INTERNATIONAL
INLAND
MAKING WAY
MAKING WAY
UNDERWAY BUT STOPPED AND
UNDERWAY BUT STOPPED AND
MAKING NO WAY
MAKING NO WAY
VESSEL NOT UNDER COMMAND,
VESSEL NOT UNDER COMMAND,
VESSEL RESTRICTED IN HER
VESSEL RESTRICTED IN HER
ABILITY TO MANEUVER, VESSEL
ABILITY TO MANEUVER UNDERWAY
CONSTRAINED BY DRAFT, SAILING
OR AT ANCHOR, SAILING VESSEL,
VESSEL, VESSEL ENGAGED IN
VESSEL ENGAGED IN FISHING
FISHING, VESSEL ENGAGED IN
UNDERWAY OR AT ANCHOR, VESSEL
TOWING OR PUSHING
ENGAGED IN TOWING OR PUSHING
ANOTHER VESSEL
VESSEL BEING TOWED OR LAST
VESSEL BEING TOWED OR LAST
VESSEL OF TOW
VESSEL OF TOW
RAPID
RAPID
RINGING OF
RINGING OF
BELL FOR 5
BELL FOR 5
SEC. EV. MIN.
ANCHORED
SEC. EV. MIN.
ANCHORED
RAPID
ANCHORED OVER 100 METERS
RAPID
ANCHORED OVER 100 METERS
RINGING OF
RINGING OF
BELL FOR 5
BELL FOR 5
SEC.
SEC.
FOLLOWED
FOLLOWED
BY RAPID
BY RAPID
RINGING OF
RINGING OF
GONG EVERY
GONG EVERY
MINUTE
MINUTE
3 SEPARATE & AGROUND
3 SEPARATE & AGROUND
DISTINCT
DISTINCT
STROKES ON
STROKES ON
BELL
BELL
IMMEDIATELY
IMMEDIATELY
BEFORE &
BEFORE &
AFTER RAPID
AFTER RAPID
RINGING OF
RINGING OF
BELL
BELL
PILOT VESSEL ENGAGED ON
PILOT VESSEL ENGAGED ON
PILOTAGE DUTY
PILOTAGE DUTY
NOTE: SIGNAL INTERVALS ARE 2 MINUTES UNLESS OTHERWISE NOTED.
Figure 9-30.—Sound signals in restricted visibility.
A vessel not under command; a vessel restricted
in her ability to maneuver, whether under way or
anchored; a sailing vessel; a vessel engaged in
fishing, whether under way or anchored; and a vessel
engaged in towing or pushing another vessel will
sound one prolonged blast, followed by two short
blasts at 2-minute intervals.
A vessel at anchor must, at intervals of not more
than a minute, ring the bell rapidly for about 5
9-31
