LABORATORY NAVAL SL
Range not tested, when the test was carried out in a workshop and not outdoors
The ARPA radar (Automatic Radar Plotting Aid) or automatic pointing radar is a piece of equipment in which the true movements of all detected echoes appear on the screen, including own ship, in addition to activating alarms that warn us of a possible risk of collision. , the system can calculate the course that the target is taking, the speed and the closest point of approach (CPA), with which it is possible to know if there is a danger of collision with another ship or land.