It could be any size, and any type of foam, whether DTFB, Depron, or other fancy hobby grade foam. It could be an FT kit, some other type of retail kit, DTFB scratch plan builds or customs designs, as long as it is foam and electric. "Any occasion" does not necessarily mean any weather, "calm day" fliers are more than welcome if you fly them often enough. The main question is, what is the electric foam plane you are so comfortable with you can just send it any time and fly it well without really trying hard, but is still interesting enough that you thoroughly enjoy the experience? The plane you reach for when you just can't decide which plane to fly and just want to have fun?