A Billerica, Massachusetts, firefighter died in a snowmobile crash in New Hampshire on Thursday.
David Silva, 39, of Dunstable was appointed in Jan. 2000, and served as the department SAFE (Student Awareness of Fire Education) and (Senior Awareness of Fire Safety) instructor.
Silva's snowmobile collided with a tree near Stratford Bog in North Stratford.
He was quickly located by his two riding companions. One friend stayed on the scene, while the other rode to a residence in in Columbia, and called for help.
Rescue crews from Groveton, Stratford, and Colebrook all responded to the scene, which was accessible only by snowmobile.
The cause of the crash remains under investigation, but authorities believe that distracted driving played a role. Drugs and alcohol are not considered to be factors in this crash.
Silva was wearing a helmet.