You are in charge of a stand-on vessel in a crossing situation. The other vessel is 1.5 mile to port. You believe that risk of collision exists. You should___
A.
take avoiding action immediately upon determination risk of collision exists.
B.
immediately sound the danger signal
C.
take avoiding action only after providing the give-way vessel time to take action, and determining that her action is not appropriate.
D.
hold course and speed until the pilot of extremis, and then sound the danger signal, take whatever action will best avert collision