PHI, Inc., a long-time commercial aviation customer of Ramco, will upgrade the company and its subsidiaries to the latest version of Ramco Aviation M&E MRO Suite 5.8 to manage its multi-entity maintenance and flight operations of aircraft. Following a recent acquisition, PHI's fleet now numbers more than 250 aircraft in multiple models, and it plans to have around 3,000 users in the U.S., New Zealand and 12 other countries using Ramco Aviation software.