Continued airworthiness nondestructive testing means such testing specified by the aircraft, engine or propeller manufacturer in accordance with the maintenance data as specified in 145.A.45 for in service aircraft / aircraft components for the purpose of determining the continued fitness of the product to operate safely.
The nondestructive testing functions are carried out by appropriately qualified Level 1, 2 or 3 personnel as defined by the European Standard EN 4179. This European Standard (EN 4179) establishes the minimum requirements for the qualification and certification of personnel performing nondestructive testing (NDT) in the aerospace manufacturing, service, maintenance and overhaul industries.
Any maintenance organisation approved under Part-145 that carries out NDT shall assign Responsible Level 3 to carry out NDT Personnel Qualification and Certification activities. Responsible Level 3 carries out related duties on behalf of employer. If an organisation doesn’t have a Responsible Level 3, these duties can be supplied by another approved outside agency. An outside agency may qualify, but not certify personnel. In all circumstances, the certification responsibility belongs to employer.
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Notwithstanding the general references in EN 4179 to a national aerospace nondestructive testing (NDT) board, all examinations should be conducted by personnel or organisations under the general control of such a board. In the absence of a national aerospace NDT board, the aerospace NDT board of another Member State should be used, as defined by the competent authority. Because of that absence and requirement, NAndtB-TR (Turkish National Aerospace NDT Board) was established by the assistance of sectorial agents in 21th June 2007 by the supervision of DGCA (Directorate General of Civil Aviation).
Turkish Technic is recognised as an Approved NDT Training Center and Outside Agency by NandtB-TR. Turkish Technic has a capability of giving NDT trainings in the five methods listed below:
1. Liquid Penetrant Testing (PT)
2. Magnetic Particle Testing (MT)
3. Eddy Current Testing (ET)
4. Ultrasonic Testing (UT)
5. Radiographic Testing (RT)
