The aircraft with manufacturer serial number 21441 and line number 306 is a Boeing 747SP-21. It had its maiden flight on 1977-04-25. The last recordered registration was N747NA. The airframe is stored.
History:
Pan Am, from 6th of May 1977, registered as N536PA United Airlines, from 13th of February 1986, registered as N145UA NASA/DLR, from 20th of October 1997 NASA returned, from 8th of April 2005, registered as N747NA