TDAâs 125,000 sq.ft. HQ is strategically located only a wingspan away from Amsterdam Airport in The Netherlands. With satellite offices and warehouses at London Gatwick, Miami and Singapore, TDA guarantees on-time, 24/7 delivery of routine and AOG spares requirements worldwide. TDA focuses on the supply, loan, exchange and repair of high quality commercial aircraft components at a competitive price and turn-around-time. In addition to stock consisting of over 500,000 parts TDA offers complete Boeing, Airbus and Regional aircraft fleet support. With an increasing number of Teardowns. TDA continues to expand their inventory of B737NG and A320 family material, to support global trending requirements.