Harris Corp., Melbourne, Fla., entered into a patent licensing agreement with VT Miltope, a company of VT Systems, covering several Harris U.S. and international patents for aviation applications. VT Militope, based in Hope Hull, Ala., said this agreement allows it to offer its Terminal Wireless LAN Unit (TWLU) to commercial airline, business jet and military aircraft customers. The TWLU enables wireless data communications to and from the aircraft without human intervention, the company said. The Harris Ground Data Link patents cover core inventions in wireless communications that support flight operations, maintenance operations, quality assurance, electronic flight bags and in-flight entertainment data that is exchanged between an aircraft and ground-based systems. The Harris Wireless Engine Monitoring Systems patents cover core inventions in the wireless communication of engine performance and engine monitoring data between aircraft engines and ground-based systems.