A small plane carrying only the pilot crashed in the water off a South Carolina beach popular among tourists, officials said.

The single-engine monoplane was flying a banner before falling into the ocean near Myrtle Beach around 11:30 a.m. on Monday, according to a statement from the Federal Aviation Administration. The local fire department is treating the pilot, whose injuries are not immediately known, WCSC-TV reported.

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An eyewitness posted on Facebook that the pilot was conscious and speaking after being taken to shore. The Myrtle Beach Police Department did not immediately respond to a phone call seeking more information.

The FAA and National Transportation Safety Board will investigate.