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VESSELS AND EQUIPMENT, NET
12 Months Ended
Dec. 31, 2011
VESSELS AND EQUIPMENT, NET [Abstract]  
VESSELS AND EQUIPMENT, NET
15.
VESSELS AND EQUIPMENT, NET

(in thousands of $)
 
2011
 
 
2010
 
Cost
 
 
1,584,365
 
 
 
1,446,457
 
Accumulated depreciation
 
 
(381,362
)
 
 
(343,320
)
Net book value
 
 
1,203,003
 
 
 
1,103,137
 

As of December 31, 2011 and 2010, the Company owned nine vessels.

As of December 31, 2011, $128.8 million have been capitalized in respect of the FSRU retrofitting of the Nusantara Regas Satu.

Drydocking costs of $39.8 million and $37.4 million are included in the cost amounts above as of December 31, 2011 and 2010, respectively.  Accumulated amortization of those costs as of December 31, 2011 and 2010 were $12.1 million and $21.7 million, respectively.

Depreciation and amortization expense for the years ended December 31, 2011, 2010 and 2009 was $54.3 million, $52.8 million and $21.5 million, respectively.

As at December 31, 2011 and 2010, included in the above amounts is office equipment with a net book value of $1.7 million and $2.0 million, respectively.

As at December 31, 2011 and 2010, vessels with a net book value of $1,201 million and $1,101 million respectively were pledged as security for certain debt facilities (see note 31).