"Jack" wrote in message
om...
"Gliders in the U.K. were involved in 10 near-midairs
in the second half of last year, safety investigators
said recently, noting that newer models fly at high
altitudes without transponders and are hard to see,
both visually and on radar...."

http://www.avweb.com/eletter/archive...ll.html#188600


e.g., http://news.bbc.co.uk/1/hi/wales/mid/3763766.stm

Perhaps spam can pilots should look out of the window more often!!

Peter.