BMC SERVICE WIDE EXAM WITH SOLUTIONS
2024 UPDATED GRADED A+S.
When should buoys be repainted or cleaned - SOL cuts over 6 inches
if more then 25% of area is obscured (growth)
Retro white numerals on buoys not to exceed.. - SOL not to exceed 16
inches
retro panel specs on buoys not to exceed... - SOL not to exceed 6 inch
width
what stripes does a safe water mark non radar have - SOL 6 alternating
red and white vertical stripes
what type of buoys are used for preferred channel buoys - SOL 1962 type
buoys
what type of buoys are used for intracoastal markings - SOL dual purpose
buoys
What type of letters do special aid marks use - SOL black letters not to
exceed 16 in
specs of CG mooring buoys - SOL white with a blue band. 3 sets of black
CG characters
Describe Western Rivers left descending marks - SOL red
no letters or numbers
describe info/regulatory mark - SOL white with orange retro bands
open diamond - SOL danger area
,cross centered diamond - SOL exclusion area
open circle - SOL controlled area
who requires an annual inspection of watched aids - SOL district
commander
tolerance for light - SOL +/- 6% or 3.6 seconds per min
what is a discrepancy buoy - SOL temp buoy that provides less signal than
authorized
how long can steel and plastic/foam buoys remain on station - SOL steel-
min 6 years
foam/plastic - as long as they can be maintained
servicing for light aids on fixtures - SOL routine services not to exceed 3
years
servicing on unlighted aids on fixed structures - SOL not to exceed 5 years.
Variation up to 3 months to coordinate servicing trips
how often should fixed aids with special equipment be visited - SOL semi
annually
how often should each waterway be visited - SOL annually - check aids
and run ranges
components on aids should be maintenance free for __________months -
SOL 36
how often should buoys be maintenanced - SOL every 3 years, inspected
annually
what are major aton structure - SOL one of a kind
minor aton range structure - SOL wood, concrete, steel
CG 3213 - SOL aids to navigation operation request
,justify and authorize changes
CG 3739 - SOL Waterways ATON project schedule
lists all waterway aids to navigation projects which are proposed for
accomplishments during the current and next 2 fiscal years
I-Atonis - SOL official system to store info relating to short range to
navigation
-All aton listed in Light list and/or aids that are charted shall be stored there
when is a probe light used instead of pml - SOL below 50 degrees
when is a strobe light used instead of pml - SOL below 50 degrees
earth circumference - SOL 21600 miles.
Divide by 360 for degree of arc
Rhumb line - SOL used on mercator chart allows for navigating with
straight lines(nautical charts)
gnomonic - SOL not normally used for navigation
they aid in long list nav by allowing you to use great circle courses
mean lower water - SOL tidal datum that is the average of all the lower
water heights over 19 years
depth charts - SOL use the average of the lower of two tides tides in tidal
cycle
chart order sizes - SOL sailing - 600,000
general-15000-600,000
coastal 50,000-150,000
harbor -larger then 50,000
small craft 40,000 and larger
chart order sizes - SOL sailing - 600,000
general-150,000-600,000
coastal 50,000-150,000
harbor -larger then 50,000
small craft 40,000 and larger
, 5 fathoms on lead line
15 fathoms on lead line - SOL 1 white rag
7 fathoms on lead line
17 fathoms on lead line - SOL 1 red rag usually wool
20 fathoms on lead line - SOL 2 knots
25 fathoms on lead line - SOL 1 knot
10 fathoms on lead line - SOL 1 strip of leather w a hole
how many volumes of light lists - SOL 7 volumes
1 starting at northeast and works way counterclockwise
7 is great lakes
tide tables - SOL give daily predictions of height of water
volume 2 east coast
volume 3 west coast
4 tables in all
Tidal currant tables - SOL provide the times of max flood and ebb currants
times of slack waters
vol1 atlantic
vol2 pacific
Coast pilot - SOL 9 volumes
start at northeast
go counterclockwise
Volume 6 great lakes
8 & 9 alaska
Coast pilot - SOL 9 volumes
start at northeast
go counterclockwise
Volume 6 great lakes
Volume 7 Pacific
8 and 9 Alaska
2024 UPDATED GRADED A+S.
When should buoys be repainted or cleaned - SOL cuts over 6 inches
if more then 25% of area is obscured (growth)
Retro white numerals on buoys not to exceed.. - SOL not to exceed 16
inches
retro panel specs on buoys not to exceed... - SOL not to exceed 6 inch
width
what stripes does a safe water mark non radar have - SOL 6 alternating
red and white vertical stripes
what type of buoys are used for preferred channel buoys - SOL 1962 type
buoys
what type of buoys are used for intracoastal markings - SOL dual purpose
buoys
What type of letters do special aid marks use - SOL black letters not to
exceed 16 in
specs of CG mooring buoys - SOL white with a blue band. 3 sets of black
CG characters
Describe Western Rivers left descending marks - SOL red
no letters or numbers
describe info/regulatory mark - SOL white with orange retro bands
open diamond - SOL danger area
,cross centered diamond - SOL exclusion area
open circle - SOL controlled area
who requires an annual inspection of watched aids - SOL district
commander
tolerance for light - SOL +/- 6% or 3.6 seconds per min
what is a discrepancy buoy - SOL temp buoy that provides less signal than
authorized
how long can steel and plastic/foam buoys remain on station - SOL steel-
min 6 years
foam/plastic - as long as they can be maintained
servicing for light aids on fixtures - SOL routine services not to exceed 3
years
servicing on unlighted aids on fixed structures - SOL not to exceed 5 years.
Variation up to 3 months to coordinate servicing trips
how often should fixed aids with special equipment be visited - SOL semi
annually
how often should each waterway be visited - SOL annually - check aids
and run ranges
components on aids should be maintenance free for __________months -
SOL 36
how often should buoys be maintenanced - SOL every 3 years, inspected
annually
what are major aton structure - SOL one of a kind
minor aton range structure - SOL wood, concrete, steel
CG 3213 - SOL aids to navigation operation request
,justify and authorize changes
CG 3739 - SOL Waterways ATON project schedule
lists all waterway aids to navigation projects which are proposed for
accomplishments during the current and next 2 fiscal years
I-Atonis - SOL official system to store info relating to short range to
navigation
-All aton listed in Light list and/or aids that are charted shall be stored there
when is a probe light used instead of pml - SOL below 50 degrees
when is a strobe light used instead of pml - SOL below 50 degrees
earth circumference - SOL 21600 miles.
Divide by 360 for degree of arc
Rhumb line - SOL used on mercator chart allows for navigating with
straight lines(nautical charts)
gnomonic - SOL not normally used for navigation
they aid in long list nav by allowing you to use great circle courses
mean lower water - SOL tidal datum that is the average of all the lower
water heights over 19 years
depth charts - SOL use the average of the lower of two tides tides in tidal
cycle
chart order sizes - SOL sailing - 600,000
general-15000-600,000
coastal 50,000-150,000
harbor -larger then 50,000
small craft 40,000 and larger
chart order sizes - SOL sailing - 600,000
general-150,000-600,000
coastal 50,000-150,000
harbor -larger then 50,000
small craft 40,000 and larger
, 5 fathoms on lead line
15 fathoms on lead line - SOL 1 white rag
7 fathoms on lead line
17 fathoms on lead line - SOL 1 red rag usually wool
20 fathoms on lead line - SOL 2 knots
25 fathoms on lead line - SOL 1 knot
10 fathoms on lead line - SOL 1 strip of leather w a hole
how many volumes of light lists - SOL 7 volumes
1 starting at northeast and works way counterclockwise
7 is great lakes
tide tables - SOL give daily predictions of height of water
volume 2 east coast
volume 3 west coast
4 tables in all
Tidal currant tables - SOL provide the times of max flood and ebb currants
times of slack waters
vol1 atlantic
vol2 pacific
Coast pilot - SOL 9 volumes
start at northeast
go counterclockwise
Volume 6 great lakes
8 & 9 alaska
Coast pilot - SOL 9 volumes
start at northeast
go counterclockwise
Volume 6 great lakes
Volume 7 Pacific
8 and 9 Alaska
