in november 1911, "tb 115" was a tender to the torpedo school hms "actaeon". three of the ships ("tb 114", "tb 115" and "tb 117") were part of the nore torpedo boat flotilla and manned with nucleus crews in february 1913, with "tb 116" part of the portsmouth flotilla. "tb 114", the senior officer's boat of the nore flotilla, collided with on 1 april 1913, with "tb 114" being badly holed and under repair at hmnb chatham for 14 days following the accident.