Bristow U.s. S-4 Registration of securities issued in business combination transactions

EXHIBIT 21

BRISTOW GROUP INC.
Subsidiaries of the Registrant as of November 28, 2007¹

	Place of	Percentage of
Company	Incorporation	Stock Owned
Air Logistics of Alaska, Inc.	Alaska		100	%
Air Logistics, L.L.C.	Louisiana		100	%
Aircopter Maintenance International, Inc.	Panama		49	%
Airlog International, Inc.	Panama		100	%
Airlog International. Ltd.	Delaware		100	%
ALN, Inc.	Delaware		100	%
Atyrau-Bristow Airways Services	Kazakhstan		49	%*
Aviashelf	Russia		48.5	%*
Brilog Leasing Limited	Cayman Islands		100	%
Bristow Academy Inc.	California		100	%
Bristow Aviation Holdings Limited	England		49	%
Bristow Caribbean Ltd.	Trinidad/Tobago		40	%*
Bristow Helicopters Group Limited	England		49	%
Bristow Helicopters Australia Pty. Ltd.	Australia		49	%
Bristow Helicopters BV	Netherlands		49	%
Bristow Helicopters. Inc.	Connecticut		100	%
Bristow Helicopters International Limited	England		49	%
Bristow Helicopters Leasing Limited	England		51	%*
Bristow Helicopters Limited	England		49	%
Bristow Helicopters Nigeria Limited	Nigeria		40	%*
Bristow Helicopters Singapore Pte. Limited	Singapore		49	%
Bristow International Limited	England		100	%
Bristow Management Services Pty Limited	Australia		49	%
Bristow Southeast Asia Limited	England		100	%
Bristow Technical Services, Ltd.	England		49	%
British International Aviation (Guernsey) Limited	Guernsey		49	%
Caledonian Helicopters Ltd.	England		49	%
COHC General Aviation Maintenance & Engineering Co. Limited	China		18	%*
FBH Australia Pty Limited	Australia		50	%*
FB Heliservices Limited	England		50	%*
FB Leasing Limited	England		50	%*
FBS Limited	England		50	%*
Helicopter Leasing Associates, L.L.C.	Louisiana		50	%
Heliservicio Campeche S.A. de C.V.	Mexico		49	%
Hemisco Helicopters International, Inc.	Panama		49	%
Irish Helicopters (Shannon) Limited	Ireland		49	%
Kingsmill Insurance Company Limited	Guernsey		49	%
Lindair (Europe) Limited	England		49	%
Lufttransport AS	Norway		49	%*
Lufttransport AB	Sweden		49	%*
Norsk Helikopter AS	Norway		49	%*
Offshore Logistics International, Inc.	Panama		100	%
Pan African Airlines Nigeria Ltd.	Nigeria		50	%
Petroleum Air Services	Egypt		25	%
Rotorwing Leasing Resources, LLC	Louisiana		49	%
Sakhalin Bristow Air Services Limited	England		51	%*
Servicio de Vulo Y Maintenance HC de CV	Mexico		49	%
Turkmenistan Helicopters Limited	Turkmenistan		51	%*
United Helicopters Limited	England		49	%
Viscom Limited	Scotland		25	%*

*	Percentage owned by Bristow Helicopters Limited
1	Also includes certain consolidated and unconsolidated affiliates of the registrant as of September 30, 2007.