CSSI RVSM Monitoring Partner, AeroMech Incorporated, Completes 20,000th Flight in Support of the Reduced Vertical Separation Minimum (RVSM) Program On July 16, 2018, the United States Federal Aviation Administration’s William J. Hughes Technical Center (WJHTC) recorded its 20,000th GPS Monitoring unit (GMU) flight in support of the Reduced Vertical Separation…