The aircraft with manufacturer serial number 21706 and line number 377 is a Boeing 747-251B. It had its maiden flight on 1979-05-26. The last recordered registration was N624US. The airframe is scrapped.
History:
Northwest Airlines, from 6th of June 1979, registered as N624US Delta Airlines, from 29th of October 2008 Kalitta Air LLC, from 19th of August 2010