TB-3 Observation
TB-3 now has OPB-1 but for some reason it no longer follows rudder trim instructions when stabilizer is applied. take it off stabilizer and rudder can be shifted. It has the lights for pdi left right but as bombardier if in stabilized mode they dont do anything. neither does rudder trim..I remember in one of the 413 series patches that soviet planes didnt have level stabilizer but they still responded to the command and rudder trim to slightly change course.
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