Rockwell Grand Commander 680 crash, Jun 7, 1977 (5 killed)
Rockwell Grand Commander 680 accident on June 7, 1977 near Upland California, United States with 5 fatalities.
- Date: June 7, 1977
- Aircraft: Rockwell Grand Commander 680
- Location: Upland California, United States
- Fatalities: 5
- Phase of flight: Takeoff and climb
Shortly after takeoff from Upland Cable Airport in marginal weather, the pilot reported gyro problems and the aircraft crashed into an airport complex. All five people on board were killed and four employees of the complex were injured.