You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made. You should __________.
1. hold course and sound a two blast whistle signal
2. hold course and sound no whistle signal
3. change course to the right and sound one blast
4. hold course and sound two prolonged and two short blasts
<!-- Edit -->
Last Edited : 7/15/2003 10:13:10 AM GMT