Reacting to the Mangalore aircrash, aviation experts have raised questions over air safety norms observed by airlines in the country.<br/><br/>Founder President of the Federation of Indian Pilots Captain MR Wadia said that successive Governments in the country have been stressing on having independent air safety boards to prevent accidents but the Directorate General of Civil Aviation (DGCA ) till date doesn't have any such mechanism in place.<br/><br/>Referring to the bad weather over the Mangalore airport, Air Force's former flight safety in-charge Air Marshal A K Singh (retd) said, he is not aware whether Air India has any policy like that of international airlines, which encourages pilots to deviate from their route even if the weather is marginally bad .