Nautical Pubs/Aids to Navigation Flashcards
What are the two IALA regions?
A and B
Where is IALA A used?
Africa, Asia, Australia, Europe and India
Where is IALA B used?
Americas, Philippines, Japan and Korea.
What two systems make the IALA Buoyage system?
Lateral and Cardinal system
What are buoys fitted with that are actuated by wave motion?
Bells, whistles or gongs
Are buoys always precise?
No
Nominal range of a major light
10 NM
Nominal range of a minor light
Less than 10 NM
Sailing Directions Enroutes
By NGA, provides info on int’l ports for
wind
weather
tides
currents
ice
dangers
nav aid
Sailing Directions Planning Guide
By NGA, for planning extensive voyages
Coast Pilot
By NOAA, info about harbors and coastal areas of the U.S.
List of Lights
By NGA, summary of lights, buoys, sounds and beacons for Int’l waters
Light list
USCG, list of lights, sounds, buoys in U.S. waters
Fleet Guide
NGA, info for ports with major naval facilities
Pub. 117 Radio Nav Aids
By NGA, info on lists of worldwide radio stations that provide services to mariners
Nautical Almanac
Published by USNO and UKHO for info on celestial nav
Pub. 151
NGA, distances between major ports of junction around the worlds
Pub. 150
NGA, lists thousands of ports around the world
Pub 102
NGA, provides a list of signals employed by vessels for communication
Notice to mariners
NGA, updates to nautical charts and pubs
Local notice to mariners
USCG, local updates to nautical charts
Nav rules and regs
USCG, covers the inland and int’l rules for preventing collisions
Fixed Light
Continuously ON
Flashing Light
Time ON is less than time OFF
Occulting Light
Time ON is more than the time OFF
Isophase light
Time ON is equal to the time OFF
What colors are a safe water mark?
Red & White
How many shapes of buoys are there?
5
How many lights in a sector light?
3 or more
