
Technical Specifications
Overview
HSC High Speed Jet is a 74 m (243 ft) ocean-going catamaran built in 1990 by Incat for Hoverspeed and currently owned by Seajets. In 1990, as Hoverspeed Great Britain, she took the Hales Trophy for the fastest eastbound transatlantic journey, making the run, without passengers, in three days, seven hours and fifty-four minutes, averaging 36.6 knots (67.8 km/h; 42.1 mph).
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.

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