BDOC NSS EXAM 2024/2025 |
GUARANTEED PASS
MOB Immediate Actions - ACCURATE ANSWERS✔✔ -Execute
rudder and engine orders
-1MC
-Flag Oscar
-Locate true winds and best course (Wind-Ship-Man)
-Determine recovery method
-Notify ships in vicinity via VHF
MOB Recovery Resources - ACCURATE ANSWERS✔✔ -Small boat:
when ship is close to man but not exactly alongside
-J-Bar davit: lower a SAR swimmer to retrieve MOB
-Helicopters: SAR swimmer onboard (fastest rescue)
MOB Maneuvers - ACCURATE ANSWERS✔✔ 1- Anderson
2- Williamson
3- Race Track Turn
4- Y-Backing
Anderson Turn - ACCURATE ANSWERS✔✔ -Full rudder and engines
ahead flank/full
-Quick recovery and simplest to execute
,Williamson Turn - ACCURATE ANSWERS✔✔ -Full rudder in
direction of casualty and engines ahead full/flank, THEN after deviation
of orginal course by 60 degrees=hard rudder opposite side
-better for weather and reduced vis.
-SLOWER
Race Track Turn - ACCURATE ANSWERS✔✔ -Full rudder and
engines, THEN when ship's heading is 15-20 degrees short of reciprocal
course=rudder amidships, THEN once stern passes MOB=rudder order
to begin second turn to get back on original course
Y-Backing Turn - ACCURATE ANSWERS✔✔ -Full rudder towards
and all engines BACK full/flank, THEN once losing headway=shift your
rudder
Fixed Lights - ACCURATE ANSWERS✔✔ vary from tall, high
intensity coastal lights to battery-powered lanterns on single wooden
piles
Major Lights - ACCURATE ANSWERS✔✔ -A high intensity and
reliable light exhibited from a fixed structure or marine site
Minor Lights - ACCURATE ANSWERS✔✔ -Usually displays a light of
low to moderate intensity
-Established in harbors, along channels, rivers, and isolated locations
,Directional Sector Lights - ACCURATE ANSWERS✔✔ White in the
channel and depending on IALA B or A--> red/right green/left or
green/right red/left
Sector Lights - ACCURATE ANSWERS✔✔ -Green: turning points/
best water
-White: good water
-Red: Danger areas
Buoys - ACCURATE ANSWERS✔✔ -Mark Channels, indicate shoals
and obstructions, and warn the mariner of dangers
-may be lighted
-may have sound
-require mooring to hold in position
Buoy Types - ACCURATE ANSWERS✔✔ 1- Lateral Marks
2- Isolated Danger Marks
3- Safe Water Marks
4- Special Marks
5- Information/ Regulatory Marks
Lateral Mark Buoys - ACCURATE ANSWERS✔✔ Defines borders of
channels and directions
, -IALA B vs IALA A
Isolated Danger Mark Buoys - ACCURATE ANSWERS✔✔ Marks
isolated dangers/obstructions
-Color=black with red band(s)
-Shape=Pillar or Spar
-Topmark=Two vertical black spheres
-Light= Two white flashes
Safe Water Mark Buoys - ACCURATE ANSWERS✔✔ Marks the
centerline of the channel or landfall
-Color= red and white vertical stripes
-Shape=spherical, Pillar, or spar
-Topmark=single red sphere
-Light=White (sometimes morse code "A"
Special Mark Buoys - ACCURATE ANSWERS✔✔ Indicates a special
area or feature
-Color=yellow
-Shape=optional
-Topmark=single yellow "X" shape
-Light= yellow
GUARANTEED PASS
MOB Immediate Actions - ACCURATE ANSWERS✔✔ -Execute
rudder and engine orders
-1MC
-Flag Oscar
-Locate true winds and best course (Wind-Ship-Man)
-Determine recovery method
-Notify ships in vicinity via VHF
MOB Recovery Resources - ACCURATE ANSWERS✔✔ -Small boat:
when ship is close to man but not exactly alongside
-J-Bar davit: lower a SAR swimmer to retrieve MOB
-Helicopters: SAR swimmer onboard (fastest rescue)
MOB Maneuvers - ACCURATE ANSWERS✔✔ 1- Anderson
2- Williamson
3- Race Track Turn
4- Y-Backing
Anderson Turn - ACCURATE ANSWERS✔✔ -Full rudder and engines
ahead flank/full
-Quick recovery and simplest to execute
,Williamson Turn - ACCURATE ANSWERS✔✔ -Full rudder in
direction of casualty and engines ahead full/flank, THEN after deviation
of orginal course by 60 degrees=hard rudder opposite side
-better for weather and reduced vis.
-SLOWER
Race Track Turn - ACCURATE ANSWERS✔✔ -Full rudder and
engines, THEN when ship's heading is 15-20 degrees short of reciprocal
course=rudder amidships, THEN once stern passes MOB=rudder order
to begin second turn to get back on original course
Y-Backing Turn - ACCURATE ANSWERS✔✔ -Full rudder towards
and all engines BACK full/flank, THEN once losing headway=shift your
rudder
Fixed Lights - ACCURATE ANSWERS✔✔ vary from tall, high
intensity coastal lights to battery-powered lanterns on single wooden
piles
Major Lights - ACCURATE ANSWERS✔✔ -A high intensity and
reliable light exhibited from a fixed structure or marine site
Minor Lights - ACCURATE ANSWERS✔✔ -Usually displays a light of
low to moderate intensity
-Established in harbors, along channels, rivers, and isolated locations
,Directional Sector Lights - ACCURATE ANSWERS✔✔ White in the
channel and depending on IALA B or A--> red/right green/left or
green/right red/left
Sector Lights - ACCURATE ANSWERS✔✔ -Green: turning points/
best water
-White: good water
-Red: Danger areas
Buoys - ACCURATE ANSWERS✔✔ -Mark Channels, indicate shoals
and obstructions, and warn the mariner of dangers
-may be lighted
-may have sound
-require mooring to hold in position
Buoy Types - ACCURATE ANSWERS✔✔ 1- Lateral Marks
2- Isolated Danger Marks
3- Safe Water Marks
4- Special Marks
5- Information/ Regulatory Marks
Lateral Mark Buoys - ACCURATE ANSWERS✔✔ Defines borders of
channels and directions
, -IALA B vs IALA A
Isolated Danger Mark Buoys - ACCURATE ANSWERS✔✔ Marks
isolated dangers/obstructions
-Color=black with red band(s)
-Shape=Pillar or Spar
-Topmark=Two vertical black spheres
-Light= Two white flashes
Safe Water Mark Buoys - ACCURATE ANSWERS✔✔ Marks the
centerline of the channel or landfall
-Color= red and white vertical stripes
-Shape=spherical, Pillar, or spar
-Topmark=single red sphere
-Light=White (sometimes morse code "A"
Special Mark Buoys - ACCURATE ANSWERS✔✔ Indicates a special
area or feature
-Color=yellow
-Shape=optional
-Topmark=single yellow "X" shape
-Light= yellow
