N6121A. Lockheed 188A Electra. c/n 1083.

Was also registered as: HK-774.

 

N6121A. American Airlines - in the 'lightning bolt' livery at an unknown airport, date unknown.

(R. N. Smith Collection Copyright Image 1808-705.)

HK-774. Aerocondor Colombia - in the standard livery at Miami Airport, January 1977.

(R. N. Smith Collection Copyright Image 1808-424.)