1 | Page
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)
,2 | Page
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
,3 | Page
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
, 4 | Page
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
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)
,2 | Page
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
,3 | Page
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
, 4 | Page
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
