1, Run on jeta1 (Diesel engine)
2, 2 comfortable sized seat
3, High enertia rotor
4, 2 blades or folding blades for small hangar
5, enough bagage for golf clubs or similar
6, no calander timed life parts
7, affordable enough to buy
Oh and how about a net to catch all those flying pigs that will be up there 1st!