8 attacks recorded (3 fatal)
| Date | Country | Region | Location | Fatal? | |
|---|---|---|---|---|---|
| May 1st 1911 | USA | Texas | Rockport, Aransas County | N | |
| Jul 1st 1911 | USA | Texas | Texas City, Galveston | N | |
| Jul 16th 1911 | USA | Delaware | Delaware Lightship | N | |
| Sep 17th 1911 | USA | Florida | Pablo Beach, Jacksonville, Duval County | N | |
| Sep 20th 1911 | USA | Florida | Pensacola Bay, Escambia County | Y | |
| Sep 23rd 1911 | USA | Texas | Galveston Ship Channel | Y | |
| Oct 26th 1911 | USA | South Carolina | Off Charleston | Y | |
| Nov 8th 1911 | USA | Florida | Pensacola Bay, Escambia County | N |