On Monday, 25 Sep, 1978, a B-727 crashed in San Diego following a
collision with a Cessna 172.Â* To my knowledge 172s are still flying.

On 5/4/2018 8:27 PM, Matt Herron Jr. wrote:

snips
No one is listening to our "safety blather", but the first mid-air
between a glider and a commercial jet will definitely curtail our sport.

--
Dan, 5J