This boat is not interesting. Chart as follows and case closed.
This boat is also interesting as it goes along the Banda chain of islands and comes back more or less along the same routes and goes as far west as Surabaya. It then repeats this operation with only a few additional stop-overs.
First chart.
And the second chart as follows.
This actually is good and worth taking a closer look later. Case closed for the moment.
We have looked at Tidar, but here more properly with the charts.
Tidar is one of the most straightforward routes to Ambon and western shores of Papua New Guinea. The first chart goes from Surabaya to Ambon, more or less straight.
Tidar then goes furthr east and comes back along the same routes and finally docks at Jakarta. Next chart shows just that.
Very simple and the case is closed until further scruitiny.