Boeing 40 crash, Sep 16, 1931 (4 killed), Oakland California
Boeing 40 accident on September 16, 1931 near Oakland California, United States with 4 fatalities.
- Date: September 16, 1931
- Aircraft: Boeing 40
- Location: Oakland California, United States
- Fatalities: 4
- Phase of flight: Takeoff and climb
A Pacific Air Transport Boeing 40 crashed into San Francisco Bay shortly after taking off from Oakland at night, killing all four people on board. The reason for the accident has not been established.