TKS VA Test

23 May 1979 00:00 GMT. (Cancelled flight). Program: Almaz. The Proton launch vehicle that shut down on the original LVI-4 launch attempt was undamaged, and just a month later, with a switch of payload, LVI-4 was orbited as Cosmos 1100 and 1101. The pair launched were the 102P/102L twins from LVI-3. One capsule failed when the automatic system suffered an electrical distribution failure and it did not land correctly, spending two orbits in space, while the other landed as planned after one orbit. The launch again successfully demonstrated the reusability of the VA capsule. Plans to launch the upper capsule manned were scrubbed due to the inability to get two consecutive failure-free launches of the Proton/TKS-VA.

• 1979 May 22 - Cosmos 1100  Spacecraft: TKS VA . Payload: TKS VA s/n 102P. Mass: 4,250 kg (9,360 lb). Launch Site: Baikonur. Launch Vehicle: Proton. Duration: 0.0600 days. Perigee: 193 km (119 mi). Apogee: 222 km (137 mi). Inclination: 51.60 deg. Period: 88.60 min.

  The Proton launch vehicle that shut down on the original LVI-4 launch attempt was undamaged, and just a month later, with a switch of payload, LVI-4 was orbited as Cosmos 1100 and 1101. The pair launched were the 102P/102L twins from LVI-3. One capsule failed when the automatic system suffered an electrical distribution failure and it did not land correctly, spending two orbits in space, while the other landed as planned after one orbit. The launch again successfully demonstrated the reusability of the VA capsule. Plans to launch the upper capsule manned were scrubbed due to the inability to get two consecutive failure-free launches of the Proton/TKS-VA.