Cosmonauts:
    Upload:
       Leonid I. Popov [1], Commander
       Valeri V. Ryumin [3], Flight Engineer
    Download:
       Valeri N. Kubasov (Soyuz 36), Commander
       Bertalan Farkas (Soyuz 36) (Hungary)
Backup:
    Vyacheslav Zudov
    Boris Andreyev
Launch:
    Date: 9 April 1980
    Time: 13:38 UTC
Landing:
    Date: 3 June 1980
    Time: 15:07 UTC
Duration: 55 days, 1 hour, 29 minutes
Call Sign: Dnepr (Dnieper) (upload); Orion (download)

This crew worked aboard the Salyut 6 space station.