Soyuz ASTP SA

Russian manned spacecraft module. 4 launches, 1974.04.03 (Cosmos 638) to 1975.07.15 (Soyuz 19 (ASTP)). Post-Soyuz 11 modification for crew of two in spacesuits. Reentry capsule.

Analogue sequencer and computers operate spacecraft. Off-line periscopes, no covers on portholes, standard touchdown rockets, and improved parachute. Telemetry: Low rate + one voice, modified for radio communications with Apollo and U.S. ground stations.

Crew Size: 2. Habitable Volume: 4.00 m3. Structure: 1,233 kg (2,718 lb). Heat shield: 300 kg (660 lb). Reaction Control System: 100 kg (220 lb). Recovery Equipment: 370 kg (810 lb). Navigation Equipment: 80 kg (176 lb). Telemetry Equipment: 50 kg (110 lb). Electrical Equipment: 150 kg (330 lb). Communications Systems: 30 kg (66 lb). Crew Seats and Provisions: 100 kg (220 lb). Crew: 144 kg (317 lb). Miscellaneous Contingency: 50 kg (110 lb). Environmental Control System: 150 kg (330 lb). RCS Coarse No x Thrust: 6 X 98 N. RCS Propellants: 40 kg (88 lb).