121.402—Compasses.
(a)
Except as otherwise provided in this section every vessel must be fitted with a suitable magnetic compass designed for marine use, to be mounted at the primary operating station.
(b)
The following vessels need not be fitted with a compass:
(1)
A vessel on a rivers route;
(2)
A non-self-propelled vessel; and
(3)
A vessel operating on short restricted routes on lakes, bays, and sounds.
(c)
Except on a vessel limited to daytime operations, the compass must be illuminated.