<SEC-DOCUMENT>0001206774-18-000722-index.html : 20180308
<SEC-HEADER>0001206774-18-000722.hdr.sgml : 20180308
<ACCEPTANCE-DATETIME>20180307180329
ACCESSION NUMBER:		0001206774-18-000722
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		24
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180308
DATE AS OF CHANGE:		20180307

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:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08430
		FILM NUMBER:		18674417

	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>10-K/A
<SEQUENCE>1
<FILENAME>mcdermott3363401-10ka.htm
<DESCRIPTION>AMENDMENT TO ANNUAL REPORT
<TEXT>
Document 1 - file: mcdermott3363401-10ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>2
<FILENAME>mcdermott3363401-ex313.htm
<DESCRIPTION>RULE 13A-14(A)/15D-14(A) CERTIFICATION OF CHIEF EXECUTIVE OFFICER
<TEXT>
Document 2 - file: mcdermott3363401-ex313.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.4
<SEQUENCE>3
<FILENAME>mcdermott3363401-ex314.htm
<DESCRIPTION>RULE 13A-14(A)/15D-14(A) CERTIFICATION OF CHIEF FINANCIAL OFFICER
<TEXT>
Document 3 - file: mcdermott3363401-ex314.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>mcdermott3363401-10ka3x3x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: mcdermott3363401-10ka3x3x1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>mcdermott3363401-10ka3x3x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: mcdermott3363401-10ka3x3x2.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>mcdermott3363401-10ka3x3x3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: mcdermott3363401-10ka3x3x3.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>mcdermott3363401-10ka3x3x4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: mcdermott3363401-10ka3x3x4.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>mcdermott3363401-10ka3x4x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: mcdermott3363401-10ka3x4x1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>mcdermott3363401-10ka3x5x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: mcdermott3363401-10ka3x5x1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>mcdermott3363401-10ka3x5x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: mcdermott3363401-10ka3x5x2.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>mcdermott3363401-10ka3x5x3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: mcdermott3363401-10ka3x5x3.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>mcdermott3363401-10ka3x6x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: mcdermott3363401-10ka3x6x1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>mcdermott3363401-10ka3x6x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: mcdermott3363401-10ka3x6x2.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>mcdermott3363401-10ka4x1x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: mcdermott3363401-10ka4x1x1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>mcdermott3363401-10ka4x1x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: mcdermott3363401-10ka4x1x2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>mcdermott3363401-10ka4x3x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: mcdermott3363401-10ka4x3x1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>mcdermott3363401-10ka4x3x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: mcdermott3363401-10ka4x3x2.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>mcdermott3363401-10ka4x3x3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: mcdermott3363401-10ka4x3x3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>mcdermott3363401-10ka4x3x4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: mcdermott3363401-10ka4x3x4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>mcdermott3363401-10ka4x5x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: mcdermott3363401-10ka4x5x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>mcdermott3363401-10ka4x6x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: mcdermott3363401-10ka4x6x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>mcdermott3363401-10ka4x6x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: mcdermott3363401-10ka4x6x2.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>mcdermott3363401-10ka5x1x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: mcdermott3363401-10ka5x1x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>mcdermott3363401-10ka5x1x2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: mcdermott3363401-10ka5x1x2.jpg

</DOCUMENT>
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