Omni Air International, LLC. is a United States charter airline headquartered in Hangar 19 on the grounds of Tulsa International Airport in Tulsa, Oklahoma, United States. It specializes in passenger charter flights, and Aircraft Crew Maintenance Insurance (ACMI) wet leasing.Omni is an FAA Part 121 certificated airline with IATA Operational Safety Audit (IOSA) registration.On October 2, 2018 Air Transport Services Group (ATSG) announced it will acquire Omni subject to regulatory approval. - Source: Wikipedia