GH972 Hyperlane was a hyperspace route that connected the Refrax system to the Kestel systems. This route was located within the Mortex sector of the Outer Rim Territories.
Prior to the Black Ice being captured, Imperial Replenishment Fleet DK-209 traveled along hyperlane GH972. Its destination was the Kestel system, where it was scheduled to meet with Assault Fleet EM4.