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Reads Basic Informations should be Basic Information
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The word Visor is not used in this instance, should be replaced with windscreen, glass, or plexiglass.
Reads and behind it, two gas tanks separated by a fireproof bulkhead. Should be and behind it, two fuel tanks separated by a fireproof bulkhead.
Reads The pilot flew the plane by a so-called "Spade-type" control stick (with a gimballed upper section) and rudder pedals. English pedals were "two-stage." Should read The pilot flew the plane by a so-called "Spade-type" control stick (with a gimballed upper section) and rudder pedals. British pedals were "two-stage."
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Reads In the Soviet Union, imported fuel was used, or in its absence, 88 octave leaded petrol 4B-70. Is the fuel quality used in Russia referred to as Octave? If not it should read Octane
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Reads 410 liters had the form of a trough and lied close to the lower wing centersection
Should read 410 liters had the form of a trough and lay close to the lower wing centre section
Reads The main landing gears should read The main landing gear
Reads Network voltage is equal to 12W 12W is a measure of power not of voltage, should read Network voltage is equal to 12V or Network voltage is 12V (better term would be Buss voltage is 12V)
Reads The English gas system should read British gas system but then you would get it confused with British Gas which is a utility provider in the UK ;)
I will continue tomorrow.