The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new transverse free surface correction (FSCT) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
Official USCG Answer & Rule Citation
Correct Answer: Option A — 0.46 foot
Discharging the contents of slack or partially filled ballast tanks eliminates their free surface effect. Recalculating total free surface moments by removing tanks 1P and 1S and dividing by the new displacement yields the updated FSCT of 0.46 foot.
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