"Skylune" wrote:
I saw a few kids flying kites over the weekend. It occurred to me:
What if they were flying the kites real high in the vicinity of GA
airports? I don't think there are any laws about kite flying off
airport property.

There are laws that cover kite flying under certain conditions - airports
are in fact covered by the regs. Relevant regs are in FAR part 101
"Moored balloons, kites, unmanned rockets and unmanned free balloons".

Quotes from some specific sections (see the FAR for the entire section):

"§ 101.13 Operating limitations.
(a) Except as provided in paragraph (b) of this section, no person may
operate a moored balloon or kite—

(1) Less than 500 feet from the base of any cloud;

(2) More than 500 feet above the surface of the earth;

(3) From an area where the ground visibility is less than three miles; or

(4) Within five miles of the boundary of any airport.

(b) Paragraph (a) of this section does not apply to the operation of a
balloon or kite below the top of any structure and within 250 feet of it,
if that shielded operation does not obscure any lighting on the
structure."

§ 101.15 Notice requirements.
No person may operate an unshielded moored balloon or kite more than 150
feet above the surface of the earth unless, at least 24 hours before
beginning the operation, he gives the following information to the FAA
ATC facility that is nearest to the place of intended operation:

(a) The names and addresses of the owners and operators.

(b) The size of the balloon or the size and weight of the kite.

(c) The location of the operation.

(d) The height above the surface of the earth at which the balloon or
kite is to be operated.

(e) The date, time, and duration of the operation.

§ 101.17 Lighting and marking requirements.
(a) No person may operate a moored balloon or kite, between sunset and
sunrise unless the balloon or kite, and its mooring lines, are lighted so
as to give a visual warning equal to that required for obstructions to
air navigation in the FAA publication “Obstruction Marking and Lighting”.

(b) No person may operate a moored balloon or kite between sunrise and
sunset unless its mooring lines have colored pennants or streamers
attached at not more than 50 foot intervals beginning at 150 feet above
the surface of the earth and visible for at least one mile. "