Greenfield

The three people who were killed in a small plane crash Sunday in western Massachusetts were identified Monday as part of a local flight school. State police said the victims were 68-year-old William Hampton, of Indian Orchard, Mass.; 29-year-old Chad Davidson, of Woodstock, Connecticut; and 53-year-old Frederika Ballard, of Southwick, Mass. Ballard was the owner of the Fly Lugu Flight…