News published by Anadolu Agency (AA) on April 28, 2020, shared information and images related to the activities carried out within the scope of the ERCİYES Avionics Modernization Project Serial Production Phase, performed by Turkish engineers and technicians at the 2nd Air Maintenance Factory Directorate (HBFM) in Kayseri.  The images featured the modernization activities conducted on C-130 Hercules Military Transport Aircraft, with the tail numbers 608, 609 and 991, painted in Turkish Stars colors.

In his statement to the AA correspondent, the 2nd HBFM Factory Level Maintenance and Repair Manager Aeronautical Engineer Lt. Col. Süleyman ERBİL noted that the maintenance of the C-130B/E Hercules Aircraft is carried out every 6 years at the 2nd HBFM facilities, and the maintenance activities that are completed in 120 working days under normal conditions can take 6 months to 1 year, depending on the aircraft's condition.