The aircraft with manufacturer serial number 21705 and line number 374 is a Boeing 747-251B. It had its maiden flight on 1979-05-11. The last recordered registration was N706BL. The airframe is scrapped.
History:
Northwest Airlines, from 25th of May 1979, registered as N623US Delta Airlines, from 29th of October 2008 Kalitta Air, from 19th of August 2010 Baltia Airlines, from 16th of March 2011, registered as N706BL