|Manufacturer||Royal Siamese Air Force Manufacturing Division|
|Designer||Lieutenant Colonel Luang Neramit Baijayonta|
|Primary user||Directorate of Air Force, Royal Siamese Army|
In 1929, Lieutenant Colonel Luang Neramit Baijayonta designed the aircraft, which was named Prajadhipok after His Majesty King Prajadhipok (Rama VII). It was the second aircraft designed and built in Siam and the first Siamese designed and built fighter, now called Fighter Type 5.
- Forsgren, Jan. "Aircraft Production in Thailand: Part 2". aeroflight. 20 November 2004. Retrieved 22 February 2011.
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