Getting Engine Data onto your Instruments Introduction The Nanni engines on our catamaran use the Nanni SI.4 digital control panel. It is connected to the engine with several cable bundles. One of them is a J1939 bus, which is used to constantly send engine data when the engine is running. This includes the following data: engine RPM engine hours engine water temperature engine oil pressure tank level (only if a tank sender is connected to two wires on the back of the engine panel trouble events (over-heating, etc.) Why Do this? There are two main reasons I can see to do this. One is just as simple as getting the above information added to and therefore available from NMEA. This allows to be inside at our Nav Station and see all of this information about the engines without having to go outside, which can be great in inclement weather. The more compelling reason, in my opinion comes into play when you have a PredictWind DataHub and their professional level subscription...
We recently made the crossing from Panama to French Polynesia (Nuku Hiva, The Marquesas) and there are quite a few steps that need to happen for clearing in. Here they are in the order in which they should be completed. These were accurate as of May 2026. Note: This is for those with and without a Long Stay Visa - the only step that changes in Step 7. Clearing In Steps Fill out the entry form several days before arriving. You will need to create an account. https://demarche.numerique.gouv.fr/commencer/declaration-unique-plaisance-polynesie-francaise Fill out the bio-security form 48 hours before arriving. https://www.mes-demarches.gov.pf/commencer/demande_arraisonnement_voiliers Technically, you are supposed to complete and submit the Maritime Health Declaration and email it. https://en.pf.yellowflagguides.com/arrival/obligations-and-formalities/ Create an account on Escales for you boat so you can register for a mooring/anchorage in the areas where this is req...