Cosmonauts:
    Upload:
       Vladimir A. Dzhanibekov [1], Commander
       Oleg G. Makarov [3], Flight Engineer
    Download:
       Yuri V. Romanenko (Soyuz 26), Commander
       Georgi M. Grechko (Soyuz 26), Flight Engineer
Backup:
    Vladimir Kovalyonok
    Aleksandr Ivanchenko
Launch:
    Date: 10 January 1978
    Time: 12:26 UTC
Landing:
    Date: 16 March 1978
    Time: 11:19 UTC
Duration: 64 days, 22 hours, 53 minutes
Call Sign: Pamir (Pamirs) (upload); Taimyr (download)

The cosmonauts worked in the Salyut 6 space station.