WACE Marine Maritime Studies ATAR case studies
WACE Marine Maritime Studies ATAR · Put your knowledge to work in context.
The Marine and Maritime Studies ATAR is a Western Australian senior secondary course examined externally by the School Curriculum and Standards Authority (SCSA), typically taken by Year 12 students who intend to pursue maritime careers, tertiary study in marine science or engineering, or simply want a rigorous practical and academic grounding in working on and around the water. It suits students who enjoy hands-on seamanship as well as applied science, because the course blends physical concepts with operational judgement. The WACE Marine Maritime Studies ATAR case studies are 5 cases and about 3,189 words.
1Fuel Range and Reserve on a Windy Coastal Passage
A 12.5 m displacement launch displaces 14 tonnes and is powered by a single 250 hp diesel inboard turning a fixed propeller. On a calm-water trial at 1800 rpm the vessel made 8.2 knots burning 26 L/h; at 2200 rpm it made 10.1 knots burning 44 L/h.
645 words, about 3 min2Stability After a Deck Load Is Added
A 9 m fibreglass commercial fishing vessel has a lightship displacement of 6.0 tonnes with KG 1.35 m. Its loaded operating condition is 8.5 tonnes with KG 1.55 m and a maximum permissible KG (from the stability booklet) of 1.70 m for that displacement.
598 words, about 3 min3Collision Risk in a Narrow Tidal Channel
A 22 m workboat is proceeding up a dredged channel 90 m wide at 8 knots with a 2-knot foul tide, giving 6 knots over the ground. Visibility is 1.5 nm in drizzle.
655 words, about 3 min4Battery Bank and Load Budget on a Survey Launch
A 10 m survey launch has a 12 V house bank of two 110 Ah AGM batteries in parallel, rated for 500 cycles to 50% depth of discharge. Daily loads are: chartplotter and sounder 4 A for 8 h; LED deck and cabin lights 3 A for 5 h; a fridge drawing 5 A for 10 h duty-cycled at 40%; and a laptop charger 6 A for 3 h.
622 words, about 3 min5Cold-Water Abandonment Decision
A 14 m charter fishing vessel is taking water aft after striking a submerged object 6 nm off a exposed coast. The pump is losing ground; the skipper estimates 20–30 minutes before freeboard is lost.
669 words, about 3 min