The scope of the Airbus SA Sec-18 Program is to manufacture upper, lower, left and right panels of section 18 of the fuselage for A320 family aircrafts with the loose items which will be used at the next assemblies.

The contract was signed in 1998 and first delivery achieved in year 2001. Sole source agreement was signed in June 2011 between TAI and Airbus which leads TAI to become sole source from July 2014 and on.