Abstract: The present invention relates to a navigation system for preventing an airplane or a ship carrying freight and passengers from becoming involved in an accident with other transport means. To this end, the navigation system of the present invention includes: a GPS module for obtaining position information on first transport means; an information searching module for searching second transport means positioned a predetermined distance away from the first transport means with reference to the position information and operation schedule of the first transport means; a path creating module for creating a secure path for the first transport means with reference to information on an operation path according to the operation schedules and the position information on the first and second transport means; and a display module for displaying the position information on the first and second transport means.

Abstract: Provided is a user interface for implementing a traffic communication-integrated simulation based on a vehicle communication system. The traffic communication-integrated system comprises a traffic simulator which performs a traffic simulation and calculates a link passage time of a vehicle; a communication simulator which performs a communication simulation and simulates a communication between a communication between vehicles and a communication between a vehicle and an infrastructure; and a user interface, wherein the user interface includes an interface server which provides a simulation platform interfacing in real time in a synchronous way the traffic simulator and the communication simulator; and a graphic user interface unit which outputs a result of the simulations.

Abstract: The present invention relates to an aircraft-arresting paving material which is installed in locations such as aircraft runway safety zones or landing strips and is adapted to ensure that an aircraft do not leave the runway, by itself breaking if an aircraft which has landed overruns or departs and as a result proceeds upwards, and the present invention relates to a production method for the same, and also to a low-strength waterproof perlite concrete produced so as to include perlite aggregate having a waterproof coating so as to be suitable as the overrun prevention paving material.