InstantForum 2017-1 FinalOCC Forumshttps://forum.oceancruisingclub.org/OCC ForumsThu, 16 Apr 2026 15:05:23 GMT20https://forum.oceancruisingclub.org/FindPost7729.aspxHi all, We did not use Ocean Pilot Charts all that much for fundamental guidance, but they did get referred to before any ocean passage and were fun to have aboard for the occasional answering of...Fri, 10 Nov 2023 19:09:58 GMTDickhttps://forum.oceancruisingclub.org/FindPost2358.aspxI am considering buying a sext.....Sat, 04 Mar 2023 16:47:36 GMTjgbaileyhttps://forum.oceancruisingclub.org/FindPost7456.aspxHello, I am seeking a replacement part for my old-style gimballed brass Sestrel compass which is frame-mounted on the binnacle. The dome is cracked and needs replacing. As these compasses are out o...Fri, 03 Mar 2023 12:00:13 GMTGenevieve.Millwardhttps://forum.oceancruisingclub.org/FindPost2598.aspxPredictWind has launched a new.....Sun, 05 Sep 2021 18:12:19 GMTsnelemhttps://forum.oceancruisingclub.org/FindPost4949.aspxHas anyone here done lunar dis.....Thu, 04 Mar 2021 19:12:57 GMTagantthttps://forum.oceancruisingclub.org/FindPost6535.aspxStonehenge and Minoan Navigation By Richard de Grasse I discovered there were thousands of Bronze Age copper mines along with the accompanied copper culture on Isle Royale in Lake Superior following....Mon, 01 Mar 2021 14:25:24 GMTdickdeghttps://forum.oceancruisingclub.org/FindPost6402.aspxI am planning a circumnavigation, westbound, starting from Panama. My boat, Islander, has a magnetic compass in the binnacle. To date, I have cruised only in the northern hemisphere. I understand tha...Mon, 08 Feb 2021 17:16:48 GMTBarbara.Euserhttps://forum.oceancruisingclub.org/FindPost5946.aspxThe RIN has announced a new series of webinars which OCC members are welcome to watch: Demystifying Contact Tracing Apps 21 July 1600 BST Risky Business - Ensuring Precise Time for.....Sun, 31 Jan 2021 09:09:11 GMTalshaheenhttps://forum.oceancruisingclub.org/FindPost6175.aspxThe Royal Institute of Navigation recently published information about a curious craft washed ashore on the island of Tiree on the West Coast of Scotland and asked members if they could identify the....Wed, 28 Oct 2020 13:04:21 GMTalshaheenhttps://forum.oceancruisingclub.org/FindPost5934.aspxAs an OCC member and American sailing captain/navigator I have had a long-standing belief that Bronze Age navigators - particularly the Minoans- used stone circles as a means to aid with navigation a...Wed, 08 Jul 2020 16:33:27 GMTdickdeghttps://forum.oceancruisingclub.org/FindPost5519.aspxDo you use Admiralty Small Craft Folio charts? UKHO has just announced that it is planning to withdraw them. The UK Hydrographic Office (UKHO) has made the following announcement: Following market...Wed, 01 Apr 2020 09:32:01 GMTalshaheenhttps://forum.oceancruisingclub.org/FindPost5432.aspxIt seems that underwater eruptions of volcanos can pose significant challenges to navigation. Most of us know about Kick 'em Jenny and how it affects buoyancy in the Caribbean. A recent vast raft of....Mon, 25 Nov 2019 18:10:51 GMTDariaBlackwellhttps://forum.oceancruisingclub.org/FindPost5608.aspxAs I start planning my qualifying passage (Plymouth UK - A Coruña Spain - Horta Portugal = Plymouth) I popped into The Sea Chest in Plymouth to discuss charts and they pulled out some NV Charts that....Sun, 24 Nov 2019 11:25:28 GMTSandy.Garrityhttps://forum.oceancruisingclub.org/FindPost5498.aspxThis will not directly affect many, if any OCC cruisers but is of general and theoretical interest regarding the susceptibility of AIS and GPS systems to malicious spoofing. On 7 August the US...Sat, 14 Sep 2019 16:26:18 GMTalshaheenhttps://forum.oceancruisingclub.org/FindPost5253.aspxWe've had strange patterns show up on our chartplotter from time to time. Today was extreme. I noticed that each time the wacky zig zag patterns happened, the DGPS was off and we had GPS only. Can...Sun, 30 Jun 2019 16:42:23 GMTDariaBlackwellhttps://forum.oceancruisingclub.org/FindPost3409.aspxDear OCC Member, I am writi.....Thu, 08 Dec 2016 19:05:22 GMTDariaBlackwellhttps://forum.oceancruisingclub.org/FindPost3100.aspxAn update to the terrific arti.....Wed, 04 May 2016 16:16:31 GMTDariaBlackwellhttps://forum.oceancruisingclub.org/FindPost2942.aspxIt appears that in future elec.....Wed, 17 Feb 2016 20:20:54 GMTpeterpaternottehttps://forum.oceancruisingclub.org/FindPost2709.aspxTraditional Polynesian navigat.....Sun, 17 Jan 2016 18:34:54 GMTDariaBlackwellhttps://forum.oceancruisingclub.org/FindPost2663.aspxSailing Europe Interactive pla.....Tue, 29 Dec 2015 15:20:49 GMTDariaBlackwellhttps://forum.oceancruisingclub.org/FindPost2592.aspxNavionics is doing some very i.....Wed, 18 Nov 2015 13:21:17 GMTDariaBlackwell