Ok firstly I know there is treads about this, but things have changed recently..(visa weiver)
I just want to hours build...not train...I am been told by most this doesn't require a visa?!?! I am going for 2 weeks!
I checked out the embassy website and it appears ESTA form is only thing I have to fill out, correct?
Also on entry I will be asked purpose of visit etc, when I say a flying holiday will they know I don’t need visa etc, or will alarms start ringing and I will get dragged into some room for ages like when training on an m1 visa
.
One pilot recommended I say nothing about flying! 
But if they ask me about my business or something this could get tricky…so I want to stay honest!