BLET Division 4 is the official mobile application of the Brotherhood of Locomotive Engineers and Trainmen, Division 4. It provides BLET Division 4 members with a tool to connect with their union and stay informed about union activities and updates. Members can access essential resources, such as contracts and important documents (if available), related to their rights in the workplace. The app also keeps members updated on major events and provides useful information about their rights and responsibilities as union members.