History of Russian Fly by Wire Analogue FBW = Automatic flight control with flight envelope protection with analogue signals used for basic flight control. Digital FBW = digital FBW with/without mechanical back up with digital signals used for primary aircraft control Fully digital FBW = multiple redundancy digital FBW without any mechanical back up and All parts of the aircraft used to control movement are digitised along with full digital engine control. Analogue Fly by wire The first Soviet aircraft to utilise an analogue fly by wire was the Su-7U-100LDU flown in 1968. This was followed by the T-4 Supersonic Bomber in 1972. The first production fighter to utilise analogue FBW was the T-10S-3 in 1980 that went on to become the Su-27. This was followed by the MiG-29KVP in 1982. There was MiG-31M in 1985. Then the MiG-29M in 1986. This was followed with the Su-33 in ...
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