The topic Angel Investor is 1 of the top 5 viewed topics on this website forum.
I didn't know if any of the Information might help you?
I took a few minutes & this is what I found on the Internet for you.
Checkout this website: http://www.federalgrantswire.com
Go to the bottom of the page & look under Federal grants by name.
Go to A, at the bottom of the list you will find Aviation.
I hope this points you in the right direction or try the IRS.
No my project has not been funded yet, to big of an Idea.