Tiltrotor

Paper details:
Consider the Tiltrotor. The V-22 is currently in deployment and the AW-609 is heading towards limited civil production. Given the current heliport infrastructure and noise challenges, plus the cost of operating new technology, is the tiltrotor a viable commercial vehicle? Look beyond the uniqueness of the machine and consider costs, various potential niche and profitability. Resources and references are part of the response whenever possible.