That counts for all participants of the fight. It's not the blue message that defines who you have to wait for to log off, because in that case, people with "divided by zero" and other blues without a name, could just respawn. Application of common sense. If there are people left in the system that were involved in the fight you have been in, then you have to wait for them to leave, too.
In the end, just don't forget it is a roleplay server. It's definitely not roleplay if you just got destroyed and ten minutes later greet your enemy on the same ship.