Despite the definition of roger in the 413, the manual also strongly hints at the fact that roger can be used to mean 'understood and received" to transmissions that contain information. Not instructions.
Example"
"BIGJET 347, LVPs in force"
"Roger, Bigjet 347"
As pointed out, you aren't going to say roger unless you understand the message fully.
The manual also says that roger can be used to acknowledge instructions, essentially having the same meaning of wilco. Chapter 2 page 1 for those interested.
The CAP413 seems to contradict itself a little.
Last edited by pudoc; 19th Oct 2013 at 23:17.