![bh-navigation-1500x1500](https://www.rhsboating.com.au/images/com_hikashop/upload/bh-navigation-1500x1500.jpg)  Plan your paper-chart work with BH Navigation instruments. The catalogue includes tools for plotting courses and bearings, helping you organise navigation tasks at the chart table. Compare instrument size, markings and intended function to suit your chart work. A clear, practical selection of plotting tools also makes a useful addition to a navigation training kit. Explore the BH Navigation listings at RHS Boating & Marine for product details and available options.

           [ ![RWB6180](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB6180.jpg "GEBO ABS Hatch Inner Dress Rim - RWB6001 (hatch/port cut-out 275 x 275mm)") ](https://www.rhsboating.com.au/categories/gebo-abs-hatch-inner-dress-rim-rwb6001-hatch-port-cut-out-275-x-275mm.html)

   $199.34  each    [ GEBO ABS Hatch Inner Dress Rim - RWB6001 (hatch/port cut-out 275 x 275mm) ](https://www.rhsboating.com.au/categories/gebo-abs-hatch-inner-dress-rim-rwb6001-hatch-port-cut-out-275-x-275mm.html)      [ RWB6180 ](https://www.rhsboating.com.au/categories/gebo-abs-hatch-inner-dress-rim-rwb6001-hatch-port-cut-out-275-x-275mm.html)

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   [ ![RWB6181](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB6181.jpg "GEBO ABS Hatch Inner Dress Rim - RWB6003 (hatch/port cut-out 325 x 185mm)") ](https://www.rhsboating.com.au/categories/gebo-abs-hatch-inner-dress-rim-rwb6003-hatch-port-cut-out-325-x-185mm.html)

   $199.34  each    [ GEBO ABS Hatch Inner Dress Rim - RWB6003 (hatch/port cut-out 325 x 185mm) ](https://www.rhsboating.com.au/categories/gebo-abs-hatch-inner-dress-rim-rwb6003-hatch-port-cut-out-325-x-185mm.html)      [ RWB6181 ](https://www.rhsboating.com.au/categories/gebo-abs-hatch-inner-dress-rim-rwb6003-hatch-port-cut-out-325-x-185mm.html)

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   [ ![RWB6186](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB6186.jpg "GEBO ABS Hatch Inner Dress Rim - RWB6013 (hatch/port cut-out 620 x 620mm)") ](https://www.rhsboating.com.au/categories/gebo-abs-hatch-inner-dress-rim-rwb6013-hatch-port-cut-out-620-x-620mm.html)

   $210.13  each    [ GEBO ABS Hatch Inner Dress Rim - RWB6013 (hatch/port cut-out 620 x 620mm) ](https://www.rhsboating.com.au/categories/gebo-abs-hatch-inner-dress-rim-rwb6013-hatch-port-cut-out-620-x-620mm.html)      [ RWB6186 ](https://www.rhsboating.com.au/categories/gebo-abs-hatch-inner-dress-rim-rwb6013-hatch-port-cut-out-620-x-620mm.html)

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   [ ![RWB6195](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6001 (hatch/port cut-out 275 x 275mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6001-hatch-port-cut-out-275-x-275mm.html)

   $256.38  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6001 (hatch/port cut-out 275 x 275mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6001-hatch-port-cut-out-275-x-275mm.html)      [ RWB6195 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6001-hatch-port-cut-out-275-x-275mm.html)

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   [ ![RWB6197](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6002 (hatch/port cut-out 310 x 310mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6002-hatch-port-cut-out-310-x-310mm.html)

   $185.49  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6002 (hatch/port cut-out 310 x 310mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6002-hatch-port-cut-out-310-x-310mm.html)      [ RWB6197 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6002-hatch-port-cut-out-310-x-310mm.html)

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   [ ![RWB6196](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6003 (hatch/port cut-out 325 x 185mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6003-hatch-port-cut-out-325-x-185mm.html)

   $213.58  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6003 (hatch/port cut-out 325 x 185mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6003-hatch-port-cut-out-325-x-185mm.html)      [ RWB6196 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6003-hatch-port-cut-out-325-x-185mm.html)

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   [ ![RWB6198](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6006 (hatch/port cut-out 420 x 420mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6006-hatch-port-cut-out-420-x-420mm.html)

   $178.11  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6006 (hatch/port cut-out 420 x 420mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6006-hatch-port-cut-out-420-x-420mm.html)      [ RWB6198 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6006-hatch-port-cut-out-420-x-420mm.html)

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   [ ![RWB6199](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6008 (hatch/port cut-out 450 x 320mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6008-hatch-port-cut-out-450-x-320mm.html)

   $228.12  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6008 (hatch/port cut-out 450 x 320mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6008-hatch-port-cut-out-450-x-320mm.html)      [ RWB6199 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6008-hatch-port-cut-out-450-x-320mm.html)

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   [ ![RWB6200](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6009 (hatch/port cut-out 470 x 470mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6009-hatch-port-cut-out-470-x-470mm.html)

   $253.13  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6009 (hatch/port cut-out 470 x 470mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6009-hatch-port-cut-out-470-x-470mm.html)      [ RWB6200 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6009-hatch-port-cut-out-470-x-470mm.html)

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   [ ![RWB6201](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6011 (hatch/port cut-out 500 x 370mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6011-hatch-port-cut-out-500-x-370mm.html)

   $217.16  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6011 (hatch/port cut-out 500 x 370mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6011-hatch-port-cut-out-500-x-370mm.html)      [ RWB6201 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6011-hatch-port-cut-out-500-x-370mm.html)

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   [ ![RWB6202](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6012 (hatch/port cut-out 510 x 510mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6012-hatch-port-cut-out-510-x-510mm.html)

   $192.35  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6012 (hatch/port cut-out 510 x 510mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6012-hatch-port-cut-out-510-x-510mm.html)      [ RWB6202 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6012-hatch-port-cut-out-510-x-510mm.html)

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   [ ![RWB6203](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6013 (hatch/port cut-out 620 x 620mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6013-hatch-port-cut-out-620-x-620mm.html)

   $256.55  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6013 (hatch/port cut-out 620 x 620mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6013-hatch-port-cut-out-620-x-620mm.html)      [ RWB6203 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6013-hatch-port-cut-out-620-x-620mm.html)

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   [ ![RWB6205](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6020 (hatch/port cut-out 200 x 200mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6020-hatch-port-cut-out-200-x-200mm.html)

   $185.49  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6020 (hatch/port cut-out 200 x 200mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6020-hatch-port-cut-out-200-x-200mm.html)      [ RWB6205 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6020-hatch-port-cut-out-200-x-200mm.html)

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   [ ![RWB6207](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6022 (hatch/port cut-out 325 x 185mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6022-hatch-port-cut-out-325-x-185mm.html)

   $195.92  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6022 (hatch/port cut-out 325 x 185mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6022-hatch-port-cut-out-325-x-185mm.html)      [ RWB6207 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6022-hatch-port-cut-out-325-x-185mm.html)

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   [ ![RWB6208](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6023 (hatch/port cut-out 341 x 196mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6023-hatch-port-cut-out-341-x-196mm.html)

   $196.10  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6023 (hatch/port cut-out 341 x 196mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6023-hatch-port-cut-out-341-x-196mm.html)      [ RWB6208 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6023-hatch-port-cut-out-341-x-196mm.html)

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   [ ![RWB6209](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6024 (hatch/port cut-out 410 x 410mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6024-hatch-port-cut-out-410-x-410mm.html)

   $199.34  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6024 (hatch/port cut-out 410 x 410mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6024-hatch-port-cut-out-410-x-410mm.html)      [ RWB6209 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6024-hatch-port-cut-out-410-x-410mm.html)

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   [ ![RWB6211](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6027 (hatch/port cut-out 500 x 370mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6027-hatch-port-cut-out-500-x-370mm.html)

   $217.16  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6027 (hatch/port cut-out 500 x 370mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6027-hatch-port-cut-out-500-x-370mm.html)      [ RWB6211 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6027-hatch-port-cut-out-500-x-370mm.html)

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   [ ![RWB6213](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6029 (hatch/port cut-out 620 x 620mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6029-hatch-port-cut-out-620-x-620mm.html)

   $338.06  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6029 (hatch/port cut-out 620 x 620mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6029-hatch-port-cut-out-620-x-620mm.html)      [ RWB6213 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6029-hatch-port-cut-out-620-x-620mm.html)

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   [ ![RWB6217](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6036 (hatch/port cut-out 500 x 370mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6036-hatch-port-cut-out-500-x-370mm.html)

   $217.16  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6036 (hatch/port cut-out 500 x 370mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6036-hatch-port-cut-out-500-x-370mm.html)      [ RWB6217 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6036-hatch-port-cut-out-500-x-370mm.html)

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   [ ![RWB6218](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "GEBO Aluminium Hatch Inner Dress Rim - RWB6037 (hatch/port cut-out 500 x 500mm)") ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6037-hatch-port-cut-out-500-x-500mm.html)

   $238.56  each    [ GEBO Aluminium Hatch Inner Dress Rim - RWB6037 (hatch/port cut-out 500 x 500mm) ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6037-hatch-port-cut-out-500-x-500mm.html)      [ RWB6218 ](https://www.rhsboating.com.au/categories/gebo-aluminium-hatch-inner-dress-rim-rwb6037-hatch-port-cut-out-500-x-500mm.html)

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   [ ![RWB6080](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB6080.jpg "GEBO Econoline Opening Portlight - 304 x 155mm Cut-out - 329 x 180mm Overall") ](https://www.rhsboating.com.au/categories/gebo-econoline-opening-portlight-304-x-155mm-cut-out-329-x-180mm-overall.html)

   $546.98  each    [ GEBO Econoline Opening Portlight - 304 x 155mm Cut-out - 329 x 180mm Overall ](https://www.rhsboating.com.au/categories/gebo-econoline-opening-portlight-304-x-155mm-cut-out-329-x-180mm-overall.html)      [ RWB6080 ](https://www.rhsboating.com.au/categories/gebo-econoline-opening-portlight-304-x-155mm-cut-out-329-x-180mm-overall.html)

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- [135](https://www.rhsboating.com.au/brands-listing/category/bh-navigation-marine-chart-plotting-instruments/view-category/layout-listing.html?start=2898&limit=21 "135")
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- [140](https://www.rhsboating.com.au/brands-listing/category/bh-navigation-marine-chart-plotting-instruments/view-category/layout-listing.html?start=2898&limit=21 "140")
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- [143](https://www.rhsboating.com.au/brands-listing/category/bh-navigation-marine-chart-plotting-instruments/view-category/layout-listing.html?start=2898&limit=21 "143")
- [](https://www.rhsboating.com.au/brands-listing/category/bh-navigation-marine-chart-plotting-instruments/view-category/layout-listing.html?start=2898&limit=21)
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