The 22-year-old stunned even himself by beating
Ranked first in the qualifying round, Han was second after the first jumps, but his second leap earned 120.24 points to make it 250.77 for two jumps, edging final jumper Dashinski by 2.09 points.
Dashinski had to settle for silver and
"I had never thought this would happen," said Han. "I feel like I am in a dream."
"I think the aerials is designed for Chinese and I'm happy to be the one to make it happen," said the acrobat-turned-aerialist, who finished 24th in the 2002 Games and 20th in the 2005 world championships.
The silver medalist was not happy about a high score given to Han's second jump, rated 4.175 out of five in degree of difficulty.
"I feel like I am empty," said the Belarusian. "I thought nobody could win the Olympic Games with a back-lay-double-full-full (jump) but sometimes you are surprised with the jury's judgement."
Han's gold made up for the painful loss by the four Chinese women's aerialists, who conceded the gold to Swiss Evelyne Leu on Wednesday despite their high World Cup rankings.
As fireworks were set off to celebrate the end of Olympic freestyle skiing competition, a loud bang was also heard on Fabio Filzi Piazza, a resident compound only about 500 meters to the south of the Olympic Main Press Center.
It was a controlled explosion on a suspicious car parked at the entrance of the compound after police received a report that the car had been abandoned with engine running.
Police didn't find anything suspicious inside after they blew open the left door of the car and blocked the streets around the compound for three hours.
Police captain Cesario Totaro told swarming reporters that the Italian police should take extra precaution during the Olympics.
In the most stunning victory in the Turin Games so far, Japanese Shizuka Arakawa denied a Russian clean sweep of Olympic figure skating titles as she skated a clean and elegant free skate to win the ladies' top honor.
Arakawa scored 125.32 points for her free skate to make it 191.34 in total, winning
"I cann't believe it," exclaimed Arakawa. "I made a mistake in the program but I could skate with pleasure. I think I will realize that I have won a gold in the next two or three days.
American Sasha Cohen, first after the short program, crashed two of her jumps and had to settle for a silver with 183.36 points.
Russian veteran Irina Slutskaya, a pre-race favorite, took the bronze with 181.44 points following a botched landing, failing to add a ladies' title to the Russian golden collection of pairs, men's singles and ice dancing.
Earlier
In the women's curling final,
Daniela Meuli, the snowboard world champion in the women's parallel giant slalom, gave
Meuli nipped Amelie Kober of
A doping scandal involving Austrians refused to fade, five daysafter Italian police confiscated syringes, medication and a blood transfusion device from Austrian skiers' quarters.
Italian prosecutors met Austrian ski chief Peter Schroecksnadelover the possible use of illegal substances or methods by Olympic athletes.