data recorders better known to many as black boxes. what can we learn or ascertain about what likely contributed to this crash? >> we'll know everything. we'll hear the last recording of the cockpit crew. their actual voices but all of the indications, every moment of the controls every moment of the engine thrust controls everything will be recorded on that data recorder. >> and we haven't heard that yet, it hasn't been found yet. does it appear that this crash may have -- may have been incurred some sosht of kas strofic failure once they did not get the go ahead to go to higher altitude? >> i don't know. that's a tough one. i mean, judgment call as a pilot, i would be very surprised to hear that they tried to get over the weather because the weather was way up in the high 40s, low 50s for the tops. this airplane didn't have the