US Coast Pilot #8 (12/2024) Flashcards
Bearings and courses in USCP are True and clockwise from 000° to 359° and are given as viewed from the ___________.
the VESSEL
Vertical clearances of Bridges and overhead cables are in feet above ________ water
MEAN HIGH Water
Drawbridge clearances are in _________ position
the CLOSED position
Vertical Lift clearances are in ________ position
the OPEN position
Depths alongside wharves are usually being reported by ____________ (not government agencies)
reported by FACILITIES
UKC – Ships whose transducers are more than _____ feet apart should construct a table of true and recorded depths using transverse tables
6 feet
UKC- Settlement is appreciable when the depth is less than _______ times the draft of the ship
7 times
Geographic coordinates are listed in North American Datum of _____ (______ ____)
Datum of 1983 (NAD 83)
TRUE or FALSE - Light and Sound Signal Characteristics are NOT described in the USCP
TRUE
TRUE or FALSE - Obstructions are ONLY described if they are relatively permanent and in or near normal traffic routes
TRUE
Electronic Navigational Charts (ENC’s) MUST comply with International Hydrographic Organization (IHO) as stated in ____________ _______
publication S-57
Mariners should always obtain the _________ scale coverage for ___________ navigation
LARGEST, INSHORE
_______ ________ are generally shown on charts with scales of 1:80,000 or larger
GRAPHIC SCALES
Sailing Chart scales are 1:___________ and smaller are for use in fixing the mariners position approaching the open ocean
1:600,000 and smaller
General Chart scales 1:______________ to 1:600,000 are for Coastwise
1:150:000 to 1:600,000
Coast Chart scales 1:_____________ to 1:150,000 are for inshore navigation
1:50,000 to 1:150,000
Harbor Chart scales larger than 1:__________ are for harbors, anchorages, and small waterways
Larger than 1:50,000
Charts reference North American Datum (______ ______). World Geodetic System (_____ _____) is equivalent to the NAD 83
charts reference NAD 83. WGS 84 is considered to be the same as NAD 83
TRUE or FALSE - Horizontal Datum, horizontal geodetic datum, horizontal control datum are NOT used synonymously
FALSE they are synonymous
TRUE or FALSE - Information charted as “reported” should be treated with caution and may not be verified by government agencies
TRUE
What are the 2 types of diagrams on NOAA paper and raster charts 1:500,000 scale and larger ?
Zone of Confidence (designated CATZOC) [deals with 6 categories, quality of the hydrographic data] and Source Diagrams [deals with surveys of depths, to be replaced fully by CATZOC]
Blue tint is shown in water areas to accentuate? shoals and other areas considered to be dangerous
shoals and other areas considered to be dangerous
Vertical Clearances of overhead cables are charted in ________ text of lowest wires at ________ ________ ______
BLACK Text, Mean High Water
TRUE or FALSE - When provided, MAGENTA text indicate the highest point a ship can pass under an overhead power able without risk of electrical discharge from cable to ship without making contact with bridge
TRUE
Fish havens are tinted BLUE if they have a minimum authorized depth of _____ fathoms. If the depth is unknown and are in depths of greater than _______ fathoms, they should be considered dangerous.
11 fathoms
Magnetic disturbances are more frequently detected in what waters?
shallow waters near land masses than on the deep sea
Most Echo Sounders are calibrated for a velocity of sound in water of 800 fathoms per second, actual velocity may differ up to 5% depending on temperature and salinity. Where are the highest and Lowest velocities found?
Highest velocities are found in warm, highly saline water and the lowest in icy freshwater.
Echo sounder errors from schools of fish, seaweed etc… What is the most common error?
most common error is where the depth is greater than the scale range of the instrument.
Local Notice to Mariners are usually published by the _________? How often?
the USCG weekly
US Notice to Mariners are published weekly by the ________ ________ _______ ________, prepared jointly with NOAA and USCG. Specifically for ocean going vessels operating in foreign and domestic waters.
National Geospatial-Intelligence Agency
Broadcast Notice to mariners are made by the USCG to report deficiencies and important changes to Aids to Navigation. Broadcasted on which 2 VHF channels?
VHF 22A, following a preliminary call on VHF 16.
TRUE or FALSE - Special Notice to Mariners is an Annual publication provides information that is published in LNM or charts.
FALSE - It is NOT published in LNM or charts.
TRUE or FALSE - All US waters fall under the IALA Region B System, except for us possessions West of the International Date Line, which are A
TRUE
________ ________ is the maximum a light can be seen in clear weather (10 mile viz) and is listed for all lights EXCEPT range, directional and private lights. Does no take account elevation, height of eye, or curvature of the earth.
NOMINAL RANGE
___________ __________ is the greatest distance a light can be seen given its nominal range and meteorological viz. Does no take account elevation, height of eye, or curvature of the earth.
LUMINOUS RANGE
_______ ________ is the greatest distance the curvature of the earth permits an object of a given height to be seen from a particular height of eye WITHOUT regard to luminous intensity or visibility.
GEOGRAPHIC RANGE
Articulated Light is a vertical pipe structure supported by a submerged buoyancy chamber and attached to seafloor. It has a much __________ watch circle than a traditional buoy because chamber forces the pipe vertically when it heels over. Where is it generally used?
SMALLER, Generally used in narrow channels for greater precision
_________ _________ are unlighted aids affixed to stationary structures, use several standard shapes and colors which have navigational significance.
DAY BEACONS
AIS ___________ aid to navigation is a digital information object promulgated by an authorized service provider. It has a _________ (what color) circle surrounding the symbol and labeled V-AIS
VIRTUAL, MAGENTA
AIS____________ aid to navigation has a magenta circle surrounding the symbol and labeled AIS
PHYSICAL
TRUE or FALSE - Each Channel Span of a fixed bridge has 2 green lights marking the center of channel and a red light marking both edges EXCEPT when the margins of the channel are confined by bridge piers, the red lights on the span are omitted, since the pier lights mark the edges of the channel
TRUE
____________ - defined by a constellation of satellites, operated by the Department of Defense
GPS
_____________ - worldwide voluntary ship reporting system operated by the USCG. Promotes safety and life at sea by providing Search and Rescue information to authorities.
AMVER
______________ - international satellite system providing distresses alert and location to assist Search and Rescue
COSPAS-SARSAT
____________ - US short range radio navigational warnings are broadcast by USCG. Method of broadcasting NTM and marine WX forecast. Includes waters from the line of demarcation to 200nm offshore. Specifically for vessels 15 feet or more.
NAVTEX
_____________ - system of navigational warning areas has been developed providing worldwide coverage using standard format and procedures.
NAVAREA
DESTRUCTIVE WAVE - A tsunami can exceed 500 knots in deep ocean but slows to _____ or ______ in shallow water near land
20 or 30 knots i
DESTRUCTIVE WAVE - A Bore is a wall of turbulent water that can exceed several yards and can rush on shore with destructive power. Behind a bore is a deep and fast moving flood. Minutes later, the water will drain away as the trough of _______ ________ arrives.
trough of TSUNAMI WAVE arrives.
Who overseas the Tsunami program?
NOAA
DESTRUCTIVE WAVE -__________ is a stationary vertical wave oscillation with a period of minutes to an hour. Associated with strong winds, Barometers pressure, swells, tsunami, storm surge. Pilots advise taut lines to avoid the effects of surge
SEICHE
TRUE or FALSE Human skin temperature is 91.4
TRUE
When skin temperature drops below _____ there is a marked constriction of blood vessels leading to vascular stagnation, oxygen want and cellular damage
50 Farenhight
Frostbite occurs when skin temperature falls within the range of ______ to ______ Degrees
14° to 4°
MARINE POLUTION – inside NDZ waters, discharge of sewage whether treated or not is prohibited. Discharge of sewage outside of NDZ waters is regulated by Marine Sanitation Device Standard. What does NDZ stand for?
NO DISCHARGE ZONE
Any person in charge of a vessel or facility MUST as soon as they have knowledge of any discharge of oil or hazardous waste must immediately notify the __________ ___________ _________
NATIONAL RESPONSE CENTER (NRC)
REGULATED WATERS - Traffic separation routes have been adopted by?
by the IMO
REGULATED WATERS - TRUE or FALSE IMO approved routing measures in Prince Williams Sound
TRUE
REGULATED WATERS - The United States has _______ sovereignty over its internal waters and ports as if they were part of its land territory
FULL or COMPLETE
REGULATED WATERS - The United States has full sovereignty over the territorial sea that extends to the airspace over the area and to the bed and subsoil. It extends 12nm from the territorial sea baseline
TERRITORIAL SEA