
Technical Specifications
Overview
The SS William G. Mather was a 533-foot (162 m) long Great Lakes freighter that was built in 1905, by the Great Lakes Engineering Works (GLEW) of Ecorse, Michigan, for the Grand Island Steamship Company (managed by Cleveland-Cliffs Iron Company). Her keel was laid on May 18, 1905. She was launched on September 23, 1905, as hull #9. The ship was named after William G. Mather, the Cleveland-Cliffs executive. She was powered by a 2,000-horsepower (1,500 kW) triple expansion steam engine which was attached to a single fixed-pitch propeller. She was fueled by two coal-fired Scotch marine boilers. She entered service in January 1905, and was the first Great Lakes freighter with a 60-foot (18 m) beam.
Composite Risk
Multiple adverse factors, or a hard ship-specific signal, lift this hull above the fleet norm.
A coverage-weighted blend of the single component we could read for this hull; the weights renormalise over only the components present, so a thin read is never inflated and a hull is never credited a “safe 0” for a signal it has no row for. This headline is flagged low-confidence (a thin or structural-only read) and should not be treated as a verdict. Higher means riskier. Derived in-house from government-open port-State-control, flag, sanctions and our own vessel data; weight it by the coverage above.
Commercial
Price it in the Route Planner between any two commercial ports: ballast and laden legs, two fuels at live bunker prices, port and canal costs, the weather on the way, and the TCE set against the market.

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