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) 
 Focke Wulf Fw61 
 Heinrich Focke—Fa 61 
 Virtual Aviation Museum Focke Wulf FW 61 
 Warbirds Resource Group 
 German static replica 

Helikopter militer
Focke-Wulf Fwsering sebuah helikopter fungsional pertama , dianggap praktis , pertama kali terbang pada tahun Pesawat ini juga dikenal sebagai Fa 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 . , ISBN24-5 . Green , William . Aircraft of the Third Reich , Vol.1 . London : Aerospace Publishing Limited , ( First ed . ) ISBN900732-06-2 . Nowarra , Heinz J . German Helicopters , Atglen , Pennsylvania : Schiffer Publishing , ISBN289-5 . Ruffin , Steven A . Aviation's Most Wanted : The Topbook of Winged Wonders , Lucky Landings and Other Aerial Oddities . Washington D.C . : Potomac Books , ISBN674-6 . Smith , J . Richard . Focke-Wulf , an Aircraft Album . London : Ian Allan Ltd . , ISBN0425-0 . Smith , J . Richard and Anthony Kay . German Aircraft of the Second World War . London : Putnam & Company Ltd.,( 3rd edition ISBN00024-2 . Witkowski , Ryszard . Rotorcraft of the Third Reich '' . Redbourn , UK : Mushroom Model Publications , ISBN89450-43-2 . Pranala luar French & German Helicopter Pioneers ( Fa Focke Wulf Fw61 Heinrich Focke—Fa Virtual Aviation Museum Focke Wulf FW Warbirds Resource Group German static replica Helikopter militer