interstatesailing.com

What It Is

Interstate Sailing Incorporated is the southeastern U.S. distributor for Expedition tactical sailing and navigation software. Strictly speaking, it is not a developer tool in the general sense, but a sales and service site for professional marine software aimed at sailboat racing, performance cruising, and general navigation. The core product featured on the page, Expedition, has been developed by professional navigator Nick White since the mid-1990s. It uses instrument data, polar/VPP data, GRIB files, and charts to support advanced race navigation and passage planning.

Core Capabilities and Ecosystem

Functionally, Expedition is geared toward highly specialized navigation analysis. Its starting-line module can show the favored end, time to the line, and burn time. Route management can calculate time, distance, and bearing to each mark, as well as true/apparent wind angles for each leg and layline timing. Performance analysis supports comparisons between boat speed and polar/target speeds and angles, sail selection, and Strip chart viewing for real-time monitoring or post-race review. For cruising scenarios, it emphasizes GRIB wind and current viewing, Raster/Vector chart interfaces, optimized routing to save time and avoid severe weather, plus AIS tables and chart overlays.

Pricing and Support

The website does not publish pricing, license types, or payment methods; it only asks users to contact them for a quote. Interstate Sailing’s differentiation lies in its service offering: after purchasing the software, users can benefit from its years of Expedition experience, including instrument systems and computer interfaces, calibration, repeating Expedition data to tablets and phones, online or in-person tutorials, and custom Cheat Sheets. The site also mentions familiarity with Race Replay, which can be used to improve performance analysis.

Pros and Cons

The strengths are clear domain expertise: the operator has backgrounds in sailing, sales, skippering, tactics/navigation, and racing, making it suitable for marine users who need hands-on configuration and training. The feature set covers pre-race, in-race, post-race, and cruising-planning workflows, with a strong professional focus. The downside is the limited public information: there are no details on pricing, payment, API/SDK availability, open-source/closed-source status, self-hosting, system requirements, or similar topics. The documentation is more of an introductory page than a full technical manual. For readers looking for developer tools, its programmability and integration-development capabilities cannot be confirmed from the page.

Who It’s For and Access from China

It is best suited to advanced sailboat racers, navigators, tacticians, performance-cruising sailors, and users who already use—or plan to use—Expedition but need training and instrument-integration support. The page provides no evidence about accessibility from China, so this remains unknown. The feasibility of cross-border purchasing, payment, and remote training also needs to be confirmed directly. If using it in China, users should also consider the availability of charts, GRIB, AIS data sources, and network connectivity.