Buhwal-ho

Buhwal, who was in charge of the development, made the aircraft could be excavated in Gyeongsang Technical High School in January 2004. After the excavation, Republic of [Korea Air Force|R.O.K. Air Force] conducted restoration on fuselage frame of the aircraft and the project was completed in october 2004. It was designated by Registered Cultural Property in October 2008. After that, South Gyeongsang Province and Sacheon city conducted "improve-restoration" project and two flyable aircraft were made in June 2011. Restored Buhwal was designated as a National Scientific Heritage in July 2020.