On Friday, October 20, 2017 at 3:51:04 AM UTC-7, wrote:
The official report does not provide any additional information.

http://www.asias.faa.gov/pls/apex/f?...R:NGLTRFD17001

Are we never going to know if this glider had a transponder?
Can someone who flies in the Chicago area please try to sort this out?