Lockheed Super Electra 14-N2, NX18973, cn 1491 SDASM Published on July 10, 2013 in 10–14 July 1938Full resolution (1840 × 1369) ← Previous Next → Lockheed Model 14-N2 Super Electra Special, c/1419, NX18973. (San Diego Air and Space Museum Archive)