IN REGION A of the IALA Buoyage System, when entering from seaward, the starboard side of a channel would be marked by a __________.

Correct Answer: Option D — green conical buoy

In IALA Region A, the lateral system dictates that when entering from seaward, the starboard side of the channel is marked by green conical buoys. This is the inverse of IALA Region B, where the starboard side is marked by red nun or conical buoys.