<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-10-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001854526</issuerCik>
        <issuerName>DYNAMIC AEROSPACE SYSTEMS Corp</issuerName>
        <issuerTradingSymbol>BRQL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002069430</rptOwnerCik>
            <rptOwnerName>RICH RON J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>4201 NORTH 24TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 150</rptOwnerStreet2>
            <rptOwnerCity>PHOENIX</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85016</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2025-10-01</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">THE REPORTING PERSON RECEIVED 100,000 RESTRICTED STOCK UNITS (&quot;RSUS&quot;) ON OCTOBER 1, 2025. THE RSUS VEST 10% ON OCTOBER 1, OCTOBER 1, 2026; 30% ON OCTOBER 1, 2027; AND THE REMAINING 60% ON OCTOBER 1, 2028. EACH RSU REPRESENTS A CONTINGENT RIGHT TO RECEIVE ONE SHARE OF THE ISSUER'S COMMON STOCK.</footnote>
        <footnote id="F2">THE SECURITIES REPORTED CONSIST OF RSUS, OF WHICH 10,000 HAD VESTED AS OF THE DATE OF THIS FORM 4. THE VESTED RSUS WILL BE SETTLED IN SHARES OF THE COMPANY'S COMMON STOCK SIX (6) MONTHS AFTER THE VESTING DATE.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/S/ RON J. RICH</signatureName>
        <signatureDate>2026-03-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
