Seafarer's Question Answers

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Volume of tank = 5040 m3 3 % of Volume = 151.2 m3 1)Observed Volume of cargo( @ 23 deg Cel ) = (5040 - (5040/100)*3) =4888.8 m3 2)Standard Volume ( @ 15 Deg Cel ) = 4888.8 x 0.9929 = 4854.0894 m3 3)Standard weight ( @ 15 Deg Cel in Vaccum) = 4854.0894 x0.81 =3931.8125 Tonnes ( in Vaccum) 4)Standard weight ( @ 15 Deg Cel in Air) =4854.0894 x0.8089= 3926.47291 Tonnes( in Air) REVERSE CALCULATI...

Trim and Stability booklet. You will find the Longitudinal area and not the transverse area however. Bare in mind that the generated figure tends to be based on a simple computer model and does not account for the appendages.  A practical way to get the areas is a simply by using pdf or a 3d model where you retrace area needed. This tends to be the most accurate way....

In RV condition Keeping Sight of the Person Overboard is very difficult. Activating MOB Mode in Mordern ECDIS will help to pin point the Inital Lat and Long But this will not take account of drifting away of person due current or wind. so we need some thing  which will transmit the real time position of person overboard. Simple and Effective way is Activate SART located on bridge and thro...

Normally for transporting IMDG cargos, ships must have Document of Complaince which will be issued by Flag State. https://navsregs.wordpress.com/2017/01/24/document-of-compliance-for-ships-carrying-dangerous-goods/ But for Class  6 and 7 dont need DOC. Since IMDG class 6.2 is Infectious subtance you must refer the Guidance on regulations for the transport of infectious substances 2017&nda...

Possible Situation 1 - Own vessel Stopped and Drifting Actions : a) Check If ROC exists, if No Monitor Untill NUC passed clear of your vessel.              b) If ROC exists Keep out of the way of NUC vessel using engine ( Rule 18 a) Possible Situation 2 - NUC is Overtaking you. Action: a) Monitor CPA,      &...

"Maintain a proper record " words often read and heard from all the shipping related procedure and personnel and PSC, Auditors. Maintaining a record is not a problem, what ever you observe make a record of its time to time truthfully ( don't manipulate records and fill it). These records will help you save your life in very difficult and dangerous situations. lets discuss a few of...

Answer: Because the scavenging/charging air system of the 2-stroke engine and 4-stroke engine are different. A 2-stroke engine has scavenging ports in which the scavenging air passes to it when the piston reaches the bottom dead center. This air will also expel exhaust gas in the combustion chamber through its "Exhaust valve" (the one valve you said). A 4-stroke engine has 4 valve...

Solving the ROR situations given in the Videotel requires a bit of analytic skills. Let us solve few of these situations with few examples. Here is one of the example how the Radar screen will be given in the question. The question will be: What will be the closest point of approach of taregt A? A. Between 3 to 4 Miles B. Between 4 to 5 miles C. Less than 0.9 mile D. Between 1 to 2 m...