Focke-Wulf Fw 61

Focke-Wulf Fw 61 sering sebuah helikopter fungsional pertama, dianggap praktis, pertama kali terbang pada tahun 1936.

Pesawat ini juga dikenal sebagai Fa 61, sebagai Focke memulai perusahaan baru-Focke Achgelis-setelah pembangunan dimulai.

Referensi

• Coates, Steve and Jean-Christophe Carbonel. Helicopters of the Third Reich. Crowborough, UK: Classic Publications Ltd., 2002. ISBN 1-903223-24-5.
• Green, William. Aircraft of the Third Reich, Vol.1. London: Aerospace Publishing Limited, (First ed.) 2010. ISBN 978-1-900732-06-2.
• Nowarra, Heinz J. German Helicopters, 1928-1945. Atglen, Pennsylvania: Schiffer Publishing, 1990. ISBN 0-88740-289-5.
• Ruffin, Steven A. Aviation's Most Wanted: The Top 10 book of Winged Wonders, Lucky Landings and Other Aerial Oddities. Washington D.C.: Potomac Books, 2005. ISBN 1-57488-674-6.
• Smith, J. Richard. Focke-Wulf, an Aircraft Album. London: Ian Allan Ltd., 1973. ISBN 0-7110-0425-0.
• Smith, J. Richard and Anthony Kay. German Aircraft of the Second World War. London: Putnam & Company Ltd., 1972 (3rd edition 1978). ISBN 0-370-00024-2.
• Witkowski, Ryszard. Rotorcraft of the Third Reich. Redbourn, UK: Mushroom Model Publications, 2007. ISBN 978-83-89450-43-2.

Pranala luar

• French & German Helicopter Pioneers (Fa 61) Diarsipkan 2011-06-29 di Wayback Machine.
• Focke Wulf Fw61 Diarsipkan 2023-02-07 di Wayback Machine.
• Heinrich Focke—Fa 61 Diarsipkan 2012-10-14 di Wayback Machine.
• Virtual Aviation Museum Focke Wulf FW 61 Diarsipkan 2016-03-03 di Wayback Machine.
• Warbirds Resource Group Diarsipkan 2021-02-28 di Wayback Machine.
• German static replica Diarsipkan 2020-01-11 di Wayback Machine.