Exhibit 3.52

The Brønnøysund Register Centre Certificate of Registration

Organization number:	966 705 175
Type of company:	Limited company
Date of incorporation:	1992-11-30
Registered in the Register of Business Enterprises:	1993-06-08
Name:	INTEGRA LEASING AS
Business address:	Stavanger Lufthavn 4055 STAVANGER LUFTHAVN
Municipality:	1124 SOLA
Country:	Norway
Postal address:	P.O. Box 522 4055 STAVANGER LUFTHAVN
Telephone number:	+ 47 51 94 10 00
Share capital NOK:	100,000.00
General manager/ managing director:	Leif Egil Torkelsen
Board of directors:
Chairman of the board:	David Andrew Stewart 1 Hilltop Road, Cults Aberdeen AB159RN Aberdeen United Kingdom
Board member(s):	Leif Egil Torkelsen Lars Andreas Landsnes
Signature:	The chairman of the board alone or two board members jointly.
Auditor:	Certified auditing company Organization number 976 389 387 ERNST & YOUNG AS Dronning Eufemias gate 6 0191 OSLO

The Brønnøysund Register Centre		The Register of Business Enterprises, 2011-12-07
	Anne Marthe Hesjadalen Notary Public for the Brønnøysund Register Centre	Geir Andreassen Group Manager

Date of transcript 2011-12-07 Organization number 966 705 175 Page 1 of 1