The aircraft with manufacturer serial number 19421 and line number 53 is a Boeing 737-201. It had its maiden flight on 1968-07-29. The last recordered registration was N205AU. The airframe is stored.
History:
Piedmont Airlines, from 8th of August 1968, registered as N737N US Air merged, from 5th of August 1989, registered as N205AU Frontier Airlines, from 9th of September 1994