Operational History
The Yak-27R entered service with the Soviet Air Force in 1960 and was intended to replace the subsonic Ilyushin Il-28 reconnaissance aircraft. However, despite the greater speed and ceiling, it had less range. The YAK-27R also had some operational limitations and supersonic speed was used only by the most experienced pilots. The low position of the engines made them prone to foreign object ingestion from unimproved forward-base runways. With the increasing coverage of anti-aircraft missiles over the European theater of operation limiting high altitude operations, the Yak-27R was often less capable than the Il-28. The Yak-27R was withdrawn from operational service in the early 1970s, and was replaced by the Yak-28R and the Mig-25R.
Read more about this topic: Yakovlev Yak-27
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