Originally Posted by
Often1
This has nothing to do with a transit visa.
OP and the Russian nationals about which he is so worried, are all entitled to transit without visa for SU to BA at TXL so long as SU transmits passenger data.
But, the real bottom line is that it is irrelevant. A passenger must check his own particulars to determine that he is properly documented for the journey.
It was you who mentioned the transit visa.
Glad to hear a French passport holder can transfer through a German airport without a visa though......