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Progress PAO
Part of Soyuz
Russian manned spacecraft module. 43 launches, 1978.01.20 (Progress 1) to 1990.05.06 (Progress 42). Derived from Soyuz 7K-OK basic PAO service module with pump-fed main engines and separate RCS/main engine propellant feed system. Equipment-engine section.

AKA: Priborno-agregatniy otsek. Status: Operational 1978. Thrust: 4.09 kN (919 lbf). Gross mass: 2,654 kg (5,851 lb). Unfuelled mass: 2,154 kg (4,748 lb). Specific impulse: 282 s. Height: 2.26 m (7.41 ft). Diameter: 2.15 m (7.05 ft).

Solar panels deleted and spacecraft powered by batteries only.

RCS Coarse No x Thrust: 14 X 98 N. RCS Fine No x Thrust: 4 X 98 N. RCS Coarse Backup No x Thrust: 8 x 10 N. RCS Fine Backup No x Thrust: 4 x 10 N roll. Electric System: 50.00 kWh. Electric System: 0.50 average kW.

Family: Manned spacecraft module. Country: Russia. Spacecraft: Progress. Propellants: Nitric acid/Hydrazine.
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