2002 Annual Report - Turkish Airlines

2002 • 21technicalThere are two multi-purpose hangars atthe Turkish Airlines MaintenanceCenter at Atatürk Airport. The firstmaintenance complex has a total areaof 51,000 square meters and thesecond has a total area of 80,000square meters. Within these hangars,maintenance services can be providedsimultaneously to two A340, twoA310, five B737 or one B737 and threeRJ aircraft.In 2002, Turkish Airlines generatedrevenue by providing technical servicesto private aviation companies in itsmaintenance base with its ownpersonnel and also through the sale oftechnical materials to both domesticand international customers.A total revenue of US$ 55.3 millionwas earned. Of this amount,US$ 44.7 million was received in returnfor technical service sales,US$ 1.8 million from airline linemaintenance sub-contractor fees,US$ 5.5 million from surplus materialssales and US$ 3.3 million fromwarranty services.Turkish Airlines has received the“Authorized Winglet ModificationCenter Certificate” for installing thewinglet modifications manufactured byAviation Partners Boeing forB737-700/800 aircraft. The firstwinglet modification was carried outon SunExpress’ B737-800 aircraftbetween October 7-10, 2002.Cockpit door reinforcementmodifications were carried out.The Airshow systems of A340 aircraftwere renewed.As of June 10, 2002, the portablecomputer power outlets wereintroduced in the Business Class seatsof A340 aircraft.The first revision of the B737-800aircraft APU’s has been achieved.A total of eleven CF6-80A3 enginesbelonging to IranAir and Cyprus TurkishAirlines, three CF6-80C2 enginesbelonging to Onur Air and one CFM56-3C1 engine belonging to Air Anatolia,were overhauled.