Charts and publications lrg

Grunt Productions 2007
CHARTS ANDCHARTS AND
PUBLICATIONS.PUBLICATIONS.
References:References:
P133 - Hydrographic SuppliesP133 - Hydrographic Supplies
HandbookHandbook
A brief by Lance Grindley

REQUIREMENTS OF AREQUIREMENTS OF A
NAVIGATIONAL CHARTNAVIGATIONAL CHART
► GeneralGeneral
 Correct distance to scale.Correct distance to scale.
 Ability to lay off a bearing.Ability to lay off a bearing.
 Rhumb lines appear as straight lines.Rhumb lines appear as straight lines.
 Accurate representation of land.Accurate representation of land.
► OrthomorphismOrthomorphism
 Not all charts are orthomorphic.Not all charts are orthomorphic.
 Compass rose must be circular.Compass rose must be circular.
 Parallel and meridians at right angles.Parallel and meridians at right angles.

MERCATORMERCATOR
► Rhumb lines appear as straight lines.Rhumb lines appear as straight lines.
► Angles between rhumb lines on earth and thoseAngles between rhumb lines on earth and those
on chart remain the same.on chart remain the same.
► Equator and parallels of latitude appear asEquator and parallels of latitude appear as
straight lines.straight lines.
► Straight line joining two points is not the shortestStraight line joining two points is not the shortest
distance.distance.
► Types:Types:
 Navigational, PEXA, GC Plotting.Navigational, PEXA, GC Plotting.
 All Admiralty charts less than 1:50 000All Admiralty charts less than 1:50 000
i.e. 1”= 1 ½ milesi.e. 1”= 1 ½ miles

MERCATOR PROJECTIONMERCATOR PROJECTION

MERCATOR PROJECTIONMERCATOR PROJECTION
► AdvantagesAdvantages
 Parallels and meridians are straight lines and at rightParallels and meridians are straight lines and at right
angles.angles.
 Angles and distances can be accurately measured.Angles and distances can be accurately measured.
 Land is correct shape in any locality.Land is correct shape in any locality.
► DisadvantagesDisadvantages
 Cannot be used at high latitudes.Cannot be used at high latitudes.
 Latitude scale not constant over whole chart.Latitude scale not constant over whole chart.
 Straight line between two points is not necessarilyStraight line between two points is not necessarily
shortest distance.shortest distance.

GREAT CIRCLEGREAT CIRCLE
PP
QQQQ
PP

GNOMONICGNOMONIC
► Great Circles appear asGreat Circles appear as
straight lines.straight lines.
► Rhumb lines appearRhumb lines appear
curvedcurved
► Parallels of latitude areParallels of latitude are
curved.curved.
► Straight line between twoStraight line between two
places is the shortestplaces is the shortest
distance.distance.
► Used for GC and PolarUsed for GC and Polar
chartscharts

GNOMONICGNOMONIC
CHG 97/884/55
M97/1295-4-13
150°W 140°W 130°W 120°W 110°W
A30°S
35°S
40°S
45°S
50°S
160°W
M
80°W
B
100°W 90°W
30°S
35°S
40°S
45°S
50°S

TRANSVERSE MERCATORTRANSVERSE MERCATOR
PROJECTIONPROJECTION
CHG 97/884/52
M97/1295-4-10
N
W
S
E
1
Scale error and distortion are away from central meridianScale error and distortion are away from central meridian
Chart is orthomorphic, but meridians and parallels are slightlyChart is orthomorphic, but meridians and parallels are slightly
curvedcurved..
Central Meridian

TRANSVERSE MERCATORTRANSVERSE MERCATOR
► AdvantagesAdvantages
 Can be used to give orthomorphic representation ofCan be used to give orthomorphic representation of
any part of the earth’s surface by appropriateany part of the earth’s surface by appropriate
selection of the central meridian and suitable scale.selection of the central meridian and suitable scale.
► DisadvantagesDisadvantages
 Unacceptable distortion away from central meridianUnacceptable distortion away from central meridian
at small scales.at small scales.
► Used for all large scale Admiralty charts and OS mapsUsed for all large scale Admiralty charts and OS maps
of GB.of GB.

TransverseTransverse
MercatorMercator
ProjectionProjection

RELIABILITY OF CHARTSRELIABILITY OF CHARTS
►Dates of survey and degree of relianceDates of survey and degree of reliance..
 A modern survey.A modern survey.
 Continuous depth contours.Continuous depth contours.
 Bottom detail.Bottom detail.
 Complete coastline.Complete coastline.
 Topographical detail.Topographical detail.
►Source data diagramSource data diagram..
 Clearest indication of reliability.Clearest indication of reliability.

SOURCE DATA DIAGRAMSOURCE DATA DIAGRAM
Source Data
Admiralty Surveys
a 1987-88 1:20 000
b 1982-86 1:20 000
c 1981-84 1:5000 - 1:15 000
d 1956-79 1:12 500 - 1:25 000
e 1958-71 1:3500
f 1968-81 1:50 000
g 1937-58 1:50 200 - 1:72 000
h 1925-38 1:20 050 - 1:24 950
Other Surveys
j 1971-89 1:5000 - 1:10 000

DATES OF SURVEYDATES OF SURVEY
► - 1935- 1935 Hand Lead Line.Hand Lead Line.
►1935 on -1935 on - Echo Sounder.Echo Sounder.
►1973 on -1973 on - Side Scan Sonar.Side Scan Sonar.

DANGERS BETWEEN LINESDANGERS BETWEEN LINES
OF SOUNDINGSOF SOUNDINGS
“Undetected
Danger”
“Undetected
Danger”
D E
10.0m10.0m
62.5m 62.5mba c
Section through DE
Undetected
Dangers
D E D E
Soundings
recorded on
survey at scale
of 1:12,500
Appearance of
corresponding
portion of chart
on same scale
M97/1310-1A-18

INFORMATION ON CHARTSINFORMATION ON CHARTS
► Number.Number.
► Title.Title.
► Source Data Diagram.Source Data Diagram.
► Date of Survey.Date of Survey.
► Scale.Scale.
► Units of Sounding.Units of Sounding.
► Heights.Heights.
► Positions.Positions.
► Navigational Marks.Navigational Marks.
► Projection.Projection.
► Sources.Sources.
► Satellite Derived PositionSatellite Derived Position
Under TitleUnder Title

INFORMATION ON CHARTSINFORMATION ON CHARTS
►Date of Publication - bottom centre.Date of Publication - bottom centre.
►Date of new Edition - at right of 12.Date of new Edition - at right of 12.
►Date of small Correction - bottom left.Date of small Correction - bottom left.
►Date of printing - with label.Date of printing - with label.
►Depth in Metres - top left, bottom right.Depth in Metres - top left, bottom right.
►Tide Levels referred to Chart Datum.Tide Levels referred to Chart Datum.

SATELLITE DERIVEDSATELLITE DERIVED
POSITIONSPOSITIONS
Spheroid OSpheroid O11, provides best fit forEurope, provides best fit forEurope
Spheroid OSpheroid O22, provides best fit forNorth America, provides best fit forNorth America
OO11
OO22
NN NN
N
orth
N
orth
A
m
erica
A
m
erica
Europe
Europe
South
South
Am
erica
Am
erica
Africa
Africa
GEOIDGEOID
(IrregularSurface)(IrregularSurface)

ARRANGEMENT OF CHARTSARRANGEMENT OF CHARTS
► Chart FoliosChart Folios
 Folios cover specific geographical areas. (NP 131)Folios cover specific geographical areas. (NP 131)
 Charts arranged in numerical order.Charts arranged in numerical order.
 Folio Label - Number, date of issue, correction state.Folio Label - Number, date of issue, correction state.
 Folio List - Number and titles of charts.Folio List - Number and titles of charts.
► Folio SchemeFolio Scheme
 Standard (1-100), Fleet (700), Misc (300).Standard (1-100), Fleet (700), Misc (300).
 Prefixed by: F, R, W/WL or Q.Prefixed by: F, R, W/WL or Q.

CORRECTION OF CHARTSCORRECTION OF CHARTS
1. NOTICES TO MARINERS1. NOTICES TO MARINERS
Issued weekly. Sections I to VI as follows:-Issued weekly. Sections I to VI as follows:-
II IndexIndex
IIII Corrections for the week - including (T) and (P) corrections.Corrections for the week - including (T) and (P) corrections.
Publication of newPublication of new charts, new editionscharts, new editions
IIIIII Navigational warningsNavigational warnings
IVIV Corrections to Sailing DirectionsCorrections to Sailing Directions
VV Corrections to Admiralty List of Lights and Fog SignalsCorrections to Admiralty List of Lights and Fog Signals
VIVI Corrections to Admiralty List of Radio SignalsCorrections to Admiralty List of Radio Signals

CORRECTION SHEETCORRECTION SHEET
Permanent ‘T’ + ‘P’
1982 -289-342 1983 - 349-499-706-1072-1729 739(T)83
1982 -1127- 1983 -117-818-819-1725-1992//NE 12-4-83 2014
1983 // NC 15-4-83 3016
5109
5110
5121
5110 727A
Notice to Mariners affecting Chart
Chart
No.
Consec
No.
DATE OF ISSUE CHART DEPOT
CORRECT TO
N.M. No
12 SEPT 1982 PLYMOUTH 230
YEAR
82
1. Cross through
corrections in pencil
2. T and P in pencil
3. All other entries in ink

RADIO NAVIGATIONRADIO NAVIGATION
WARNINGSWARNINGS
►Long Range Warnings.Long Range Warnings.
 Navareas, Hydropacs, Hydrolants.Navareas, Hydropacs, Hydrolants.

NAVAREASNAVAREAS

RADIO NAVIGATIONRADIO NAVIGATION
WARNINGSWARNINGS
► Long Range Warnings.Long Range Warnings.
 Navareas, Hydropacs, HydrolantsNavareas, Hydropacs, Hydrolants
► Coastal Warnings.Coastal Warnings.
 Promulgated by country of Origin.Promulgated by country of Origin.
 Covers specific coastal area e.g., WZ’sCovers specific coastal area e.g., WZ’s
► Local Radio Warnings.Local Radio Warnings.
 VHF b’cast by local port, pilotage or Coastguard authority.VHF b’cast by local port, pilotage or Coastguard authority.
 Inshore waters.Inshore waters.

PUBLICATIONSPUBLICATIONS
1.1. HYDROGRAPHIC SUPPLIES HANDBOOK (NP 133)HYDROGRAPHIC SUPPLIES HANDBOOK (NP 133)
a.a. General informationGeneral information
b.b. Charts - arrangement and correctionCharts - arrangement and correction
c.c. Navigational publicationsNavigational publications
d.d. Notices to Mariners - arrangement and contentsNotices to Mariners - arrangement and contents
e.e. Outfit of charts and publications - supply and upkeepOutfit of charts and publications - supply and upkeep
f.f. Air charts and mapsAir charts and maps
g.g. Disposal of chartsDisposal of charts
h.h. Lists of Charts and Map FoliosLists of Charts and Map Folios
i.i. Lists of navigational publicationsLists of navigational publications

2.2. CHART CORRECTION LOG AND FOLIO INDEXCHART CORRECTION LOG AND FOLIO INDEX
(NP 133B)(NP 133B)
a.a. Record of new chartsRecord of new charts
b.b. Folio Correction SheetsFolio Correction Sheets
c.c. Index to all Admiralty ChartsIndex to all Admiralty Charts
3.3. CATALOGUE OF ADMIRALTY CHARTS (NP 131)CATALOGUE OF ADMIRALTY CHARTS (NP 131)
a.a. List of navigational charts arranged in geographical sequenceList of navigational charts arranged in geographical sequence
b.b. Numerical index of chartsNumerical index of charts
c.c. List of Sailing Directions and other publications of use to marinersList of Sailing Directions and other publications of use to mariners
d.d. List of miscellaneous charts and diagramsList of miscellaneous charts and diagrams

4.4. ADMIRALTY SAILING DIRECTIONS (NP 1 to 72)ADMIRALTY SAILING DIRECTIONS (NP 1 to 72)
Supplied automatically with chart outfits supplements issued every two yearsSupplied automatically with chart outfits supplements issued every two years
a.a. Information relating to Admiralty charts and publications, generalInformation relating to Admiralty charts and publications, general
navigation and meteorology. Views included in main textnavigation and meteorology. Views included in main text
b.b. Index chart for area covered by volumeIndex chart for area covered by volume
c.c. Chapter 1:Chapter 1:
a)a) Navigation - RegulationsNavigation - Regulations
b)b) Country - Port InformationCountry - Port Information
c)c) Natural ConditionsNatural Conditions
d.d. Appendices:Appendices:
1)1) Dockyard Ports - Orders in CouncilDockyard Ports - Orders in Council
2)2) Territorial watersTerritorial waters
3)3) Reported radar rangesReported radar ranges
4)4) Views (older editions only)Views (older editions only)

5.5. ADMIRALTY LIST OF LIGHTS AND FOGADMIRALTY LIST OF LIGHTS AND FOG
SIGNALS (NP 74 TO 84)SIGNALS (NP 74 TO 84)
a.a. Index chart showing limits of volumes (A to L)Index chart showing limits of volumes (A to L)
b.b. Introductory remarks on types of lights, fog signals etcIntroductory remarks on types of lights, fog signals etc
c.c. Range tablesRange tables
d.d. Details of all navigational lights (except buoys)Details of all navigational lights (except buoys)
6.6. ADMIRALTY LIST OF RADIO SIGNALS (VolsADMIRALTY LIST OF RADIO SIGNALS (Vols
1 - 8)1 - 8)
Volume 1:Volume 1: Coastal Radio StationsCoastal Radio Stations
Volume 2:Volume 2: Radio Navigation Aids (eg Loran C)Radio Navigation Aids (eg Loran C)
Volume 3:Volume 3: Radio Weather Services & Nav WarningsRadio Weather Services & Nav Warnings
Volume 4:Volume 4: Meteorological StationsMeteorological Stations

6. ALRS - (Vols 1 - 8)(Cont’d)
Volume 5: GMDSS
Volume 6: Pilot Services & Port Operations
Volume 7: Vessel Traffic Services (VTS) & Reporting Systems
Volume 8: Satellite Navigation Systems (eg GPS / GLONASS)

7.7. ADMIRALTY DISTANCE TABLES (3ADMIRALTY DISTANCE TABLES (3
Volumes) (NP 350)Volumes) (NP 350)
1)1) Shortest navigable distances for ships drawing up to 10mShortest navigable distances for ships drawing up to 10m
2)2) Link points between sections and volumes shown in red onLink points between sections and volumes shown in red on
chartletschartlets
N.B. Advisable to add 5% when passage planningN.B. Advisable to add 5% when passage planning
8.8. ADMIRALTY TIDE TABLES AND TIDALADMIRALTY TIDE TABLES AND TIDAL
STREAM TABLES (3 Volumes)STREAM TABLES (3 Volumes)
1)1) Worldwide coverageWorldwide coverage
2)2) Tidal levels at standard portsTidal levels at standard ports
3)3) Chart Datum's relative to ordnance datum'sChart Datum's relative to ordnance datum's
4)4) Notes in useNotes in use
5)5) Notes on storm surgesNotes on storm surges

9.9. TIDAL PREDICTION BY THE SIMPLIFIEDTIDAL PREDICTION BY THE SIMPLIFIED
HARMONIC METHOD (NP 159A)HARMONIC METHOD (NP 159A)
1)1) Computer program available on both 720k 3.5 inch andComputer program available on both 720k 3.5 inch and
360k 5.25 inch floppy disk360k 5.25 inch floppy disk
2)2) Intended as a useful supplement to all three volumes ofIntended as a useful supplement to all three volumes of
ATT and not as aATT and not as a replacementreplacement
3)3) Programme can be used to calculate predictions for anyProgramme can be used to calculate predictions for any
port for which harmonic constants are known and for any date -port for which harmonic constants are known and for any date -
past, present or futurepast, present or future
4)4) “Tidecalc” “Total Tide”“Tidecalc” “Total Tide” UKHO Products / Agency !UKHO Products / Agency !
10.10. ADMIRALTY TIDAL STREAM ATLASESADMIRALTY TIDAL STREAM ATLASES
1)1) Pocket editions for UK watersPocket editions for UK waters
2)2) Interpolation table for stream between neaps and springsInterpolation table for stream between neaps and springs

11.11. OCEAN PASSAGES FOR THE WORLD (NP 136)OCEAN PASSAGES FOR THE WORLD (NP 136)
1)1) Recommended routesRecommended routes
2)2) Distances between principal routesDistances between principal routes
3)3) Details of wind, weather, currents and ice hazardsDetails of wind, weather, currents and ice hazards
4)4) Diagrams showingDiagrams showing
a) Main ocean routes for power driven vesselsa) Main ocean routes for power driven vessels
b) World charts of climate and ocean currentsb) World charts of climate and ocean currents
12.12. THE MARINERS HANDBOOK (NP 100)THE MARINERS HANDBOOK (NP 100)
1)1) Complements Sailing DirectionsComplements Sailing Directions
2)2) General remarks on charts and publicationsGeneral remarks on charts and publications
3)3) Use of charts and navigational aidsUse of charts and navigational aids
4)4) Observing and reporting hazardsObserving and reporting hazards
5)5) Basic MeteorologyBasic Meteorology

NAVIGATION DATA BOOKNAVIGATION DATA BOOK
FRONTFRONT
1.1. List of Commanding Officers and Navigating OfficersList of Commanding Officers and Navigating Officers
2.2. Page for record of inspectionsPage for record of inspections
3.3. Page for recording despatch and receipt of Ship’s LogsPage for recording despatch and receipt of Ship’s Logs
SECTIONSSECTIONS
AA Dimensions and TonnageDimensions and Tonnage
BB Anchors and CablesAnchors and Cables
CC EnginesEngines
DD Revolution Tables and Full Power TrialsRevolution Tables and Full Power Trials
EE Fuel Oil Capacity and Consumption DataFuel Oil Capacity and Consumption Data
FF Turning TrialsTurning Trials
GG Ship handling CharacteristicsShip handling Characteristics
HH Berthing InformationBerthing Information
II ReplenishmentReplenishment
JJ Conning PositionsConning Positions

NAVIGATION DATA BOOKNAVIGATION DATA BOOK
SECTIONSSECTIONS
KK Navigational CommunicationsNavigational Communications
LL Steering and Stabilising EquipmentSteering and Stabilising Equipment
MM CompassesCompasses
NN Echo SounderEcho Sounder
OO Bottom LogBottom Log
PP Degaussing Equipment and RangingDegaussing Equipment and Ranging
QQ Navigation LightsNavigation Lights
RR Radio AidsRadio Aids
SS Special Sea Duty MenSpecial Sea Duty Men
TT Ship’s NarrativeShip’s Narrative
Note:Note: Specific details required are printed on eachSpecific details required are printed on each
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