The Prachadhipok was a single-seat fighter the second indigenous Thai aircraft design. In 1929 Lieutenant Colonel Luang Neramit Baijayonta designed the aircraft which was named Prachadhipok after His Majesty King Prajadhipok (Rama VII). It was the second Thai designed and built aircraft and the first Thai designed and built fighter now called Fighter Type 5.
Made by Royal Thai Air ForceRoyal Thai Air Force Manufacturing Division.