Actually, freighter shields have much better defense against SNs than most freighter/transport shields. You see, they regenerate much faster than heavier shields, and so they can regenerate before someone has a chance to line up a Supernova. Not to mention that you've got so many more regens to use with a smaller capacity. This is why Civilian Transport Shields are better for defense versus bombers than Advanced Transport Shields.
What you should be worries about with this thing is Gunboats, but, with 12 turrets forward and 9 back, this ship can pretty much take one on anyway...
[8:32:45 PM] Dusty Lens: Oh no, let me get that. Hello? Oh it's my grandma. She says to be roleplay.
[12:49:19 AM] Elgatodiablo: You know its nice that you have all that proof and all, Bacon... but I just don't believe you.