Airliners call for review of flight bans

Sanjay Suri , CNN-IBN | Apr 19, 2010 at 12:09pm

They have questioned the need for the unprecedented curbs, which have affected millions of travellers. The airlines carried out test flights which showed no obvious damage after flying through the ash. Officials though are not promising anything just yet.. though some alternate routes have been opened for flights from other continents.