Transcript for Ethiopian plane crash kills 157 people, 8 Americans

We begin with the new safety questions after an American made Boeing jet crashed. Killing 157. People including eight American. It's it's not clear yet what caused that you print airlines flight to cries for the brand new Boeing plane was the same model that crashed last October and Indonesia. In no aviation authorities and at least three countries have grounded the plane as investigators try to determine if the crashes are relayed it. This morning new safety concerns surrounding one of Boeing's top selling planes this Ethiopian airlines crash that killed everyone on board. With the second deadly crash in five months for the Boeing 737 Maxine we have database I think. Had his book and fourteenth. Touch it accident. The if you open airlines jet took off from the capital headed to Kenya data serves the parlors were having trouble controlling the plane when it went down to six minutes into the flight. That would suggest the possibility of an in flight explosion that would she just possibility of may be a fire. Among the dead beat Americans Georgetown University confirmed overnight one of its law students was on the ill fated flight. Cedric a seal who bought a Kenyan national was Warrington ruby. After the death of its beyoncé is mother. Ninety United Nations staff members were also killed they were heading to an environmental conference. Being Truro losses father who was on board. Oh I'm still provincial chrome just finding out what happened to know just who had been told people that. While on flight ET ET 310. Just this past October another new 737 Max eight. Crashed in Indonesia. In that case the line here pilots bill to disengage the auto pilot when faulty readings engaged to safety system that forces the plea threw down. In response. Authorities in China Ethiopia in the Cayman Islands suspended use of the 737 backseat. In a statement China civil aviation administration says is grounding the plane because the similarities in the crashes. Both crashes came during the takeoff phase with the planes flying erratically and the pilots asking to return to the airport. But experts insist it's too early to connect the two crashes. There's nothing right now that I know of that would lend any credence to being concerned about this particular airplane these two crashes are wildly dissimilar. And a statement Boeing says it is saddened by the crash and sending a team to investigate.

This transcript has been automatically generated and may not be 100% accurate.