Sukhoi the JSC Sukhoi Design Bureau and the JSC Sukhoi Civil Aircraft, located in Moscow, the Novosibirsk Aircraft Production Association (NAPA), located in Novosibirsk, and the Komsomolsk-on-Amur Aircraft Production Association (KnAAPO), located in Komsomolsk-on-Amur. Sukhoi is headquartered in Moscow. Finmeccanica (since 2017, Leonardo) owns 25% + 1 share of Sukhoi's civil division. The Russian government merged Sukhoi with Mikoyan, Ilyushin, Irkut, Tupolev, and Yakovlev as a new company named United Aircraft Corporation in February 2006. Mikoyan and Sukhoi were placed within the same operating unit. In September 2007, Sukhoi launched its first modern commercial regional airliner—the Superjet 100 (SSJ 100), a
Sukhoi-Gulfstream S-21 speeds. As of 2012, the project had not received any funding for the 2013-2025 development period and appeared to be cancelled. Sukhoi-Gulfstream S-21 Sukhoi-Gulfstream S-21 was a projected Russian-American supersonic business jet. In the early 1990s, Gulfstream Aerospace and the Sukhoi Design Bureau began a joint effort to develop a supersonic small business jet, code named the S-21. Due to questionable market demand for commercial supersonic air travel, commitment to the project weakened and delays mounted. Gulfstream eventually dissolved the partnership, although Sukhoi continued work on the S-21. The S-21 would be capable of sustained cruise at Mach 2+ and