"Michael" wrote in message ...
This would be a good time to re-read Rule Five. One thing you will note is
there does not exist any requirement for visual (Mk I Eyeball or Mk I Mod 2
(eyeglasses, binoculars etc.) vision 360 degrees 24/7.


"at all times maintain a proper look-out by sight and hearing" would seem to
cover 24/7 eyeball. Certainly nothing says 360 degrees. As I've said, courts
have had a lot to say about the meaning of "proper," including saying that "no
lookout" is proper in some cases.

And I'll go with the sub, also. But what about a lightship?