De Havilland DHC-6 Twin Otter crash, Sep 9, 1974 (5 killed)
De Havilland DHC-6 Twin Otter accident on September 9, 1974 near Puerto Montt-El Tepual Región de Los Lagos, Chile with 5 fatalities.
- Date: September 9, 1974
- Aircraft: De Havilland DHC-6 Twin Otter
- Location: Puerto Montt-El Tepual Región de Los Lagos, Chile
- Fatalities: 5
- Phase of flight: Approach and landing
A Chilean Air Force Twin Otter on a local training flight from Puerto Montt struck treetops on approach to El Tepual in marginal visibility and crashed in a wooded area. Five of the six people on board were killed, and one crew member survived.