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The Directions and Requirements on page 4 of the Declaration of Health (applying only to the
Port of London) on Dec. 31, 1970 were as follows:—
PUBLIC HEALTH (SHIPS) REGULATIONS, 1966
DIRECTIONS AND REQUIREMENTS
These directions and requirements are made by the Medical Officer of Health for the Port and
City of London in pursuance of the Public Health (Ships) Regulations, 1966 and compliance therewith
is required by virtue of Regulation 36 of the said Regulations.
TO THE MASTER OF ANY SHIP APPROACHING THE
PORT OF LONDON FROM A FOREIGN PORT
1. You should ascertain the state of health of all persons on board.
2. You must complete, sign and deliver the foregoing Maritime Declaration of Health unless
your ship has on this voyage been only to excepted Ports or has already been cleared at a Port in
the United Kingdom. Make sure that all parts are completed and that is is countersigned by the
ship's surgeon if one is carried.
3. If the answer to any question on page 1 is Yes OR if your ship has, during the last 28 days,
been in any Port in all Asia, Africa (including transit through the Suez Canal) the Americas
(excluding the U.S.A., Canada and transit through the Panama Canal) or any area locally infected
quarantinable disease, you must:—
(a) send a WIRELESS MESSAGE to "PORTELTH LONDON" stating
(1) the name of the ship.
(2) the estimated time of arrival in the Lower Hope Reach. If your ship is berthing or
anchoring below the Lower Hope, give the estimated time of arrival and the name of
the berth or anchorage.
(3) numbers, ages and sex of all persons on board who are ill and your best estimate of
what is wrong with them.
This message must be sent not more than 12 hours and whenever practicable not
less than four hours before the estimated time of arrival.
(b) (1) If your ship is proceeding to a mooring or berth in the Port down river of No.l Mucking
Buoy:—
Show or give the following signals:—
(a) the international two-flag signal ZW flown at the masthead or where it can best
be seen from the shore until instructed by the Port Health Authority or a Customs
Officer that it is no longer necessary; and
(b) between sunset and sunrise, either:—
(i) the signal ZW flashed in the Morse Code by lamp, at thirty second intervals, or
(ii) a signal consisting of a red light over a white light, the lights being not
more than six feet apart, shown at the peak or where the signal can best be
seen from the shore;
such signals to be given from No.l Sea Reach Buoy until an authorised officer of the
Port Health Authority or a Customs Officer has boarded the ship.
(2) If your ship is proceeding to a mooring or berth up river of No.l Mucking Buoy:—
Show or give the following signals:—
(a) the international two-flag signal ZW flown at the masthead or where it can best
be seen from the shore until instructed by the Port Health Authority or a Customs
Officer that it is no longer necessary; and
(b) between sunset and sunrise, either:—
(i) the signal ZW flashed in the Morse code by lamp, at thirty second intervals,or
(ii) a signal consisting of a red light over a white light, the lights being not
more than six feet apart, shown at the peak or where the signal can best be
seen from the shore;
such signals to be given from No. 1 Mucking Buoy until an authorised officer of the
Port Health Authority or a Customs Officer has boarded the ship.
4. The procedure set out in III (B) (2) above will expedite the boarding of your ship by the
Medical Officer and this will normally take place in the Lower Hope Reach. To avoid delay to
your ship you should, on sighting the Medical Officer's Launch, reduce speed sufficiently for it
to come along side. Hand this Declaration to the Medical Officer together with lists of names and
addresses for all passengers and crew. You must not proceed up River beyond Gravesend Pilot
Station until your ship has been cleared from health control.
5. If the answer to all the questions on page one is NO AND the ship has not called during the
last 28 days at a Port in any of the places mentioned in paragraph III above, health clearance of
your ship will be dealt with by an Officer of H.M. Customs on your arrival at your berth. In these
circumstances you need not communicate with the Port Health Authority and your ship will not be
boarded by the Medical Officer.
6. If your ship has been in any port in all Asia, Africa (including transit through the Suez Canal)
or the Americas (excluding the U.S.A., Canada and transit through the Panama Canal), during the
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