<SEC-DOCUMENT>0001193125-19-049008-index.html : 20190225
<SEC-HEADER>0001193125-19-049008.hdr.sgml : 20190225
<ACCEPTANCE-DATETIME>20190225074357
ACCESSION NUMBER:		0001193125-19-049008
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20190225
DATE AS OF CHANGE:		20190225
EFFECTIVENESS DATE:		20190225

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MCDERMOTT INTERNATIONAL INC
		CENTRAL INDEX KEY:			0000708819
		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED PLATE WORK (BOILER SHOPS) [3443]
		IRS NUMBER:				720593134
		STATE OF INCORPORATION:			R1
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-229820
		FILM NUMBER:		19628085

	BUSINESS ADDRESS:	
		STREET 1:		777 N. ELDRIDGE PARKWAY
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77079
		BUSINESS PHONE:		281-870-5000

	MAIL ADDRESS:	
		STREET 1:		777 N. ELDRIDGE PARKWAY
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77079
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>d713223ds3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: d713223ds3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d713223dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d713223dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d713223dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d713223dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>d713223dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 4 - file: d713223dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g713223g93l15.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g713223g93l15.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g713223snap0089.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g713223snap0089.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g713223snap0089a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g713223snap0089a.jpg

</DOCUMENT>
</SEC-DOCUMENT>