User blog comment:Stpehen/Sneak Peek: Ship Customization and Upgrades!/@comment-4219405-20110901230452/@comment-5210060-20110901233245

Those stats are not official. They were added based on the difference of the Light and Regular Brig.

Hull: Regular 7,800 - Light 3,900 = 3,900 So... 7,800 + 3,900 = 11,700

That is how ALL the War Stats were figured.