Black Diamond biplane crash, Dec 19, 1911, Mill Valley Ca...
Black Diamond biplane accident on December 19, 1911 near Mill Valley California, United States with no fatalities.
- Date: December 19, 1911
- Aircraft: Black Diamond biplane
- Location: Mill Valley California, United States
- Fatalities: 0
- Phase of flight: Approach and landing
A Black Diamond biplane lost engine power and made a deadstick landing at Mill Valley, California. No deaths are recorded.