central philippines. you can see here the emergency slides were deployed and a passenger telling nbc news, it was an uneventful flight until the turbulence nearing descend. fortunately nobody was hurt. at the time the region was being slammed by a tropical storm bringing flash floods and killing on the ground more than 30 people. cnn aviation analyst miles o'brien is outfront. so not only the pilots were dealing with bad weather, but tell us about the airport and the conditions there when the other accident happened? >> well without getting too deep into aviation jim, this particular approach is called a nonprecision approach meaning it is not the precise tunnel in the sky that the instrument landing system is. and as a result they had to fly and step themselves down through the clouds in sort of a steep fashion. so they were up against a steeper approach already, just