Located in the northeast sector. Amidst the factories and smokestacks, look for a rooftop with a large "Gentek" logo painted on the side. The box is on the edge of this roof, overlooking the street.
In the northwest corner of the Yellow Zone. This is a restricted area, so expect military resistance. The Blackbox is inside the main warehouse, sitting atop a stack of shipping crates. You may need to glide from the rafters to land on it. prototype 2 blackbox locations