> 1972 March 31 - . 04:02 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Molniya 8K78M. FAILURE: The escape stage

> 1972 March 31 - . 04:02 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC31. LV Family: R-7. Launch Vehicle: Molniya 8K78M. FAILURE: The escape stage Block L's engine cut off 125 seconds after ignition due to timer failure.. Failed Stage: U. http://www.astronautix.com/v/venera.html http://www.astronautix.com/v/venera.html via https://www.thespacereview.com/article/4384/1 https://www.thespacereview.com/article/4384/1 via Wikipedia article on the probe.