I think I pretty well understand what was going on with Jesssica that night, but am much more concerned with what was happening on the bridge of the chinese ship. The preliminary report states that they saw a green light about 4 miles out, and tried to change course at the last minute. The first statement seems a bit incredulous, as Jessica's light range would be more likely 2 miles unless you knew where to look with binoculars. The second statement is consistent with Colregs if you are the stand on vessel, which they would have been if Jessica had been under power.
I think that were sone language difficulties in the preliminary report, and the litigious nature of the Aussies may stifle gettting at the real story, but I would love to know what really went on--what did the ship's AIS
tell them, and what did they think the situation was at the time.
Another interesting point was that the Australian shore-based AIS
receiver was tracking both boats. Was that station part of VTS, or separate. It seems to me that with a bit of programming, a VTS AIS computer could provide warnings of collisions with other vessels or fixed objects. It wouldn't work in crowded Sydney
harbor, but it might be quite useful for coastal areas in the wee hours of the morning.