The fatal collision between the U.S. Coast Guard cutter Winslow Griesser and a small boat off the coast of Puerto Rico last year resulted from the failure of either vessel to maintain a proper lookout, the National Transportation Safety Board said Tuesday.
Maintaining a proper lookout, by sight and sound, is a fundamental rule of the Convention on the International Regulations for Preventing Collision at Sea for vessels. NTSB investigators found that the bridge crew on the Winslow Griesser was...