apparently not a new idea, but still needed. on the flight plan for my trusty Lowrance it showed accumulated flight time and miiles. the same is needed with iFly. i can't add up all the little segments to quickly figure on where to start looking for fuel. i should also be able to enter fuel on board at take off. i don't need computations to accomodate density altitude etc... because i'm not basing my life on such a computation, but i do look at where i expect to be in 3.5-4 hrs of flight [3/4 tank] to get a basic idea of what's around, or not around.