Under Inland Rule 6, a vessel with operational radar must consider the possibility that which objects may not be detected by radar at an adequate range?

1. A. Vessels not under command and vessels restricted in their ability to maneuver.
2. ✓ Small vessels, ice, and other floating objects.Correct
3. C. Vessels displaying navigation lights below the minimum luminous intensity.
4. D. Vessels operating in restricted visibility without sounding fog signals.