Failed Soviet Zenit-4M high-resolution film-return photoreconnaissance mission from Plesetsk Site 43. The Voskhod launch vehicle failed during ascent on 4 July 1973 and did not place the would-be Kosmos reconnaissance payload in orbit.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 218th
- of 299 Voskhod flights
- Date and time
- 4 July 1973, 10:59 UTC
- Rocket
- Voskhod
- Builder
- RKK Energia
- Launch site
- 43/3 (43L), Plesetsk Cosmodrome, Russian Federation
- Payload
- Government/Top Secret
- Launches in 1973
- 49th of 116