AJ wrote:

In a recent address to airline pilots, Art Cummings, chief of the
FBI's National Joint Strategic Assessment and Warning Section,
cautioned, "We've seen terrorist organizations looking at everything
as small as ultralights to deliver weapons of mass destruction ...

"That's yet another vulnerability that we have to take a look at very
strongly," he said. "We have to fill that gap."

Just what can an ultralight lift, and how heavy are those "suitcase" bombs?

[Wouldn't the bomb appear on RADAR in this case?]

- Andrew