On 17 March 1986, Boivin, using skis, paraglider and hang glider for his descents, Mark Twight, Kiss Or Kill: Confessions of a Serial Climber, The Mountaineers Books, 2002, p. 33 linked up ascents of the north faces of the Aiguille Verte, Les Droites, Les Courtes and the Grandes Jorasses, flying 15 kilometers back to the Chamonix valley after his final ascent and arriving at 0:30 am.