I heard it flew mail from Moscow - Alma Ata and I have seen pictures of it with passengers aboard, in a 3-2 configuration. Looked way more cramped inside than Concorde.
Concorde is a beautiful aircraft but I cannot fathom how the Concordski despite being a near identical copy was so ugly
Anyone else remember the
VC-10-ski? the blatant Russian copy of the VC-10, I think it was the IL-62 though not sure