Nearly all 501(c)(3) organizations tax forms 990 are available with free registration at guidestar.org . Search for "US Sailing" and they are about the 3rd link. It details where your money is going. For 2006, 7.8M in revenue, 6.8M in expenses. 5.8M is providing services:

• 1.6M Olympic
  
• 1.9M Race Mangement
  
• 1.1M newsletter and communication with 34000 members
  
• 860k in keelboat and training

Keep in mind that not-for-profit doesn't mean they don't make profits. It means the profits are put back into the organization to pursue their public purpose.