I understand the early ones were moulded in the Far East, the Havok I flew flies OK, but wing loading means the landing needs to be relatively fast and there is a critical AOA, if you increase it to flare hard the lift goes. If it was lighter it would be better. Not sure of the weight but for the size it feels weighty when you lift it. When the nose door is open it acts like a turning vane, so you have to turn finals using the rudders.