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Oxygen System Failure in Flight

1. In case of an Oxygen System failure while at high altitude (symptoms of hypoxia and wrong M-2000 and IK-18 instruments readings) operate the DU-2 oxygen control panel and put the oxygen mixture setting in the 100% position.

2. Descend the aircraft below 2,000 meters altitude and depressurize the canopy.

3. Return the oxygen level switch to the MIX (СМЕСЬ) position.

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