TEHRAN / Reuters Iran urged the United States on Sunday to remove remaining obstacles to it buying passenger planes following the lifting of international sanctions and spread out the welcome mat to foreign investors as it seeks to boost its aviation sector. Iran provisionally agreed earlier this year to buy over 200 jets worth $50 billion at list prices …

  WASHINGTON / AP So many people are registering drones and applying for drone pilot licenses that federal aviation officials said they are contemplating the possibility of millions of unmanned aircraft crowding the nation’s skies in the not-too-distant future. In the nine months since the Federal Aviation Administration created a drone registration system, more than 550,000 unmanned aircraft have been …

  Bloomberg A spare battery overheated and created smoke in the cabin of a Delta Air Lines Inc. flight. The plane, a Boeing Co. MD-88, continued to its destination without further problems. Flight 2557 from Norfolk, Virginia, to Atlanta, carrying 143 passengers and five crew members, had just taken off when flight attendants noticed the smoke in the rear section …