It doesn't matter. It is the captain's job to not sink his ship. It is the captain's job to not damage the pier, the reefs, etc. The same rules apply when flyi

It doesn't matter. It is the captain's job to not sink his ship. It is the captain's job to not damage the pier, the reefs, etc. The same rules apply when flying a plane. It is the pilot's responsibility to not be in a collision -- no matter what else is happening, or what someone else is doing.