Heeltrace: Vessel Stability
Robert Corbin · Navigation
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Chart standing · US
What changed · US
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Price & rating history · US
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Price · 3.99 USD now · 3 changes on record
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About
Heeltrace: Vessel Stability is a focused, fully on-device app. An offline small-vessel hydrostatics and loading workbench for displacement, trim, heel, free-surface effects, righting-arm curves, and load cases. KEY FEATURES - Editable vessel hydrostatic stations - Load-case and tank ledger - Corrected GM and heel estimate - Trim and draft-change screening - Righting-arm scenario plot - Editable complete sample and local project persistence - CSV input plus local PDF and data export - Fifty-two original offline reference plates ONE-TIME AND PRIVATE - One paid download; no subscription or in-app purchase - No account, advertising, analytics, tracking, or developer-operated backend - Core features and bundled content work offline - Work remains on device unless you deliberately share or export it through an Apple system interface Educational and preliminary planning aid. Use approved stability information and a qualified naval architect for operation or certification.
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