G20783 squawked 7600 near Tulsa (TUL)

At 21:40 UTC on 4 November 2026, G20783, an ASTA S-70 Seahawk registered 15-20783, began transmitting transponder code 7600, lost communications (nordo), near Tulsa (TUL) at 3,100 ft.

The code stayed up for about 0 minutes; we last saw it at 21:40 UTC, by which time the aircraft was at 3,000 ft. The map shows the path flown around the event, colored from live ADS-B positions.

A squawk code is set by the crew on the transponder. 7600 means radio failure: the aircraft has lost two-way communication with air traffic control and is following standard procedures. Nothing here is confirmed by the operator or an investigating authority; it is what the aircraft broadcast.