L-3 to upgrade TH-57 helos

Avionics experts at L-3 Vertex Aerospace in Madison, Miss., will upgrade Navy TH-57 Sea Ranger helicopters with ADS-B systems that enable pilots and air traffic controllers to communicate digitally that enhances safety. Officials of the Naval Air Warfare Center Training System Division in Orlando, Fla., announced an $8.8 million order to L-3 Vertex on July 10 to buy and install 96 automatic dependent surveillance broadcast (ADS-B) avionics kits for the helicopters. (Source: Causality.O 07/10/17)