mig1off wrote:
game 207607, a niuport did a 4s3 move......
how is it possible?
Some of them have overdrive.

It is probably an automove bug. Automove will use any bluemax movement with the correct speed even if its not part of that planes possible moves.
I think it is a feature the Webmasters have added in on purpose, as they felt that the 'bots were not competitive enough