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          <cik>0001230207</cik>
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      <periodOfReport>09-30-2019</periodOfReport>
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        <amendmentType>RESTATEMENT</amendmentType>
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      <filingManager>
        <name>MORGAN STANLEY AIP GP LP</name>
        <address>
          <com:street1>ONE TOWER BRIDGE</com:street1>
          <com:street2>100 FRONT STREET SUITE 1100</com:street2>
          <com:city>WEST CONSHOHOCKEN</com:city>
          <com:stateOrCountry>PA</com:stateOrCountry>
          <com:zipCode>19428</com:zipCode>
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      <reportType>13F NOTICE</reportType>
      <form13FFileNumber>028-14710</form13FFileNumber>
      <otherManagersInfo>
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          <name>MORGAN STANLEY</name>
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      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>Jeff Turner</name>
      <title>Authorized Signatory</title>
      <phone>610 260-7223</phone>
      <signature>Jeff Turner</signature>
      <city>West Conshohocken</city>
      <stateOrCountry>PA</stateOrCountry>
      <signatureDate>11-14-2019</signatureDate>
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