Air Canada pilots head to work as at Pearson International Airport in Toronto on Thursday, March. 8, 2012. Air Canada and its pilots will give negotiations one last try in an effort to avoid having to accept a settlement that would be imposed under recently passed federal legislation. The two sides announced Thursday night that they've agreed to return to the bargaining table for 10 days to try to reach a tentative deal under the guidance of a federal arbitrator.THE CANADIAN PRESS/Nathan Denette