Failed Kosmos-2I (11K63) launch from Kapustin Yar LC-86/4 carrying a DS-P1-Yu radar calibration/target satellite. Second-stage malfunction about 133 seconds after liftoff prevented orbit; the payload never received a Kosmos designation.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 74th
- of 126 Kosmos 11K63 flights
- Date and time
- 5 March 1971, 08:15 UTC
- Rocket
- Kosmos 11K63
- Builder
- Yuzhmash
- Launch site
- 86/4, Kapustin Yar, Russian Federation
- Payload
- Government/Top Secret
- Launches in 1971
- 21st of 133