#AskNBCNews: How Important Is a Flight Simulator?

Image: Search underway for Malaysia Airlines jet
epa04118537 A Malaysia Airlines Boeing 777-200 airplane flight MH371 sits on the tarmac moments before its scheduled departure towards Kuala Lumpur at the Beijing Capital International Airport in Beijing, China, 10 March 2014. Malaysia aviation authorities say the search for the missing jet will not stop until the aircraft is located. 'There is no time frame in the search operations,' Rahman said. The search for Malaysia Airlines flight MH370, which went missing on 08 March 2014 with 239 people on board, has brought together nearly 100 vessels and aircraft from eight countries in Asia and the Pacific. The assistance poured in after Malaysia sought help in locating the Boeing 777-200 that disappeared en route from Kuala Lumpur to Beijing.EPA

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The search for missing Malaysian jetliner MH370 continues 10 days after it vanished. Authorities said experts are investigating the flight simulator that pilot Zaharie Ahmad Shah kept at his home. What does a flight simulator actually do? How does it work, and why is it now a part of the investigation?

Starting at 1:20 p.m. ET, NBC News' Lester Holt (@LesterHoltNBC) will sit down with NBC News analyst Bob Hager to moderate a live Q&A and walk viewers through a flight simulator.

Using the hashtag #AskNBCNews on Twitter and Facebook, viewers and readers may submit inquiries to our aviation experts. A full video will be available to watch on-demand here later this afternoon.