On Sunday, March 4, 2001 at 6:00:08 PM UTC-6, MHende6388 wrote:
Curious what the highest sailplane launch from a winch has ever been for the
longest cable.

Michael

January 3, 2016 Biala Podlaska (Poland), Glider: Perkoz; crew: Dominika Domańska and Ireneusz Boczkowski (CFI).

Achieved height: 1852m (6076 feet)
Rope length: 4100m

Source (in Polish, with pictures, including the altimeter):
http://lotniczapolska.pl/Milowa-wyso...dlaskiej,39116

Tom