{"product_id":"3-pcs-basic-navigation-set","title":"OMISTAR 3-Piece Navigation Set — Parallel Ruler, Nautical Protractor \u0026 Fixed Divider, Clear Scales, Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eOMISTAR's 3 Pcs Basic Navigation Set is a compact collection of marine plotting tools — a transparent parallel ruler, a flexible nautical protractor, and a corrosion-resistant fixed point divider — built for precise chart work aboard or ashore.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you're an amateur navigator learning coastal piloting or an experienced helmsman maintaining accurate dead-reckoning plots, this kit supplies the fundamental instruments used in traditional chart navigation. Each tool is made to be durable, easy to read and operate, and complementary so you can measure bearings, transfer courses, and mark distances without switching between disparate tools.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these instruments help with everyday chart plotting?\u003c\/h3\u003e\n\u003cp\u003eThe parallel ruler makes it simple to transfer a course or bearing from one part of a chart to another while preserving angles. The protractor allows quick angle measurements and course plotting relative to true or magnetic north lines. The fixed divider converts chart distances to nautical miles or metric units so you can estimate leg lengths and ranges accurately.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eParallel ruler: draw parallel lines to transfer bearings across a chart without re-measuring angles\u003c\/li\u003e\n  \u003cli\u003eProtractor: flexible PVC face with clear degree markings for quick heading reads\u003c\/li\u003e\n  \u003cli\u003eFixed divider: corrosion-resistant metal and adjustable tension for repeatable distance marking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat features make this set reliable on a boat?\u003c\/h3\u003e\n\u003cp\u003eMaterials and construction focus on visibility and resistance to a marine environment. The ruler’s acrylic is highly transparent so chart details beneath remain visible, and the protractor’s flexible PVC resists cracking. The fixed divider is metal with anti-corrosion treatment and a secure joint so it holds settings under repeated use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-transparency acrylic ruler prevents blocking vital chart information\u003c\/li\u003e\n  \u003cli\u003eFlexible PVC protractor resists impact and conforms slightly for snug placement\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant metal divider keeps calibration stable in humid conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use each tool together to plot a course?\u003c\/h3\u003e\n\u003cp\u003eStart by using the protractor to identify your desired bearing relative to the chart’s north. Place the parallel ruler on that bearing and slide it to the vessel’s position to draw the course line without changing the angle. Finally, use the fixed divider to measure the leg distance on the chart and convert against the chart scale to determine nautical miles or kilometers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasure bearing with protractor against chart meridians or compass rose\u003c\/li\u003e\n  \u003cli\u003eTransfer bearing with parallel ruler to the vessel’s plotted position\u003c\/li\u003e\n  \u003cli\u003eMeasure distance with divider and compare to chart scale for range\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I care for and store the navigation kit?\u003c\/h3\u003e\n\u003cp\u003eRinse with fresh water after exposure to salt spray and dry thoroughly to prevent grime buildup. Store the pieces together in a dry case or compartment away from direct sunlight to avoid warping of the PVC and acrylic. Periodically check the divider’s joint for smooth tension and clean degree marks on the protractor for legibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFlush with fresh water, dry fully, and avoid prolonged sun exposure\u003c\/li\u003e\n  \u003cli\u003eKeep in a padded or separate compartment to prevent scratching of scales\u003c\/li\u003e\n  \u003cli\u003eOccasionally lubricate divider joint and wipe degree markings clean\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This OMISTAR navigation set is intended for boat owners, sailing students, instructors, yacht crew, and marine enthusiasts who prefer or train with paper chart methods. It’s also useful for navigation classes, coastal cruising, and as a reliable backup to electronic instruments when practicing traditional plotting techniques.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this set be used with any paper nautical chart?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The ruler, protractor and divider work with standard paper charts; just use the chart’s scale to convert divider measurements to distance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the divider resistant to saltwater corrosion?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The divider is made with corrosion-resistant metal, but rinsing after salt exposure is recommended for long life.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"OMISTAR","offers":[{"title":"Default Title","offer_id":48021788229793,"sku":"B0DCZLJ3DB","price":73.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/omistar-parallel-ruler-front-view.jpg?v=1791317612","url":"https:\/\/canadiansporting.ca\/products\/3-pcs-basic-navigation-set","provider":"Canadian Sporting","version":"1.0","type":"link"}