On March 16, 2018, about 1445 eastern daylight time, a Cessna 210M, N761DV, sustained substantial damage during a forced landing after a total loss of engine power near Shelburne, Vermont. The commercial pilot was not injured. The airplane was registered to and operated by GV Air, Medford, Oregon, as a Title 14 Code of Federal Regulations Part 91 aerial observation flight. Visual meteorological conditions prevailed, and no flight plan was filed for the flight that originated at the Burlington International Airport (BTV), Burlington, Vermont, about 1140.The pilot stated that he conducted a preflight inspection of the airplane but did not visually check either fuel tank because he had observed the airplane being fueled the day before and he assumed the tanks were full (44.5 gallons usable per tank, 89 gallons total). The pilot said that the airplane burned about 13.5 gallons per hour and had a total fuel endurance of 6.5-hours, which was sufficient for his planned aerial survey flight of 5-hours. The pilot said he departed on the left tank and his normal routine was to switch fuel tanks every hour for the first 4 hours of flight. At 1435, almost 3 hours into the flight, with the fuel selector on the left tank, the engine abruptly stopped producing power. The pilot pushed the mixture control full forward and turned the fuel pump on. He then switched the fuel selector to the right tank and attempted to re-start the engine, but was unsuccessful , and he made a forced landing on a snow-covered field. The airplane came to rest upright and the nose wheel had separated, which resulted in substantial damage to the fuselage, an engine mount, and the firewall. The outboard section of the right wing was also damaged. Postaccident examination of the airplane revealed the left and right-wing fuel tanks were undamaged and both fuel caps were secure. The left-wing fuel tank was empty, and about 33 gallons of fuel were drained from the right tank. Further examination of the fuel system revealed no evidence of leaks and there was no staining on the airplane or area surrounding the airplane. Visual examination of the engine revealed no mechanical deficiencies. The pilot held a commercial pilot certificate with ratings for airplane single-engine land and instrument airplane. He reported a total of 521 hours of flight experience, of which, 65 hours were in the same make and model as the accident airplane. His last Federal Aviation Administration (FAA) second-class medical certificate was issued on November 18, 2017. Weather reported at BTV at 1454 was wind from 290° at 11 knots, visibility 10 miles, scattered clouds at 3,600 ft, overcast clouds at 7,000 ft, temperature -3° C, dewpoint -12° C, and a barometric pressure setting of 29.69 inches Hg.