Under the Inland Navigation Rules, a vessel engaged in fishing is operating within a narrow channel. Which statement correctly describes her obligation?

1. A. She shall keep out of the way of power-driven vessels only.
2. ✓ She shall not impede the passage of any other vessel navigating within the narrow channel.Correct
3. C. She shall keep to the starboard side of the channel but need not yield to sailing vessels.
4. D. She has right-of-way over all vessels except those not under command.