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- Master & Chief Mate (Oceans or Near Coastal (Unlimited Tonnage)) »
- Q104 - Deck Safety: Stability Problems
138. The SS AMERICAN MARINER arrived in port with drafts of: FWD 21'-10.6″, AFT 22'-11.6″. Cargo was loaded and discharged as indicated in table ST-0089 below. Use sheet 2 in the white pages of The Stability Data Reference Book to determine the final drafts.
Discharge 280 tons--200 ft fwd of amidships
Load 150 tons--150 ft fwd of amidships
Load 150 tons--100 ft fwd of amidships
Discharge 90 tons--247 ft aft of amidships
The SS AMERICAN MARINER arrived with initial drafts of FWD 21'-10.6″ and AFT 22'-11.6″. Cargo operations resulted in a net discharge of 70 tons and a forward trimming moment of +3,730 ton-ft. Using hydrostatic data, the mean draft decreased by approximately 1.1 inches, and the trim shifted 1.0 inch by the bow. This resulted in final drafts of FWD 21'-10.0″ and AFT 22'-10.0″.
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