FRASCA named FTD subcontractor for Navy TH-73A Advanced Helicopter Training System Frasca Press Release | April 8, 2021 Estimated reading time 2 minutes, 4 seconds. FRASCA International, Inc. has been named as a subcontractor for the U.S. Navy TH-73A Aircrew Training Services (ATS) contract. The prime contract was awarded to FlightSafety Defense, a FlightSafety International company that will provide Contractor Instructional Services (CIS) and availability on 18 FRASCA-designed and manufactured Level 6 and Level 7 Flight Training Devices (FTDs). Image generators and visual databases will be supplied by FlightSafety Defense Corporations subcontractor Aechelon Technologies. The devices will be used to support all aspects of initial entry rotary wing training, including hover, formation flight, night vision device, and shipboard operations training, as well as course rules familiarity and instrument flying.