( CNN ) -- A charter flight crashed Saturday afternoon in Canada 's Arctic , killing 12 people and injuring three others , officials said . The Boeing 737-200 , en route to Resolute Bay from Yellowknife , went down roughly 10 minutes after its last reported communication , according to First Air , an airline based in Kanata , Ontario . Eleven passengers and four crew members were on board . The three survivors are being transported to the Qikiqtani General Hospital in Iqaluit for treatment , according to the Royal Canadian Mounted Police . One of the adults was reported to be in critical condition . Authorities have located two black boxes at the crash site , which was described as `` widespread , '' police said . The cause of the crash near the Resolute Bay airport was not immediately known . Firefighters , medical teams , police and members of the Canadian military were among the first to respond to the accident , according to Dominique Verdon , a spokeswoman with the Canada Department of National Defence . The Transportation Safety Board of Canada will investigate the crash , she said . CNN 's Stephanie Gallman contributed to this report .
NEW : Two black boxes are found at the crash site . The Canadian safety board will investigate the crash . Three people are injured , one critically . - July 24 : A new report says that a pilot who was flying an Airbus A320 into Toronto International Airport had been drinking and smoking marijuana before taking his plane down on landing in Montreal last month