TERNAV (MIDTERM) Flashcards
This catalog is a fully comprehensive reference in graphical and textual form detailing the worldwide inventory of all Admiralty Charts and Publications available for purchase.
Chart catalogue
catalogue is revised and republished on
1st December every year.
is supplied with each copy to bring the catalogue up to date for changes occurring during production.
loose addendum
. The size of the majority of Admiralty charts is about _, measured between the inner neat-line; these charts are sold _.
980 x 640 mm. single-folded
requires all ship covered by convention, to carry and update the latest editions of NavigationCharts and Publications
International Convention for the Safety of Life at Sea(SOLAS)
provides a range of update services for paper and electronic products designed to meet these regulations.
UKHO
are published weekly and include safety critical and important changes to Admiralty paper Charts and Publications, the text of which enable the chart or publication to be updated by hand
Notices to Mariners
Admiralty Notice to Mariners (NP247) (published in
January each year)
are nautical charts issued by the United Kingdom Hydrographic Office and subject toCrown CopyrighT
Admiralty charts
They cover virtually the entire world in various levels of detail depending on the density of hazards and traffics.
Admiralty charts
aims to enhance on-board knowledge of route features and sea conditions and aim to improve decision making for the best routes in any situation.
Admiralty planning
One of the most important characteristics is that an Admiralty chart is continually
updated and corrected
contain all the corrections, alterations and amendments for the UKHO’s worldwide series of Admiralty Charts and Publications. They are published weekly in several formats but best known as the weekly booklets, which are dispatched directly from the UKHO.
Admiralty Notice to Mariners’
who produce nautical publications also provide a system to inform mariners of changes that effect the chart.
Hydrographic officers
provide mariners with important navigational information.
Notices to Mariners (NMs)
NMs contain corrections, alterations, and amendments for Admiralty charts and publications. They provide information on changes to navigational aids, hazards, obstructions, and other updates that may affect safe navigation
Chart updates:
: NMs inform mariners about changes in buoyage systems, including changes in buoy positions, characteristics, and light sequences.
Buoyage changes
NMs may include navigational warnings that alert mariners to temporary or permanent hazards, such as wrecks, shoals, or other dangers to navigation
Navigational warnings:
NMs may provide information about temporary or permanent closures, restrictions, or changes in harbor operations that mariners need to be aware of
Harbor closures and restrictions:
NMs may give prior warning of dredging operations, including areas where vessels need to exercise caution due to dredging activities
Dredging activities:
NMs may provide information about temporary or permanent exclusion zones, such as areas restricted for military exercises, underwater operations, or other activities
Exclusion zones:
NMs help mariners keep their Admiralty charts and publications up to date. They provide the necessary data to maintain the accuracy and reliability of the charts and publications.
Publication maintenance:
NMs can be obtained from authorized sources, such as the UK Hydrographic Office(UKHO) or ADMIRALTY Distributors. They may be available for free download or for purchase as weekly bulletins
Availability:
the only one authorized for chart corrections
0.25 magenta pen,
pencil and eraser
2B
option to mark the corrections positions on the charts.
A screw:
recommended by the ADMIRALTY
7H pencils
(symbols and abbreviations)
NP5011
the chart maintenance catalogue to record all the updates per chart
NP133A,