Chartwork

Course to Steer & Estimated Position - Live Tutorial

Tonight we are planning our first live broadcast. Because it's our first (and there are likely to be glitches!) this one is for free to all

How to Calculate & Plot an Estimated Position

In this video, we talk you through how to calculate and plot and Estimated Position (EP). We have no allowed for the application of variatio

How to Plot a Course to Steer

In this short video, we talk you through how to apply the tidal vector and boat speed vector to reach a desired destination efficiently, by

How to Calculate Clearance below a Bridge on a Tidal River

When calculating a safe time to clear under a bridge, we should first calculate the maximum amount of tide we can have and still pass safely