Flying lighthouses?

[StCptMara]

A rather silly thought, I know, but would it be possible and actually, to some degree,
practical to do something like a Leviathan, but that has no propulsion, just the
electoid tanks, to "float" in one place(likely anchored) and serve as a
lighthouse/observation post?  (Or am I just going into the realms of "Really crazy"
now?)

[Worktroll]

Not impossible, but not likely. You'd probably put your powerhouse on the ground, and run the power up through cables if you did. Such a flying lighthouse would be very vulnerable to bad weather - a stone lighthouse stays where it is, while a "lighthouse on a string" could get dashed to the ground in a hurricane.

Not to mention problems if there was damage to the power cord ...