Monday, 10th of January, 1938
– United States of America
Northwest Airlines flight 2, a domestic scheduled passenger flight from Butte Airport, Montana (BTM/KBTM), to Billings Municipal Airport, Montana (BIL/KBIL), operated with a Lockheed 14-H Super Electra, registration NC17388, lost control and crashed after a structural failure of the tail due to tail flutter near Bozeman, Montana.
The two pilots and eight passengers perished. (10 fatalities)
“It is the opinion of the Investigating Board that the probable cause of this accident was a structural failure of the upper vertical fins and rudders due to flutter which resulted in a loss of control of the aircraft.”