Davef,
You can tell I was being somewhat facetious, but that thing could have probably temporarily debilitated some guy in a Piper Aztec bringing in 'a couple of keys'.....although they generally come from the opposite direction from where CF-18s would be involved.
One of the Niagara one-oh-wonders got scrambled one night on something apparently uncooperative over Lake Ontario. They were given a SAGE "follow dolly" (follow ground datalink steering). They completed the intercept, turned on the light and read.....
.....MOHAWK AIRLINES
Light off, skulk away quickly.....passengers reported UFO.