The fifth L-14. Happy with the L-10, Northwest Airlines was the launch customer for the L-14, which it called the Sky Zephyr. Four Sky Zephyrs crashed, however, between January 1938 and January 1939, and the type was phased out in the summer of 1939. Normally Northwest didn't fly farther east than Chicago back then, but here NC17386 is seen in Boston for reasons unknown. NC17386 to TACA of Honduras as XH-TEG. To PP-AVA of Aerovias Brasil. Crashed on 13 February 1943. Photo by: Leslie Jones / Boston Public Library