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  <xs:element id="bta_PreCertifiedAirCraftAgreementContractsMember" abstract="true" name="PreCertifiedAirCraftAgreementContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bta_ContractWithCustomerLiabilityCustomerDepositsCurrent" abstract="false" name="ContractWithCustomerLiabilityCustomerDepositsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bta_ContractWithCustomerLiabilityCustomerDepositsNonCurrent" abstract="false" name="ContractWithCustomerLiabilityCustomerDepositsNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bta_VehiclesAndAviationMember" abstract="true" name="VehiclesAndAviationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bta_ComputerEquipmentAndSoftwareMember" abstract="true" name="ComputerEquipmentAndSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bta_PerformanceBasedRestrictedStockUnitsMember" abstract="true" name="PerformanceBasedRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bta_CommonStockConversionRatio" abstract="false" name="CommonStockConversionRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="bta_DevelopmentAndManufacturingElectricAircraftsSegmentMember" abstract="true" name="DevelopmentAndManufacturingElectricAircraftsSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bta_CostOfProductAndServiceSoldAdjusted" abstract="false" name="CostOfProductAndServiceSoldAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bta_GrossProfitAdjusted" abstract="false" name="GrossProfitAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bta_UnallocatedItemsAbstract" abstract="true" name="UnallocatedItemsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="bta_SegmentReportingOtherUnallocatedItems" abstract="false" name="SegmentReportingOtherUnallocatedItems" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="bta_SaleLeasebackTransactionNumberOfBuildings" abstract="false" name="SaleLeasebackTransactionNumberOfBuildings" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="bta_KyleClarkMember" abstract="true" name="KyleClarkMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bta_ClassACommonStockFromJune162026ThroughJuly102026Member" abstract="true" name="ClassACommonStockFromJune162026ThroughJuly102026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="bta_ClassACommonStockFromJuly132026ThroughSeptember102026Member" abstract="true" name="ClassACommonStockFromJuly132026ThroughSeptember102026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
