一、值班驾驶员每班应测定罗经差一次，陆标可用串视标，导标等(天气原因不能测定，则注明原因)。
The D/O must determine the Megnetic/Gyro Compass Error on each shift. Landmark can be substitubed by Transits marks or Leading Marks ( If the compass error can’t be recorded dur to the weather, Disposal reason Must be recorded.)
二、本记录簿用完后由二副保存三年。
The record book must kept by 2nd Officer for 3 Years after used off.
