Patent ID: 7710309

Claim:
A method for a small-scale fishing boat equipped with radar receiver to avoid ship collision, the radar receiver including a radar signal receiver, a monitoring computer, a display screen, and an alarm; the method comprising the following steps: (a) turning on the radar signal receiver to detect targets within a receiving range of the radar signal receiver; (b) tracking selected targets among the detected targets within the receiving range using the monitoring computer, and concurrently displaying the locations of the selected targets on the display screen; (c) calculating voyage data of the selected targets using the monitoring computer; (d) determining whether there is a risk of colliding with any of the selected targets, and generating a first collision warning via the alarm if there is a risk of colliding; (e) calculating to derive a distance and time to an occurrence of collision using the monitoring computer, and generating a second collision warning via the alarm if the derived time to the occurrence of collision being very short, and (f) calculating sea voyage route avoiding the occurrence of the collision, and displaying the sea voyage route avoiding the collision on the display screen.