabilityAdjustmentsNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tdg_KevinSteinMember" abstract="true" name="KevinSteinMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tdg_JoelReissMember" abstract="true" name="JoelReissMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
