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

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-04-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002127126</rptOwnerCik>
            <rptOwnerName>HOOPS ROBIN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>2030 W BASELINE RD</rptOwnerStreet1>
            <rptOwnerStreet2>182-19406</rptOwnerStreet2>
            <rptOwnerCity>PHOENIX</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85041</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CHIEF FINANCIAL OFFICER</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>COMMON STOCK</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2026-04-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>500000</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>500000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">THE REPORTING PERSON RECEIVED 500,000 RESTRICTED STOCK UNITS (&quot;RSUs&quot;)ON APRIL 9, 2026. THE RSUs VEST 10% ON APRIL 9, 2027; 30% ON APRIL 9, 2028; AND THE REMAINING 60% ON APRIL 9, 2029. 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, NONE OF WHICH HAD VESTED AS OF THE DATE OF THIS FORM 4. WHEN VESTED, THE RSUs WILL BE SETTLE IN SHARES OF THE ISSUER'S COMMON STOCK SIC (6) MONTHS AFTER THE VESTING DATE.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/S/ ROBIN HOOPS</signatureName>
        <signatureDate>2026-04-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
