
Technical Specifications
Overview
USCGC Storis (WAGB-21) is a United States Coast Guard medium icebreaker. She was originally built as the icebreaking anchor handling tug supply vessel (AHTS) Aiviq to support oil exploration and drilling in the Chukchi Sea off Alaska. The USCG acquired the vessel in December 2024 and she was commissioned in Juneau on 10 August 2025.
Composite Risk
Some elevated factors (typically age or a lower-graded flag), but no acute ship-specific flag.
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.
Fleet Management

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