The aircraft with manufacturer serial number 21657 and line number 339 is a Boeing 747-238B. It had its maiden flight on 1978-09-08. The last recordered registration was N164UA. The airframe is scrapped.
History:
Qantas, from 18th of September 1978, registered as VH-EBO United Airlines, from 28th of June 1991, registered as N164UA