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Navigation
NAU 102
Lesson 7
Introduction
Nautical Publications•Charts are not enough! We need more information.
•Voyage planning.
•Often paper & electronic versions.
•Reference while conducting a voyage.
•Publications provide textual information for:
Light List
Lists information on US lights & nav. aids
Published annually by Coast Guard
7 volumes, by location
Light Lists
Light Lists
•Detailed information on:•Lights
•Buoys
•Daybeacons
•Ranges
•Fog Signals
•Radiobeacons
•Radar beacons
Light Lists
Supplement chart
•More information
•More detail
•E.g. Includes building structure.
Light Lists
360
Chesapeake Light
36 54 17N75 42 46W
Fl (2) W 15s 0.1s fl 2.9 sec 0.1s fl 11.9 sec
117
19
Blue tower on white square superstructure on four black piles, CHESAPEAKE on sides.
Emergency light of lower intensity will be displayed when main light is inoperative. RACON: N (- •).HORN: 1 blast ev 30s (3s bl). Operates continuously.
Light Lists
CHANGE IN FORMAT
• Current USCG Light Lists show the Position (column 3) in degrees-minutes-seconds (to 3 decimal places) for much greater precision
• The Light List Reprints use the old Position (column 3) format of degrees-minutes (to 1 decimal place) where positional error could be up to approximately 300+ feet
EXAMPLE
• Chesapeake Light• Reprint LL shows LL No. 355 (Column 1): LAT 36º 54.3´ N LONG 75º 42.8´ W• Current LL shows LL No. 360 (Column 1):
LAT 36º- 54´-16.696´´ N LONG 075º- 42´- 45.818´´ W
Note that the Light List Number has changed even though it is the same Aid to Navigation
List of Lights
•Lists information on foreign lights & nav. Aids.
•Published annually by NGA
•7 volumes, by location
List of Lights
List of Lights
•Similar information to Light Lists for:
•Lights •Fog Signals
•Used mainly for approaching foreign coasts.
•Major lighted navigation aids within harbors are included.
List of Lights(1)No.
(2)Name and Location
(3)Position
(4)Characteristic
(5)Height
(6)Range
(7)Structure
(8)Remarks
Ireland-East Coast DUBLIN BAY:
6592A 5865
Kish Bank 53 18.7 N5 55.4 W
Fl.(2)W.period 20s
9429
22 White round concrete tower, red band.Helicopter platform.
Horn: 2 bl. ev. 30sRACON
U.S. Coast Pilots
•Hazards
•Supplement information on charts
•Coastal and harbor information for US waters, such as:
•Local regulations
•Restricted areas
•Pilot services
•Port facilities
U.S. Coast Pilots
•Vessel traffic services
Coastal and harbor information for US waters, such as:
•Radio frequencies
•Weather patterns
•Much more
US Coast Pilot
•Published by NOAA
•Printed annually(Vol. 8 & 9 bi-annually)
•9 volumes, by location
http://chartmaker.ncd.noaa.gov/nsd/coastpilot.htm
U.S. Coast Pilots
U.S. Coast Pilots
U.S. Coast Pilots
U.S. Coast Pilots
Sailing Directions
Similar to Coast Pilots but for foreign coasts & waters.
Published by NGA.
•5 volumes of Planning Guides
•37 volumes of Enroute
Sailing Directions
Sailing Directions
Planning Guides
•Adjacent countries•Government type
•Each volume covers an ocean basin
•Currency
•Holidays, etc.•Time Zones
Sailing Directions
Planning Guides
•Used for planning ocean voyages.
•Recommended shipping routes
•Weather patterns
Sailing Directions
Sailing Directions
Enroute•Detailed coastal and port information
•“Small Picture”
•Hazards
•Anchorages
•Local information
Sailing Directions
World Port Index
Published by NGA
Supplement to Sailing Directions
Lists information about nearly every port in the world.
World Port Index
World Port Index
Distances Between Ports
Can calculate distances between
any 2 ports.
Published by NGA
E.g. How far is it between Oakland and
Perth, Australia?
Distances Between Ports
Distances Between Ports
Distances Between Ports
3 + 12 + 6249 + 2531 = 8795 nm
How far is it between Oakland and Perth, Australia?
Distances Between US Ports
Published by NOS
Table of Distances Between US Ports
10,000 US ports
Distances Between US Ports
Distances Between US Ports
The Nautical Almanac
The Nautical Almanac
• Produced annually by the US Naval Observatory – US Nautical Almanac Office in collaboration with Her Majesty’s Nautical Almanac Office (UK)
• Used for marine celestial navigation• Contains astronomical data
The Nautical Almanac
• Data is in a tabular format• Greenwich Hour Angles and Declination of
the Sun, Moon, & navigational planets• Rise and Set times of the Sun and Moon for a
range of latitudes• Time of Twilight• Time of Meridian Passage
Introduction to Navigation
Questions?