Captain Crotty was Houston, Texas's second fireboat. Commissioned in 1950, she replaced . She was joined by Houston's third fireboat, in 1973. In 1983, she was retired and replaced by and .
Captain Crotty was long, and built by R.T.C Shipbuilding of Camden, New Jersey. According to Motorboating magazine, she was "highly maneuverable" and built to a "relatively inexpensive" design. She was named after Charles Crotty, who had been assistant director of the port. The name was chosen through a contest. After her retirement, she was sold to Ocean Diving Adventures Incorporated for $50,000.