ent time to prevent collision; and they shall
also show a red pyrotechnic light, as prescribed in subdivision
(_b_) 2, or in lieu thereof a flare-up light.

(_c_) Vessels and boats when line fishing with their lines out and
attached to their lines, and when not at anchor or stationary, shall
carry the same lights as vessels fishing with drift nets.

(_d_) Fishing vessels and fishing boats may at any time use a
flare-up light in addition to the lights which they are by this article
required to carry and show. All flare-up lights exhibited by a vessel
when trawling or fishing with any kind of drag net shall be shown at the
after part of the vessel, excepting that if the vessel is hanging by the
stern to her fishing gear they shall be exhibited from the bow.

(_e_) Every fishing vessel and every boat when at anchor shall
exhibit a white light visible all around the horizon at a distance of at
least 1 mile.

(_f_) If a vessel or boat when fishing becomes stationary in
consequence of her gear getting fast to a rock or other obstruction, she
shall show the light and make the fog signal prescribed for a vessel at
anchor, respectively. (See article 15 (_d_), (_e_), and last
paragraph.)

(_g_) In fog, mist, falling snow, or heavy rain storms drift-net
vessels attached to their nets, and vessels when trawling, dredging, or
fishing with any kind of dragnet, and vessels line fishing with their
lines out shall, if of 20 tons gross tonnage or upward, respectively, at
intervals of not more than one minute make a blast--if steam vessels,
with the whistle or siren, and if sailing vessels, with the fog
horn--each blast to be followed by ringing the bell.

(_h_) Sailing vessels or boats fishing with nets or lines or trawls
when under way shall in daytime indicate their occupation to an
approaching vessel by displaying a basket or other efficient signal
where it can best be seen.

The vessels referred to in this article shall not be obliged to carry
the light prescribed by article 4 (_a_) and article 11, last
paragraph.

ART. 10. A vessel which is being overtaken by another shall show from
her stern to such last-mentioned vessel a white light or a flare-up
light.

The white light required to be shown by this article may be fixed and
carried in a lantern, but in such case the lantern shall be so
constructed, fitted, and screened that it shall throw an u