The 96-foot Timberwind in Portland Harbor on Friday. Portland Schooner Co. will offer two-hour day and sunset cruises. Staff photo by Derek Davis A two-masted schooner that was built in Portland Harbor 87 years ago and served as the city’s pilot boat for nearly four decades has returned home. The 96-foot Timberwind sailed down the coast Friday morning from Belfast to Portland. It could start offering harbor cruises and charter trips as soon as next weekend, said Michelle Thresher, who with her husband, Scott Reischmann, owns Portland Schooner Co., the Timberwind’s new owner. “We had been thinking about expanding for the last couple years and when this opportunity came up, we just figured this is where the boat needs to be,” Thresher said Friday. The Timberwind had been owned by Maine Day Sail of Belfast since 2015.