T-6D Geonguk-Gi (Geon-Guk-Gi) is Korea’s first all-metal aircraft purchased by Korea from Canada in 1950. They fought hard to stop the North Korean army advancing south in the early days of the Korean War, and produced many pilots after the war.
Shortly after ROKAF was established in 1949, ROKAF had only liaison aircraft such as the L-4 and L-5. They could Never stop the KPAAF in case of emergency. Therefore, Korea wanted to receive fighters from the United States, but the United States refused to provide aircraft assistance to Korea and prevented Korea from buying aircraft from the United States. In fact, the US had enough reasons to ban the donation/sale of aircraft to South Korea. This was because South Korea and North Korea were continuously engaged in small-scale battles on the frontlines at the time, and the United States thought that South Korea might invade North Korea due to the South Korean government’s strong anti-communist policy.
After the US ban on aircraft sales, the 「Aircraft Dedication Campaign」 begins. The campaign raised 350 million won, far exceeding the original goal of 200 million won, and purchased 10 T-6Ds and 20 M2 Brownings, 5,000 rounds of ammunition, and a year’s supply of fuel and parts from Canada. These planes were named ‘People’s Contribution Oblation Planes’, which means aircraft purchased by collecting donations from the people. These aircraft were officially called ‘Geonguk-Gi(Founder Aircraft)’ and were given different names from №1 to №10. (Gyotong, Chesin, Gookmin.etc)
When the Korean War broke out, T-6Ds bombed North Korean forces to defend Seoul. Originally, the T-6D had no armed capabilities other than a machine gun, but some aircraft were equipped with pylons that could mount 15kg air bombs of the old Japanese Army Type 92 produced by the Yeongdeungpo Army Arsenal. At that time, the stock of 15 kg bombs was 274 rounds, and they were all used up in one day on June 25th. Later, as the United States aided F-51 Mustangs to South Korea, the T-6D was gradually excluded from combat missions, and was responsible for leaflet distribution, aerial reconnaissance, and pilot training.
In addition to the T-6D, ROKAF operated the T-6F and T-6G, all of which were retired in 1960.
Wing Span: 12.8m
Engine: Pratt & Whitney R-1340 (550hp)
Max Speed: 340km/h
2 × 12.7mm M2 Browning
10 × 15kg Type 92 Bomb
Geonguk №1 ‘Gyotong’
Geonguk №2 ‘Jeonnam-Hakdo’
Geonguk №3 ‘Jeonbuk-Hakdo’
Geonguk №4 ‘Jeonmae’
Geonguk №5 ‘Chungnam’
Geonguk №6 ‘Chesin’
Geonguk №7 ‘Gookmin’
Geonguk №8 ‘Nongmin’
Geonguk №9 ‘Jeonnam’
Geonguk №10 ‘Gyeongbuk’
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국가등록문화재 국민성금 헌납기(T-6 건국기) (國民誠金 獻納機(T-6 建國機)) : 국가문화유산포털 - 문화재청
『North American’s T-6: A Definitive History of the World’s Most Famous Trainer』- Dan Hagedorn
『The Korean People’s air force in the Fatherland Liberation War: Part I』- Duglas C. Dildy