Jim Wilkins schreef:
On Mar 6, 8:45 pm, wrote:
...What's UL use?
I think UL here means UltraLight, a minimally regulated, tiny but
MANNED aircraft.
http://www.eaa.org/Ultralights/

I thought the same, but should like to add that in several countries the
"ultralight" definition allows bigger planes, closer to the newer US
light sport aircraft definition.