De Havilland DHC-6 Twin Otter crash, Sep 9, 1978 (19 killed)
De Havilland DHC-6 Twin Otter accident on September 9, 1978 near Mexico City Federal District of Mexico City, Mexico with 19 fatalities.
- Date: September 9, 1978
- Aircraft: De Havilland DHC-6 Twin Otter
- Location: Mexico City Federal District of Mexico City, Mexico
- Fatalities: 19
- Phase of flight: En route