Boeing 247

Boeing Model 247 adalah pesawat awal sayap rendah (low wing) Amerika Serikat, dianggap sebagai pesawat yang pertama untuk sepenuhnya menggabungkan kemajuan seperti semua logam (aluminium anodized) konstruksi semi-monocoque, sayap kantilever dan landing gear tarik. Fitur canggih lainnya termasuk kontrol permukaan memangkas tab, autopilot dan deicing sepatu untuk sayap dan tailplane.

Referensi 

 Bowers, Peter M. Boeing aircraft since 1916. London: Putnam Aeronautical Books, 1989. ISBN 0-85177-804-6.
 Bryan, C.D.B. The National Air and Space Museum. New York: Harry N. Abrams, Inc., 1979. ISBN 0-8109-0666-X.
 Fernandez, Ronald. Excess Profits: The Rise of United Technologies. Boston, Massachusetts: Addison-Wesley, 1983. ISBN 978-0-201-10484-4.
 Gould, William. Boeing (Business in Action). Bath, Avon, UK: Cherrytree Books, 1995. ISBN 0-7451-5178-7.
 Mondey, David, The Concise Guide to American Aircraft of World War II. London: Chancellor, 1996. ISBN 1-85152-706-0.
 Pearcy, Arthur. Douglas Propliners: DC-1–DC-7. Shrewsbury, UK: Airlife Publishing, 1995. ISBN 1-85310-261-X.
 Pedigree of Champions: Boeing Since 1916, Third Edition. Seattle, Washington: The Boeing Company, 1969. No ISBN. WorldCat.
 Seely, Victor. "Boeing's Grand Old Lady." Air Classics, Vol. 4, No. 6, August 1968.
 Serling, Robert J. Legend & Legacy: The Story of Boeing and its People. New York: St. Martin's Press, 1992. ISBN 0-312-05890-X.
 van der Linden, F. Robert. The Boeing 247: The First Modern Airliner. Seattle, Washington: University of Washington Press, 1991. ISBN 0-295-97094-4. Retrieved: July 26, 2009.
 Yenne, Bill. Boeing: Planemaker to the World. New York:, Crescent Books, 1989. ISBN 0-517-69244-9.

Pranala luar 

 Gallery: Boeing 247 Images, including two of the interior and one of the retracted main gear
 Boeing Model 247: First modern airliner
 "From Mock Up To Latest Airliner," Popular Mechanics, October 1932, early article on future Model 247
 "Keeping Them In The Air" Popular Mechanics, July 1935 photos and colored artwork of 247 pp.9-16

Pesawat terbang Boeing
Pesawat terbang sayap rendah