According to the Knowbeforeyoufly.org
If the original intent of the hobbyists was for fun, then YES he/she can legally sell the pic.
Don’t take my word for it, read it for yourself from their link to FAQ’s
Frequently Asked Questions | Know Before You Fly
If the original intent of the hobbyists was for fun, then YES he/she can legally sell the pic.
Don’t take my word for it, read it for yourself from their link to FAQ’s
Frequently Asked Questions | Know Before You Fly