Mikoyan-Gurevich MiG-17PF, part two, European Users

The Mikoyan-Gurevich MiG-17PF is a high subsonic fighter produced in the USSR from 1954 until 1956, and until 1960 in Poland. It was a regular MiG-17F equipped with an Izumrud RP-2 radar placed in a radome at the frontal air intake of the aircraft. It was powered by the Klimov VK-1F engine which had a thrust power of 5046 lb and was armed with three cannons; two 23 mm Nudelman-Rikhter NR-23 autocannon and one 37 mm Nudelman N-37 placed in the nose under the engine. It had two pylons with a capacity of up to 500 kg in stores with provisions to carry a combination of rockets or bombs, but most of them carried additional external fuel tanks. It was exported to most of Warsaw Pact countries:

• Hungary: In 1954 a batch of MiG-17PF was delivered to the Hungarian Air Force. They served 1974 when they were replaced by more modern types.
• Romania: Just like Hungary, Romania got a batch of PFs in 1954. They were kept in active for a long period of time as some of them were still active in the late 1980s when communism fell in Romania. 
• USSR: The MiG-17PF served alongside the MiG-17F in the Soviet Air Defence Forces from the mid-1950s until the late 1960s when they were serving alongside more modern types. They were gradually replaced by more modern types.

Sources:

1. en.wikipedia.org/wiki/Mikoyan-Gurevich_MiG-17

2. https://en.wikipedia.org/wiki/Soviet_Air_Defence_Forces

3. https://en.wikipedia.org/wiki/Romanian_Air_Force

4. https://en.wikipedia.org/wiki/Hungarian_Air_Force

5. https://www.valka.cz/Mikojan-Gurevic-MiG-17PF-kod-NATO-Fresco-D-t44624

6. Salamander Books - The Complete Book of Fighters