Douglas C-54 Skymaster crash, Feb 17, 1956 (40 killed), M...
Douglas C-54 Skymaster accident on February 17, 1956 near Mt Sunol Ridge California, United States with 40 fatalities. Cause: Pilot error.
- Date: February 17, 1956
- Aircraft: Douglas C-54 Skymaster
- Location: Mt Sunol Ridge California, United States
- Fatalities: 40
- Phase of flight: Approach and landing
- Cause: Pilot error
A US Marine Corps transport flight from MCAS El Toro to NAS Alameda struck a canyon wall near Niles Canyon, California, on 17 February 1956 while descending in marginal weather. The aircraft broke up and burned. All 40 people on board, 35 Marines and 5 crew, were killed.