HEICO Corporation manufactures Federal Aviation Administration (FAA)-approved jet engine and aircraft component replacement parts, other than the original equipment manufacturers (OEMs) and their subcontractors. The Company also manufactures various types of electronic equipment for the aviation, medical, telecommunications and electronics industries. It operates through two segments: Flight Support Group (FSG) and Electronic Technologies Group (ETG). The FSG segment consists of HEICO Aerospace Holdings Corp. and HEICO Flight Support Corp. and their collective subsidiaries. The FSG segment designs and manufactures jet engine and aircraft component replacement parts. The ETG segment consists of HEICO Electronic Technologies Corp. and its subsidiaries. The ETG segment designs and produces mission-critical subcomponents for various markets, which are utilized in larger systems, including targeting, tracking, identification, testing, communications, telecom and computer systems.