Boeing 247 Boeing_Model 247 là một loại máy_bay dân_dụng cơ lớn của Hoa_Kỳ Biến_thể BULLET Model 247 BULLET 247A BULLET 247E BULLET 247D BULLET 247Y BULLET C 73 Quốc_gia sử_dụng Dân_sự BULLET Viação_Aérea_Bahiana_BULLET Canadian_Pacific_Airlines_BULLET Quebec_Airways_BULLET_Avianca as SCADTA BULLET Lufthansa_BULLET_Boeing_Air Transport sau là United_Air_Lines_BULLET Empire_Air_Lines_BULLET National_Parks_Airways_BULLET Pennsylvania_Central_Airlines_BULLET United_Aircraft_Corporation_BULLET Wien_Air_Alaska_BULLET Western_Airlines_BULLET_Woodley Airways_BULLET_Wyoming_Air Service_Quân sự BULLET Không_quân Hoàng_gia Canada BULLET Không_quân Hoàng_gia BULLET Quân_đoàn Không_quân Lục_quân Hoa_Kỳ Tham_khảo BULLET Ghi_chú BULLET Tài_liệu BULLET Bowers_Peter_M_Boeing aircraft since 1916 London_Putnam_Aeronautical_Books 1989 ISBN 0 85177 804 6 BULLET Bryan_C_D_B The_National_Air and Space_Museum_New_York Harry_N_Abrams_Inc 1979 ISBN 0 8109 0666 X BULLET Fernandez_Ronald_Excess_Profits The_Rise of United_Technologies_Boston_Massachusetts Addison_Wesley 1983 ISBN 978 0 201 10484 4 BULLET Gould_William_Boeing_Business in Action_Bath_Avon_UK Cherrytree_Books 1995 ISBN 0 7451 5178 7 BULLET Mondey_David_The_Concise Guide to American_Aircraft of World_War_II_London Chancellor 1996 ISBN 1 85152 706 0 BULLET Pearcy_Arthur_Douglas_Propliners DC 1 DC 7 Shrewsbury_UK_Airlife_Publishing 1995 ISBN 1 85310 261 X BULLET Pedigree of Champions_Boeing_Since 1916 Third_Edition_Seattle_Washington The_Boeing_Company 1969 No_ISBN_WorldCat_BULLET Seely_Victor_Boeing s Grand_Old_Lady_Air Classics_Vol 4 No 6 August 1968 BULLET Serling_Robert_J_Legend Legacy_The_Story of Boeing and its People_New_York_St Martin s Press 1992 ISBN 0 312 05890 X BULLET van der Linden_F_Robert_The Boeing 247 The_First_Modern_Airliner Seattle_Washington_University of Washington_Press 1991 ISBN 0 295 97094 4 Truy_cập ngày 26 tháng 7 năm 2009 BULLET Yenne_Bill_Boeing_Planemaker to the World_New_York_Crescent Books 1989 ISBN 0 517 69244 9 Liên_kết ngoài BULLET Gallery_Boeing 247 Images including two of the interior and one of the retracted main gear BULLET Boeing_Model 247 First modern airliner BULLET From_Mock_Up_To Latest_Airliner_Popular_Mechanics October 1932 early article on future Model 247 BULLET Keeping_Them_In_The Air_Popular_Mechanics_July 1935 photos and colored artwork of 247 pp 9 16
Boeing 247