Jaka, as I told you several weeks ago, Kyosho doesn't sell the Calmato in the USA. Here are the only nitro planes it sells here:
http://www.kyoshoamerica.com/GP-PLANES-_c_70.html
ORIGINAL: jaka
A very good low wing aerobatic trainer is the Kyosho Calmato Sports! Suitable engines for it is a .46 two stroke engine.