EXHIBIT 21.1
BRISTOW GROUP INC.
Subsidiaries

Company
Place of Incorporation
Percentage of Stock Owned
Aeróleo Internacional LLC
Delaware
100
%
ALN, Inc.
Delaware
100
%
Aircraft Logistics Pty. Ltd.
Australia
100
%
*
Aircrew Logistics Pty. Ltd.
Australia
100
%
*
Atyrau-Bristow Airways Service
Kazakhstan
49
%
*
BHNA Holdings Inc.
Delaware
100
%
BL Holdings B.V.
Netherlands
100
%
BL Scotia LP
Scotland
100
%
BNAS Holding Company Limited
Ireland
49
%
*
BriLog Leasing Ltd.
Cayman Islands
100
%
BriLog Leasing Ltd. II
Cayman Islands
100
%
Bristow (UK) LLP
England
100
%
Bristow Aircraft Leasing Limited
England
100
%
*
Bristow Aircraft Leasing II Ltd.
England
100
%
*
Bristow Arabia Aircraft and Maintenance Services
Saudi Arabia
100
%
*
Bristow Aviation Holdings Limited
England
49
%
Bristow Canada Holdings Inc.
British Columbia
100
%
Bristow Canadian Real Estate Company Inc.
British Columbia
100
%
Bristow Caribbean Limited
Trinidad and Tobago
100
%
*
Bristow Cayman Ltd.
Cayman Islands
100
%
Bristow Equipment Leasing Ltd,
Cayman Islands
100
%
Bristow EU Holdco B.V.
Netherlands
49
%
Bristow European Technical Services B.V.
Netherlands
100
%
**
Bristow Guyana Inc.
Guyana
100
%
*
Bristow Helicopter Group Limited
England
100
%
*
Bristow Helicopters (Ghana) Limited
Ghana
90
%
*
Bristow Helicopters (International) Limited
England
100
%
*
Bristow Helicopters (Nigeria) Limited
Nigeria
48
%
***
Bristow Helicopters Australia Pty. Ltd.
Australia
100
%
*
Bristow Helicopters Inc.
Delaware
100
%
Bristow Helicopters Limited
England
100
%
*
Bristow Holdings Company Ltd.
Cayman Islands
100
%
Bristow Holdings Company Ltd. III
Cayman Islands
100
%
Bristow Holdings U.S. Inc.
Delaware
100
%
Bristow International Aviation (Guernsey) Limited
Guernsey
100
%
*
Bristow International Panama S. de RL
Panama
100
%
Bristow Ireland Limited
Ireland
100
%
**



Bristow Leasing Limited
England
100
%
*
Bristow Management Services Pty Limited
Australia
100
%
*
Bristow Netherlands B.V.
Netherlands
100
%
**
Bristow Norway AS
Norway
100
%
****
Bristow Panama Inc.
Panama
100
%
Bristow Southeast Asia Limited
England
100
%
*
Bristow Staff Pension Scheme Trustees Limited
England
100
%
*
Bristow Taxi Aéreo S.A.
Brazil
100
%
Bristow Technical Services Limited
England
100
%
*
Bristow U.S. Holdings LLC
Delaware
100
%
Bristow U.S. LLC
Louisiana
100
%
Bristow U.S. Leasing LLC
Delaware
100
%
Bristow Worldwide LP
England
*****
British International Helicopter Services Limited
England
100
%
*
Caledonian Helicopters Limited
England
100
%
*
Capiteq Pty Limited
Australia
100
%
*
Cougar Helicopters Inc.
Canada
40
%
Era Aeroleo LLC
Delaware
100
%
Era Helicopters, LLC
Delaware
100
%
Era Leasing LLC
Delaware
100
%
Humberside International Airport Limited
England
82.7
%
*
Kingsmill Insurance Company Limited
Guernsey
100
%
*
NextGen VTOL Sales LLC
Texas
100
%
Offshore Logistics do Brasil Servicos Industrials E Maritimos Limitado
Brazil
100
%
Pan African Airlines (Nigeria) Limited
Nigeria
56.15
%
******
Petroleum Air Services
Egypt
25
%
Turkmenistan Helicopters Limited
Turkmenistan
51
%
*
United Helicopters Limited
England
100
%
*

*
Percentage owned by Bristow Aviation Holdings Limited (“BAHL”) or its subsidiaries.
**
Percentage owned by Bristow EU Holdco B.V.
***
Bristow Helicopters (Nigeria) Limited (“BHNL”) is a joint venture in Nigeria in which Bristow Helicopters Limited (“BHL”) owns a 48% interest, a Nigerian company owned 100% by Nigerian employees owns a 50% interest and an employee trust fund owns the remaining 2% interest. BHNL provides helicopter services to customers in Nigeria.
****
Percentage owned by BNAS Holding Company Limited.



*****
Bristow Worldwide LP is a partnership between Bristow (UK) LLP and BAHL. Under the Partnership Agreement, 95.88% of the profits and losses of BriLog Leasing Ltd. and Bristow Cayman Ltd. and 5% of the profits and losses of Bristow Helicopter Group Limited and its subsidiaries are allocated to Bristow (UK) LLP. The remaining 4.12% of the profits and losses of BriLog Leasing Ltd. and Bristow Cayman Ltd. and 95% of the profits and losses of Bristow Helicopter Group Limited and its subsidiaries are allocated to BAHL.
******
Pan African Airlines (Nigeria) Limited (“PAAN”) is a joint venture in Nigeria in which ALN Inc. owns a 49% interest, BHNL owns a 25.43% interest and Bristow Helicopters Inc. owns a 1.17% interest. The percentage set forth in the table above reflects that (i) BHL owns a 48% interest in BHNL, (ii) BHL is a wholly owned subsidiary of BAHL and (iii) Bristow Group Inc. owns a 49% interest in BAHL.