UPDATE 1-Brazil's Gol estimates positive operating income in 2015
March 30, 2015 at 20:41 PM EDT
SAO PAULO, March 30 (Reuters) - Brazilian airline Gol Linhas Aereas SA expects positive operating income in 2015 and an operating margin (EBIT) of between 2 and 5 percent, the company said in a securities filing on Monday.