Carried a Tselina-2 signals-intelligence satellite (no. 21) from Baikonur; the launch failed when a structural strut in the first stage gave way about 48 seconds after liftoff, and the booster crashed downrange.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 28th
- of 35 Zenit-2 flights
- Date and time
- 20 May 1997, 07:07 UTC
- Rocket
- Zenit-2
- Builder
- Yuzhmash
- Launch site
- 45/1, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Government/Top Secret
- Launches in 1997
- 26th of 89