Man Over Board Maneuvers Flashcards
What are the three main man overboard maneuvers
- Williamson turn
2.Anderson turn
3.Sharnov Turn
Describe how to execute the Williamson turn.
- wheel hard over towards MOB.
- When ship’s heading has changed by 60° put wheel hard over opposite way.
- When 20° short of reciprocal track midship the wheel and steady up on new course.
In what conditions would the Williamson turn be executed in
This method is good in restricted visibility
when the location of the casualty is known as in you have seen them fall in
Describe how to execute the Scharnov turn.
1.wheel hard over in the direction of the casualty
- when the ships heading has changed by 240° from the original course, put wheel hard over the opposite way.
- When 20° short of reciprocal track midship the wheel and steady up on new course.
In what conditions would the Sharnov turn be executed in
Can be carried out effectively when the time elapsed between occurrence of incident is uknown/ the location of the casualty is unknown
as it just veers you to backtrack your initial course
what are the MOB procedures
- Sound the alarm
- Deploy life bouy, flares and other life saving aids used to confirm casualty position
- Mark MOB on ecdis
- Assign forward and aft and bridge lookouts
- switch to hand steering
- Manouver stern away from the casualty
- If master has not come to the bridge yet Inform Master
- Perform manouver to retrieve them
What are the advantages of the williamson turn over the sharnov turn
*more effective at night time or conditions of restricted visibility
*should bring you directly along side casualty
What are the disadvantages of the williamson turn over the sharnov turn
*takes longer
*wobbly bit of manouver is done facing away from casualty meaning you risk losing sight of them
what are the advantages of the sharnov turn over the williamson turn
*quicker to execute
*wobble bit of the manouver is done facing the casualty therefore easier to see back down the track and spot them
Disadvantages of sharnow turn over williamson
location and time of the incident is unknown therefore minimal chances of recovery.
