Deck 2014: Safety

1. A If most of the propelling power comes from the sails, your  vessel is considered a sailing vessel.
2. B You must display a red light over a green light at the masthead.
3. C In fog you must sound one prolonged blast at two-minute intervals when making way.
4. D By day, you must display a black diamond shape forward.

Tip: press A-D to answer