guidance notes should be read in conjunction with Regulations
and 27, which
cover the carriage of Charts and Nautical Publications. The
Regulations revoke the Merchant Shipping (Carriage of Nautical
Publications) Regulations 1998 (SI 1998 No. 2647)
Regulation SOLAS V/1.4 allows Administrations to determine to
what extent Regulations 15 to 28 apply to smaller vessels and
fishing vessels. In the case of Regulation
188.8.131.52 the carriage requirements for charts and publications
do not apply to the following:
UK Ships of Class V.
UK Ships which are neither passenger ships nor seagoing.
ships of class A,B,C or D
vessels under 150 gt.
small-craft users should note that Regulation
34 (Safe navigation and avoidance of dangerous situations)
is not listed in Regulation
1.4 and therefore applies to ALL SHIPS ON ALL VOYAGES (Regulation
1.1). The definition of “ship” in this respect includes all
small watercraft. Operators of small craft of the categories
listed above should therefore have sufficient charts and published
information on board to be able to plan the intended voyage
and execute it safely. When the type and structure of a small
vessel means that it is impracticable to carry charts and publications,
the crew should have sufficient knowledge of the area of intended
operation and of all local dangers and regulations so that they
can complete the intended voyage in safety.
to carry nautical publications
All ships, except those listed in para. 1 above, shall
as defined in Regulation
2.2 or an electronic chart display and information
system (ECDIS) using Electronic Navigational Charts (ENCs)
or Raster Navigational Charts (RNCs) to meet the requirements
184.108.40.206 with the necessary back-up arrangements required
by Regulation 220.127.116.11. The back-up arrangements may either
be duplication of the ECDIS or a reduced folio of paper charts.
(ANNEX 14 - Electronic charts contains
MCA guidance and also includes IMO SN Circ/207 “Differences
between RCDS and ECDIS”.) Advice on determining suitable backup
is given in MGN 285;
such adequate and up to date sailing directions, lists of
lights, notices to mariners, tide tables and other nautical
publications, as defined in Regulation
2.2 to meet the requirements of Regulation
Nautical publications presented in electronic format are acceptable
when issued by or on the authority of an authorised Hydrographic
office or other relevant Government institution.
for system installation and use aboard ships are included
at Section 6.
sea-going passenger ships, and all other ships of 300 gt or
more and all other ships required by SOLAS to carry a radio
installation, shall carry the International Code of Signals
published by the International Maritime Organization. (See
ships to carry Volume III of the IAMSAR Manual (See Regulation
21 and the Guidance note which lists MCA exceptions to
to comply with the Radio Regulations published by the International
Telecommunications Union (ITU), ships to which the Merchant
Shipping (Radio Installation) Regulations (SI 1998/2070)
apply i.e. passenger ships and other ships of 300 gt or more
on international voyages, when provided with equipment for
use in sea areas A2, A3 or A4 i.e. beyond VHF range of coast
stations, shall also carry the following publications of the
VIIA, the Alphabetical List of Call Signs and Numerical
Table of Identity of Stations.
Manual for Use by the Maritime Mobile and Maritime Mobile
charts or ECDIS referred to in Regulation 18.104.22.168 must be of
such a scale and contain sufficient detail as clearly to show;
all navigational marks which may be used by a ship when navigating
the waters which are covered by the chart;
all known dangers affecting those waters; and
concerning any ships' routeing and ship reporting measures applicable
to those waters.
charts and publications must be of the latest obtainable edition
and be kept up to date from the latest relevant obtainable
notices to mariners and radio navigational warnings.
following publications are considered to satisfy the requirements
of Regulation 22.214.171.124
Code of Signals (IMO)
Shipping Notices, Marine Guidance Notes and Marine Information
to Mariners (UKHO)
to Mariners – Annual Summary (UKHO)
of Radio Signals (UKHO)
and Maintenance Instructions for Navigational Aids carried
by the Ship
the case of publications listed above, only those parts of
the publication which are relevant to a ship's voyage and
operation need be carried.
the UK Hydrographic Office (UKHO) is listed as the publisher,
any other charts or publications which meet the definition
2 shall be acceptable.
MCA also recommends that ships carry a copy of "Safety
of Navigation, implementing SOLAS Chapter V, 2002" and, ships fitted with electronic chart and display information systems (ECDIS),
carry a copy of NP 5012 "Admiralty Guide to ENC symbols used in ECDIS" and NP133C "Admiralty ENC Maintenance Record".
DIGITAL NAUTICAL PUBLICATIONS -
FOR SYSTEM INSTALLATION AND USE ABOARD SHIPS
The processor unit of the computer should be capable
of running the official digital nautical publication software
products in an effective manner, giving due regard to the
specific requirements of the official software products,
the operating system in use and the demands of other software
products loaded on the computer. Full consideration should
be given to the:
System in use (eg Windows XP) - is it supported by the
digital nautical publication products that will be loaded
onto the system?
speed (eg 1GHz) - is it fast enough to support the loaded
products, particularly if nautical publication software
will be operating simultaneously with other products?
(eg 256 MB) - is it large enough to support simultaneously
nautical publication products and other running software?
disk space free: (eg 1 GB) - is there enough space to
load the programme, the data and the necessary updates?
peripherals, (eg CD ROM, floppy disk, keyboard, mouse,
internet connection) - are the right peripherals available
to load, use and update digital nautical publication software
The primary computer should be installed close to where
the voyage is monitored. It should be designed to meet the
environmental conditions defined in IEC60945 and be powered
from the main and emergency sources of power on the bridge.
The effective display area should measure at least 350 millimetres
across the diagonal. The display should be able to be varied
in brightness and contrast to enable viewing in all ambient
light conditions. The lighting over the keyboard should
be adjustable to enable use in all ambient situations. Care
should be taken in positioning and setting-up the display
and keyboard lighting so that it does not affect the night
vision of bridge watch staff.
If the display and controls for accessing digital
nautical publications are situated close to the conning
position or to a look-out position the display at night
should be set to appropriate night-time colours. Great care
must be taken in setting brightness adjustments to prevent
the display and the keyboard lighting from affecting the
night vision of bridge watch staff.
An ECDIS capable of accessing appropriate digital
nautical publications may be used as the 'workstation' for
the use of such publications. However, digital nautical
publications may only be used on ECDIS if the ECDIS equipment
has been approved by the flag Administration (type approved)
for this purpose.
The primary computer (if not an ECDIS) may also be
used to run other software needed for essential bridge support
functions, provided these are checked for compatibility
with the officially approved products loaded. Digital nautical
publications should be available for instant use at any
time during the voyage.
On some ships, with a poor electrical supply, it may
be necessary to power the primary computer system through
an uninterruptible power supply (UPS). This is a self contained
battery-driven power inverter that continues to supply good
quality electrical power, even when there are fluctuations
in the ship's main supply. A UPS can also operate the computer
system for some minutes even if there is a complete power
failure. It cannot normally be considered to act as the
emergency source of power because of the relatively short
time before its batteries are exhausted.
A secondary computer is required in case of failure
of the primary system. It is ideally situated on the bridge
when it should comply with the requirements of Paragraphs
1.2-1.5 above, except
It is not necessary for it to be provided with an emergency
source of power.
It need only comply with the EMC requirements of IEC60945
network solution can inherently provide a good backup. In
this instance prior consideration of the preferred secondary
workstation should be made. This should be documented within
the ship's bridge procedures. It should be noted that not
all officially approved products currently support network
If not mounted on the bridge (and if permitted by the flag
Administration), the secondary system may be a good quality
office system connected to the ship's normal power supply.
It should comply with the requirements of Paragraphs 1.2
and 1.3 above and be situated in a convenient position for
access by bridge personnel. It should not be in an area
subject to high levels of vibration, heat or humidity, which
could lead to damage of the system. The effective display
area should measure at least 350 millimetres across the
The secondary system may be used for other applications
of a critical or non-critical nature, provided that any
software loaded is approved by the master and is checked
for compatibility with the officially approved products
loaded. During the voyage it must be available for instant
access to digital nautical publications in the event of
a failure of the primary system.
If the secondary system is not on the bridge it is
recommended that it is also connected to a colour printer
to allow the printing of critical data needed for use at
the chart table or elsewhere on the bridge.
A secondary system is not required if the equivalent
paper version of the digital nautical publication is available
on the bridge and is maintained up-to-date. In that case
the bridge computer system need only comply with the EMC
requirements of IEC 60945 and not the full environmental
requirements specified for the bridge environment.
In placing equipment on the bridge care must be taken
to comply with the requirements of SOLAS
Chapter V Regulation 15 'Principles relating to bridge design,
design and arrangement of navigational systems and equipment
and bridge procedures'.
Consideration must be given to protecting the primary
and secondary computers (including a network system, if
used) against computer viruses. This may be by the installation
and regular update of anti-virus software or by strict bridge
instructions prohibiting unauthorised use, including the
loading of non-approved software or data.
Training on the system should be provided to enable
operators to use it effectively and maintain the databases
to be fully up-to-date. Users new to the particular vessel
should be familiarised with the equipment set-up and with
the vessel's bridge procedures concerning the use of digital
nautical publications, prior to using the equipment.
Updates available in port should be applied before passage
planning commences and before leaving port. If updates are
received at sea they should be applied as soon as possible.
Any changes relevant to the execution of the passage plan
should be noted on the passage plan
Updates need to be applied to both primary and secondary
Records should be kept of when updates are received and
During passage planning it should be checked that
any licences concerning the use of the software and its
updates will remain valid for a period in excess of the
expected worst-case voyage duration. If this is not the
case corrective action needs to be taken.
A status check of the primary and secondary systems
should be made before leaving port and at least once per
day in order to ascertain the availability of the systems.
This information should be recorded in the ship's log.
In the event of a failure of the primary or secondary
system it should normally be repaired at the next port of
call, unless the facilities for such a repair are not available.
In the latter case proper thought and action needs to be
taken to minimise the effects of failure of the remaining
system. That could include, for instance, making a print-out
of critical data that may be needed during the voyage before
the voyage commences, directly from the digital nautical
Bridge instructions should be in place to prohibit
any unauthorised use of the primary and secondary systems,
such as: the loading of additional software; change of software
or hardware configuration; and any use by untrained staff.