[DavidG]

Originally posted by Lighthorse:
Atrocities,

Got a bug for you in the Federation
Both the Federation's medium and large transports are the same size in tonage 600kt.
There are no fighter bays for the Federation Light Carrier. I have already researched fighter and advance ship const. You may want to check that the other carrier classes has fighter bays to.

Lighthorse

I think the problem here is that fighter bays are replaced by shuttle bays. i noticed this when i truned off shuttle tech in a game. fighters were then impossible to build. in a scenario i'm making based on the trek mode i added fighter bays and fighter cockpit etc so you could hve both. Also a lot of 'fighter' stuff require the tech 'shuttles'. In your game researching Shuttles should solve your problem i think.