EXHIBIT 21.1 半岛体育（中国）官方网站 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 Aerial Solutions Limited 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 %布里斯托设备租赁有限公司，开曼群岛100％Bristow Eu Holdco B.V.荷兰49％Bristow欧洲技术服务B.V.荷兰荷兰100％** Bristow Guyana Inc. Guyana 100％ * Bristow HeliCopter Group Limited Inluctland limited England England 100％英格兰100％ * Bristow Helicopters（Bristow Bristopters（Ghana）Limited Bristland Limited Ghana 90％ * Bristland * Bristland * Bristland * Bristland * Bristland（Intortional） * Bristland（Intortional） * Bristland（Intortion）直升机（尼日利亚）有限公司尼日利亚48％***布里斯托直升机澳大利亚澳大利亚有限公司澳大利亚100％ * Bristow Helicopters Inc. Delaware 100％Bristow Helicopters Limited England England England 100％ * Bristow Holdings Company Ltd. Cayman company Ltd. Cayman Islands 100％Bristow Holdings Company Ltd. III Cayman Isserans Issers 100％
Bristow Holdings U.S. Inc. Delaware 100 % Bristow International Aviation (Guernsey) Limited Guernsey 100 % * British International Helicopter Services Limited England 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 49 % **** 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 ***** 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 (Ni