Mesa Airlines, Inc. is an American regional airline headquartered in Phoenix, Arizona. Mesa operates and maintains a fleet of Embraer E-175 Aircraft that are scheduled, marketed and sold by United Airlines as United Express. From Wikipedia
Staffing shortages, lack of comprehensive training, and an increase in retirements in the aviation industry have highlighted the strain in the aviation system, leading to a considerable surge in near collisions, with nearly one near miss reported everyday in the past year. The system safety margins have dwindled, moving the aviation industry dangerously closer to potentially catastrophic incidents.