PILOT/FIREBOAT Gladding-Hearn Shipbuilding has been a go-to shipyard for generations of pilot associations looking to update their fleets with sturdy and capable launches. That reputation has apparently reached foreign shores. Last fall, the Somerset, Mass., shipyard delivered the 52-by-15-foot Chesapeake-class pilot boat St. George to the Bermuda Department of Marine and Port Services, a longtime partner on new vessels. St.…