Mesa Holdings Corp to manage the existing Mesa Airlines and its acquisitions. It resulted in the following subsidiaries: Air Midwest (Kansas City) Mesa Airlines America West Express (Phoenix) FloridaGulf Airlines (Tampa) Mesa Airlines (Albuquerque) United Express (Denver) Skyway Airlines (Milwaukee) WestAir Commuter Airlines (Los Angeles, San Francisco, Portland, and Seattle) San Juan Pilot Training (forerunner to Mesa Pilot Development) Desert Turbine Services In 1995, Mesa Holdings Corp was renamed Mesa Air Group, and Mesa Airlines was renamed Mountain West Airlines. Mesa Air Group now consisted of the following six airlines and subsidiaries: Air Midwest (Kansas City/USAir Express) Desert Sun Airlines (Phoenix/America West Express) FloridaGulf Airlines (Tampa, Orlando, New Orleans, Boston, Philadelphia/USAir Express) Liberty Express Airlines (Pittsburgh/USAir Express) Mountain West Airlines, operating as: Mesa Airlines (Albuquerque) United Express (Denver, Los Angeles (former CalPac), Portland, Seattle) America West Express (Phoenix) WestAir Commuter Airlines (Los Angeles, San Francisco, Portland, Seattle/United Express) Desert Turbine Services Four Corners Aviation Mesa Pilot Development Regional Aircraft Services In 1996, further company reorganization consolidated the separate flight dispatch functions of Desert Sun, FloridaGulf, and Mountain West airlines into one location in Farmington. All flight training facilities and human resources were centralized in Fort Worth. Since the mergers had created a diverse mix of aircraft types, Mesa proceeded to simplify the number of aircraft types operated from six (Short 360, British Aerospace BAe Jetstream 31, Embraer EMB-120 Brasilia, Beechcraft 1900, de Havilland Canada DHC-8 Dash 8, Fokker 70) to three (B1900, Dash 8, Canadair CRJ). Mesa relocated aircraft to place all airplanes of the same type in a base, with the Jetstreams and Brasilias flying in the West and the B1900s flying elsewhere. This also allowed the consolidation of maintenance facilities, since the facilities no longer needed to service all the different types of aircraft Mesa operated. To replace the Fokker aircraft, Mesa signed an agreement with Bombardier to purchase 16 Canadair Regional Jets (CRJ) with options for 32 more. The six pilot groups had voted to unionize in 1994. In 1996, the pilot groups of the six airlines were merged into one common seniority list, and under the Air Line Pilots Association (ALPA) representation, the pilots and Mesa negotiated and ratified a five-year collective bargaining agreement. When Mesa started taking deliveries of the CRJ in 1997, it returned to two Fokker 70 jets and placed the CRJs in service in Phoenix. Mesa started an independent hub providing CRJ