Top hatch with the pre fitted antenna and other scale details pre fitted. Although something that others may see as pedantic. I had always had a bugbear with FEJ for fitting antennas to their jets that looked like they were unshaped pieces of 1/4 balsa. I am delighted to say that all of those on my hawk were slimmer and aerofoil shaped. It goes to show that they are listening, and acting on whats been said... In my experience of working with kit manufacturers, this is one of the toughest mountains to climb.