The Yeti Airlines flight crashed in Kathmandu, Nepal, killing 72 passengers on board. Now, investigators are using the black boxes to determine the cause of the crash. WATCH the ABC News Live Stream Here: https://www.youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #ABCNLUpdate #nepal #planecrash