This early production Constellation wears 'NX' over its normal 'NC' prefix during pre-delivery tests by Lockheeds. Its c/n is marked on the rear fuselage. It was delivered to Pan Am on 5 January 1946. To Cubana as CU-T-547 in June 1953. From Lockheed 60 years ago.
This photo was added on 11 March 2018, and has since been viewed 137 times.