Reported on a number of news sources this week was a comment from FAA spokesperson Les Dorr. According to news reports in response to questions about how the FAA was enforcing the current rules on UAV operations he said, "We really would only pursue a civil penalty if someone was operating an unmanned aircraft in a reckless manner". Read one of the articles at: http://www.chicagotribune.com/business/sns-rt-us-usa-drones-commercial-20130808,0,7810412.story OR http://www.reuters.com/article/2013/08/08/usa-drones-commercial-idUSL1N0G312B20130808 Food for thought. But totally aligned with what has been reported on this and other forums. I know of only 2 deals with fines. Team Blacksheep, reportedly $10,000 fine and also the folks that were fined at Alcatraz (believe that was a single rotor).
Here's a local news story about the Alcatraz incident. There's no indication of a fine amount, and from all appearances, this guy's still flying (doing real estate stuff). http://www.marinij.com/sausalito/ci_20975136/feds-cite-marin-county-men-over-drone-helicopter