The Technical Department (DT) is committed to deliver products and services with
uncompromising safety and the highest quality, together with sustainable environmental friendly
standards. The products and services delivered shall:

             - Meet all Aviation Authority requirements and regulations;
             - Accomplish in the manufacturer Maintenance Program including the current approved   
               or accepted instructions;
             - Comply with applicable legal requirements and other requirements related to
               environmental aspects, occupational health and safety;
             - Common to the Alliance safety and environment standard;
             - Fulfill the wishes and expectations of the customers, and;
             - Pose as least environmental impact as the available technologies can facilitate.

In order to achieve this objective, the management of the Technical Department has adopted
the quality assurance system based on requirements of THAI DCA, FAR 145, EASA Part 145,
MAR 145, GCAA 145, ISO 9001:2000 and ISO 14001:2004 as integral parts of the Technical
Department management system.

The Technical Department ensures continuous quality improvement and sustainable environmental management by:

             - Regular review of quality and environmental objectives and targets.
             - Surveying and communicating with the customers to ensure that their changing need,                which shall always be considered as criteria to establish quality objective and targets                are fulfilled.
             - Implementing effective corrective and preventive action against; non-conformity; trends                that the quality performance is deteriorating; customers’ complaints; and diminishing
               customer satisfaction.
             - Deployment of Six Sigma on a system-wide basis.

In the Technical Department, safety, quality and environmental care are the most essential
qualities of the activities, products and services that all personnel shall consistently strive to
maintain. It is the responsibility of all personnel to take immediate action to eliminate any
factors, which might compromise these standards. Our commitment extends from the
management to all personnel within THAI Technical Department.

Tummasak Chutiwong
Managing Director, Technical Department
Thai Airways International Public Co.,Ltd.
01 September 2006