Rockwell Aero Commander 500 crash, Nov 4, 1977 (4 killed)
Rockwell Aero Commander 500 accident on November 4, 1977 near La Mercedes La Rioja, Argentina with 4 fatalities.
- Date: November 4, 1977
- Aircraft: Rockwell Aero Commander 500
- Location: La Mercedes La Rioja, Argentina
- Fatalities: 4
- Phase of flight: En route
A Rockwell Aero Commander 500 crashed into a mountain near La Mercedes in La Rioja, Argentina, in circumstances that were not determined. All four occupants were killed.