BOTH INTERNATIONAL AND INLAND You are proceeding under sail with the auxiliary engine running and the propeller engaged. Which statement is TRUE?

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