(1) Park Hall Helicopter Club, Ilkeston, Derby. http://www.parkhallheli.org.uk/,
 
(2) Rolls Royce Model Aeroplane Club.http://www.hucknall-mac.org/
 
(3) BMFA. British Model Flying Association. http://www.bmfa.org
 
(4) Steve Home page for Hirobo Chinook & Vertol web site http://www.geocities.com/vertolheli/
 
 
 
(7) Vario Helicopter web site http://www.vario-helicopter.co.uk/
 
(8) The Largest RC videos sharing Web site on the web http://www.rcvideoshare.com
 
(9) The latest Radio Control Social Network http://rcshare.com/draeroheli/
 
(10) UK Forum dedicated to RC Helicopters. http://www.rcheliaddict.co.uk/thunder-tiger/
 
(11) Educational very useful web site for RC Helicopter Hobby  http://www.rchelicopterfun.com/
 
(12) Rotherham Helicopeter Club http://www.rotherhamheliclub.co.uk/