By Xiu Ying, Contributing Reporter
SÃO PAULO, BRAZIL - Struggling carrier Avianca Brasil will not be allowed to take off from Brazil's largest airport (GRU), in Guarulhos, starting Friday, unless it resumes payments for the use of its facilities, the airport operator said in a statement.
Avianca confirms "that it is making payments to guarantee its activities at the airports where it operates."
Avianca Brasil filed for bankruptcy protection in December and . . .