Transcript for Was Pilot Error Cause of San Francisco Plane Crash?
more now and bring in abc news aviation consultant colonel steven ganyard for more. You heard the latest details. What do you make of it. I think the ntsb continues to signal all they're seeing is indications of pilot error. Somewhere along the line human beings made mistake and also the point where they say we're getting so much evidence that's pointing to one conclusion that they're probably going to be nervous and take a look and make sure there's no mechanical problems. You have a problem of a 777 right there. I understand you have a friend who was a pilot and flying and was two planes behind the aircraft that crashed? Yes. What did he see? He had made two observatobservations, one how professional the authorities were getting the The other as he flew over as they waved off and went by the crash site, he actually said that he remarked to his co-pilot he said there are a lot of people that just died down in and so it was a surprise, a shock for him to come back and find that the casualty count was so low. Exactly. Many people when you see the aftermath, it's amazing that more people were not seriously injured and killed from this. We keep seeing this right here, colonel, and it was a clear day and you say sometimes that's not necessarily a good thing that the weather was so clear. I think there are a lot of factors that went into this. Mostly human factors, a new pilot, new to the airplane but with lots of experience, a co-pilot with lots of experience on the airplane but awe clear day. Often we see mishaps where the weather is nasty but sometimes en it's a nice clear day like that people get distracted. It's a beautiful day, you see the golden gate bridge, the controller says do you see the airport. Let's just go ahead and land so this could have been a distraction in and of itself not advancing the throttle and running out of air speed. All right, thank you very much. As you said, so grateful man were able to walk away. We'll get to the terrifying
This transcript has been automatically generated and may not be 100% accurate.