SL-4 R/B
| Launched | 9 April 1979 |
| Flight ended | 12 April 1979 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 11325 |
| COSPAR ID | 1979-029B |
| Observing |
Launched alongside
SOYUZ 33