This assumes rescuers know where to start looking. The survivors of Uruguayan AF flight 571, described in the book Alive, waited 2 months at the crash site befo

This assumes rescuers know where to start looking. The survivors of Uruguayan AF flight 571, described in the book Alive, waited 2 months at the crash site before hiking 10 days to find help (losing 8 people to avalanche and resorting to cannibalism in the mean time).