Turkish Airlines (TK, Istanbul Airport) has, in a regulatory filing with the Istanbul Stock Exchange, stated it has exercised its options with Airbus (AIB, Toulouse Blagnac) for an additional three A330-300 to be delivered in 2015-2016. In January, the Turkish carrier exercised other options for five additional A330-300s for a 2014-2016 delivery. Once all orders have been delivered, the airline's A330-300 fleet will number 33 machines come 2016. Turkish recently firmed up options for three B777-300(ER)s with Boeing (BOE, Washington National).