RULE 36 - SIGNALS TO ATTRACT ATTENTION
RULE 37 - DISTRESS SIGNALS
If necessary to attract the attention of another vessel, any vessel
may make light or sound signals that cannot be mistaken for any
signal authorized elsewhere in these Rules, or may direct the beam
of her searchlight in the direction of the danger, in such a way
as not to embarrass any vessel. Any light to attract the
attention of another vessel shall be such that it cannot be mistaken
for any aid to navigation. For the purpose of this Rule the use
of high intensity intermittent or revolving lights, such as strobe
lights, shall be avoided. [Intl]
When a vessel is in distress and requires assistance she shall
use or exhibit the signals described in Annex IV to these Regulations.
The
distress signals for inland waters are the same as those displayed
in the table above with the following additional signal:
