Engineering:Berkut spacesuit

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Berkut Suit

The Berkut (Russian Беркут, meaning golden eagle) is a space suit model developed to be used for extravehicular activity for the Voskhod 2 mission aboard a Voskhod spacecraft on the first spacewalk. It was developed by NPP Zvezda in 1964–1965. It was a modified SK-1 suit. It was only used by the Voskhod 2 crew.


The suit had two pressurization settings, one at 0.27 atmospheres and the other at 0.40 atmospheres (nominal mode).[1] Life support was contained in a back pack, which had a large enough oxygen supply to last for 45 minutes of activity. Movement within the suit was seriously restricted.

  • Name: Berkut Spacesuit
  • Derived from: SK-1 spacesuit
  • Manufacturer: NPP Zvezda
  • Missions: Voskhod 2
  • Function: Intra-vehicular activity (IVA) and orbital Extra-vehicular activity (EVA)[1]
  • Operating Pressure: 400 hPa (5.8 psi)[1]
  • Suit Weight: 20 kg (44 lb)[1]
  • Backpack Weight: 21 kg (46 lb)[1]
  • Total Weight: 41 kg (90 lb)[1]
  • Primary Life Support: 45 minutes[1]


  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Isaac Abramov; Ingemar Skoog (2003). Russian Spacesuits. Chichester, UK: Praxis Publishing Ltd.. ISBN 1-85233-732-X. 

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