1 pt each

What is a range, and how are two lights used to establish a range?

To mark a direction, usually a channel, at night. One higher than the other,
then line 'em up.


Why would three lights be used?

Don' t know.

What are the factors that determine a single light's visible range?



How are red sector in lights used?

Keep clear.

Why are lighthouses all designed differently?

Identify location by color scheme or other attributes.

At night, what danger should a helmsman be aware of when
steering for a lighted bouy that is being used as a way point?

don't hit it or the jackass tied to it using his BBQ; keep to the appropriate
side.


What is a Morse Code "A" light mean?

safe water at center of a channel