The wreckage was never found. and this again was in 1972. the active search lasted for 39 days. it involved 70 aircraft and 3,600 hours of fly time. nothing turned up. in 1972 because, hear this, this is flight 571. it s headed to chile. authorities are not aware that there are survivors. but there are survivors. you probably remember this plot from a movie so hang on with me. an avalanche actually hits the wreckage. the people on board are using this wreckage as their shelter. this is what we are using. but an avalanche hits it so another eight people die. so survivors resort to ....