BDOC NSS Exam (2) Questions and Correct Answers/ Latest Update / Already Graded

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BDOC NSS Exam (2) Questions and
Correct Answers/ Latest Update /
Already Graded
MOB Immediate Actions


Ans: -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


Ans: -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)

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MOB Maneuvers


Ans: 1- Anderson


2- Williamson


3- Race Track Turn


4- Y-Backing




Anderson Turn


Ans: -Full rudder and engines ahead flank/full


-Quick recovery and simplest to execute




Williamson Turn

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Ans: -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


Ans: -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


Ans: -Full rudder towards and all engines BACK full/flank, THEN once losing

headway=shift your rudder




Fixed Lights

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Ans: vary from tall, high intensity coastal lights to battery-powered

lanterns on single wooden piles




Major Lights


Ans: -A high intensity and reliable light exhibited from a fixed structure or

marine site




Minor Lights


Ans: -Usually displays a light of low to moderate intensity


-Established in harbors, along channels, rivers, and isolated locations




Directional Sector Lights


Ans: White in the channel and depending on IALA B or A--> red/right

green/left or green/right red/left




Sector Lights