Deck: Rules of the Road

1. A The vessels should exchange two blast signals and pass port to port
2. B Whistle signals must be exchanged in all cases when passing within one half mile of each other
3. C If a passing agreement is reached by radiotelephone, whistle signals are optional, and the vessels should pass starboard to starboard as agreed
4. D The vessels should pass port to port and must sound whistle signals only if either vessel changes course

Tip: press A-D to answer