Chart hire

[KompetentKrew]

Complete electrical failure would affect any device using electronic charts of course, not just an OpenCPN device.

Yes, and the inability to charge only the laptop would affect only CPN and not a dedicated plotter.

The need for redundancy in critical systems is widely understood - for every *what if* example there is a corner example, but you have redundancy to allow for cascades of failures. Or you don't, it's up to you.

 

[Bobc]

Surely, all you need is a chart for each end, and one for the middle bit, so if you're doing the Azores, then Eastern Atlantic.

 

[pandos]

Gumtree is a good source at times, also vmh has been suggested for 70 odd quid. Probably all the charts you need, including the med etc. 2022 Unified Charts - BUY NOW : by VisitMyHarbour [Unified Charts (compatible with OpenCPN on Windows)] - VisitMyHarbour articles