米格-21ΠΦ截击机系列米格-21ΠΦ(亦称96号机)在试飞过程中作了一些改进。为了改善大速度时的方向稳定性,加大了腹鳍。另外,还将飞机的空速管移至进气口唇部,修改了座舱盖。 米格-21ΠΦ完成试飞后便投入生产。从1962年底起,米格-21Φ-13便从高尔基城工厂和莫斯科“劳动旗帜”工厂的生产线上撤下。米格-21ΠΦ代替米格-21Φ-13进入苏联空军和防空军服役。1964～1968年生产了米格-21ΠΦ的出口型,首先销往波兰和东德,随后销往华沙条约国的其他国家。 MiG-21ΠΦ interceptor series MiG-21ΠΦ (also known as 96 aircraft) made some improvements during the flight test. In order to improve the direction of stability at high speed, increase the pelvic fins. In addition, the airspeed pipe was also moved to the air intake lip to modify the cockpit cover. MiG-21ΠΦ completed after the test flight into production. From the end of 1962, the MiG-21Φ-13 was withdrawn from the production lines of the Gorky City factory and the Moscow “Labor Flag” factory. MiG-21ΠΦ instead of MiG-21Φ-13 into the Soviet air force and air defense service. 1964 ~ 1968 produced MiG-21ΠΦ export-oriented, first sold to Poland and East Germany, then sold to Warsaw Treaty countries in other countries.