you have to go back to the twa crash. >> you probably have to go back to the twa crash. a major plane that just killed a lot of people. this is where the faa plays a very effective role in training pilots and prescribing rules for airlines and it's not the same in the rest of the world. this pilot did have 20,000 hours of airasia. a very experienced pilot. the plane appears to be well maintained. there's an issue of whether the weather briefing was given by dispatchers or not. possibility of icing which also may have brought down the airfrance flight 447 in brazil several years ago when a critical piece of equipment iced up and they lost their air speed reading. they also had terrible weather and they were trying to get over it and air controllers wouldn't let them get over it so they try to get around it. somewhere in the triangle of