Sk-27 Flanker-D2

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The Skira Sk.27 (Formerly Sk-27) (Yuktobanian: Скира СК.27; Osean reporting name: Flanker-D2) is a twin-engine supermaneuverable fighter aircraft developed from the Sukhoi Su-27 designed by Skira. It was intended as a direct competitor for the large Osean fourth-generation fighter McDonnell Douglas F-15 Eagle and as an advanced and upgraded Su-27, with 4,279-kilometre range, heavy aircraft ordnance, sophisticated avionics and high maneuverability. The Sk-27 was designed for air superiority missions, and subsequent variants are able to perform almost all aerial warfare operations.

The Sk-27 entered service with the Erusean Air Force in 2001. The primary role was long range air defence against Osean SAC Rockwell B-1B Lancer and the advanced Boeing B-52H Stratofortress bombers, protecting the Yuktobanian coast from aircraft carriers and flying long range fighter escort for Yuktobanian heavy bombers such as the Tupolev Tu-95, Tupolev Tu-22M and Tupolev Tu-160 with better capabilities. The Sk-27 can also used for SEAD missions by the Kh-31 anti-radiation missile and high maneuverability to evade anti-air missiles.

The Sk-27 was developed into a family of aircraft like its original version these include the Sk.30, the Sk.33, the Sk.34 strike/fighter-bomber variant, and the Sk.35 improved air superiority and multi-role fighter and finally the Sk.37 Decimator-B.

Development[]

In 1989, Erusea learned of the Osean Air Defense Force's "F-X" program, which resulted in the F-15EX Eagle II. The Erusean leadership soon realized that the new Osean fighter would represent a serious technological advantage over the three main Erusean fighters, the Sukhoi Su-27, the Shenyang J-11 and the MiG-29 Fulcrum. "What was needed was a better-balanced fighter with both good agility and sophisticated systems." In response, the Erusean General Staff issued a requirement for a new fighter. Like the Su-27, specifications were extremely ambitious, calling for long-range, good short-field performance (including the ability to use austere runways), excellent agility, Mach 2+ speed, and heavy armament. The aerodynamic design for the new aircraft was largely carried out by Skira in collaboration with the Sukhoi design bureau.

The Skira design, which was altered progressively to reflect Erusean awareness of the F-15EX's specifications, emerged as the Y-10 (Skira's 10th design), which first flew on 20 May 1997. The aircraft had a large wing, clipped, with two separate podded engines and a twin tail. The 'tunnel' between the two engines, as on the F-14 Tomcat, acts both as an additional lifting surface and hides armament from radar.

The Sk-27 has many upgrades from the Su-27, with better avionics, capability to carry more weapons because able to carry the Kh-29 and Kh-31 air-to-surface missile, slightly better maneuverability, longer range, more powerful engines and can carry more fuel.

The Sk-27 is a perfect replacement for the aging MiG-29 Fulcrum, while continue to serve as one of the main aircrafts of many countries along with the original Su-27 and the lighter Mikoyan MiG-35.