If you have verified that this is so, then go ahead.

You should contact the original mapper who made that tag. My change was only to the distance units tag

That looks like a fender. The correct tagging for that is seamark:type= shoreline_construction, seamark:shoreline_construction:category=fender. The attribute "surface" is for seabed type.

You can edit that!

Done

I don't have a Slack account!

How come the closed clearance height is greater than the open clearance height?

Perhaps your could share those thoughts with the rest of us? In particular, why did you change the "source=US NGA Pub. 114. 2011-05-26." tag on the light to "source:seamark=..."? There are about 12000 other objects in the world with the tag that you changed. Should they also be changed, and if not, why is this object unique?

Bernhard,

The radius tagged is no longer used. Light sectors are now automatically rendered according to the zoom level, so as to maintain visibility of the sector arc on the screen.

Light ranges 200 Miles??!!

What exactly are the 3 ways tagged as buoys? They cannot be buoys as buoys are always on singular nodes

What exactly are these objects? They cannot be buoys, since buoys are always singular nodes.

These areas should have the tag: seamark:type=cable_area.

cable_submarine is the tag for actual cables

What are these "Sea Rescue" objects?

What are the nodes "Sea Rescue"? I don't see any object on the satellite imagery.

You are correct. I edited this object blind, just responding to validation errors after mapping closeby objects. As it is just across the street from me, I will go and do a survey & make the necessary corrections.

There are four substations. The 4th is on node 6273857077

This and other changesets by the same user seem to be global mechanical edits. Were these discussed with the OSM community beforehand?

OK, I have removed those name tags entirely. In all cases the tag values were already present in other tags.

I removed the "seamark:" prefixes to those tags as they were not valid. If the resulting tags are incorrect, then please feel free to delete them.