Cosmonauts:
    Upload:
        Vladimir V. Kovalyonok [2], Commander
        Aleksandr S. Ivanchenkov [2], Flight Engineer
    Download:
        Valeri F. Bykovsky (Soyuz 31), Commander
        Sigmund Jaehn (Soyuz 31) (GDR)
Backup:
    Vladimir Lyakhov
    Valeri Ryumin
Launch:
    Date: 15 June 1978
    Time: 20:16 UTC
Landing:
    Date: 3 September 1978
    Time: 11:40 UTC
Duration: 79 days, 15 hours, 24 minutes
Call Sign: Foton (Photon) (upload); Yastreb (download)

The cosmonauts worked in the Salyut 6 space station. During a spacewalk on 29 July, a meteor passed below Kovalyonok and Ivanchenkov. They were blinded for several seconds.