<p>NEW YORK (March 13, 2018) --
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 Chihoon Shin, an Aerospace Engineer with the NTSB's Office of Aviation Safety, examines the flight controls of the Liberty Helicopters' helicopter that crashed in the East River here Sunday, March 11, 2018. The NTSB's Go Team has formed an operations group, airworthiness group, powerplants group and a survival factors group to conduct the NTSB's investigation of the crash. Shin is the chair of the airworthiness group. A weather group and air traffic control group were also formed using NTSB investigators in Washington. (NTSB Photo by Chris O'Neil)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/68618467@N03">National Transportation Safety Board</a>
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