Tide Calculation for Secondary Port Patrick A vessel of 8.00 m mean draft wanted to pass over a shoal of 8.3 m with 0.5 m safety margin in AM tide on 2nd February 1991 on the approach to port Patrick. What is the earliest time at which she could do that? (ATT 415) Required depth … Read moreTide Calculation for Secondary Port Patrick
Final KG (Derrett Stability) A ship of 3500 tonnes light displacement and light KG 6.4 m has to load 9600 tonnes of cargo. The KG of the lower hold is 4.5 m, and that of the tween deck is 9 m. The load KM is 6.2 m and, when loading is completed, the righting moment … Read moreFinal KG (Derrett Stability)
Interpolation of Times and Height (Secondary Port Tide) Interpolation Methods for Tidal Times Interpolation Methods for Tidal Height
Calculated Tide of a Secondary Port (Overhead Power Cable) Charted clearance of an overhead power cable is 62.3 meters above MHWS at Bournemouth (ATT Vol. 1, 37) What will be the clearance of the ship’s mast while passing the cable at 0930 hrs GMT on 20th Nov? Assuming the mast height was 57.8 meters from … Read moreCalculated Tide of a Secondary Port (Overhead Power Cable)
Group weights, water draft, air draft and density (Derrett Stability) A ship’s draft is 6.40 meters forward and 6.60 meters aft. FWA = 180 mm. The density of the dock water is 1010 kg per cum. If the load mean draft in salt water is 6.7 meters, find the final drafts F and A in … Read moreDraft Density TPC FWA (Derrett Stability)