-the basics-
the radio=transmitter,a basic set up is 4 channels,you can fly most planes with this.they go into as many as 14
flight pack=reciever,battery,and servos most all of them come with 4 servos.

if you don't have your radio, then when you buy one it will have a flight pack that comes with it that matches the channel of the transmitter.
a good place to check is your local hobby shop=LHS
or you can look on line at www.towerhobbies.com to start

you can buy flight packs for individual planes if you have a transmitter but it has to match the freq.or channel of the transmitter to work.
a typical flight pack has a reciever,battery usually a 600mah,and 4 servos including the on off switch.
you then need to buy a crystal that matches the freq./channel.

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