INLAND ONLY You are approaching a sharp bend in a river. You have sounded a prolonged blast and it has been answered by a vessel on the other side of the bend. Which statement is TRUE?

A
Both vessels must exchange passing signals when in sight and passing within one-half mile of each other.
B
No further whistle signals are necessary.
C
The vessel downriver must stop her engines and navigate with caution.
D
Both vessels must immediately sound passing signals whether or not they are in sight of each other.
E