In 1993 he received the Member in the Order of Australia (AM) for service to mountaineering and to international relations, presumably in part for recognition of this achievement.
In 1995 Macartney-Snape, Stephen Venables, John Roskelley, Jim Wickwire and Charlie Porter attempted a new route on Mt Sarmiento, on the western shores of Tierra del Fuego, where Macartney-Snape, Roskelley and Venables summited via new route up the southwest face of the western summit [REF].