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6. Marine vessels equipped with VHF radios are required to monitor
Channel 16.
7. 156.050 MHz and 156.175 MHz are available for port operations and
commercial communications purposes when used only within the U.S.
Coast Guard designated Vessel Traffic Services (VTS) area of New
Orleans, on the lower Mississippi River from the various pass entrances
in the Gulf of Mexico to Devil’s Swamp Light at River Mile 242.4 above
head of passes near Baton Rouge.
8. 156.250 MHz is available for port operations communications use only
within the U.S. Coast Guard designated VTS radio protection areas of
New Orleans and Houston described in Sec. 80.383. 156.250 MHz is
available for intership port operations communications used only within
the area of Los Angeles and Long Beach harbors, within a 25- nautical
mile radius of Point Fermin, California.
9. 156.550 MHz, 156.600 MHz and 156.700 MHz are available in the
U.S. Coast Guard designated port areas only for VTS communications
and in the Great Lakes available primarily for communications relating
to the movement of ships in sectors designated by the St. Lawrence
Seaway Development Corporation or the U.S. Coast Guard. The use
of these frequencies outside VTS and ship movement sector protected
areas is permitted provided they cause no interference to VTS and ship
movement communications in their respective designated sectors.
10. Use of 156.875 MHz is limited to communications with pilots regard-
ing the movement and docking of ships. Normal output power must not
exceed 1 watt. 5: 156.375 MHz and 156.650 MHz are available primar-
ily for intership navigational communications. These frequencies are
available between coast and ship on a secondary basis when used on
or in the vicinity of locks or drawbridges. Normal output power must not
exceed 1 watt. Maximum output power must not exceed 10 watts for
coast stations or 25 watts for ship stations.
11. On the Great Lakes, in addition to bridge-to-bridge communications,
156.650 MHz is available for vessel control purposes in established
vessel traffic systems. 156.650 MHz is not available for use in the Missis-
sippi River from South Pass Lighted Whistle Buoy “2” and Southwest
Pass entrance Mid-channel Lighted Whistle Buoy to mile 242.4 above
Head of Passes near Baton Rouge. Additionally it is not available for
use in the Mississippi River-Gulf Outlet, the Mississippi River-Gulf Outlet
Canal, and the Inner Harbor Navigational Canal, except to aid the transi-
tion from these areas.
