When launching navigation satellites “GLONASS-M” from the Plesetsk cosmodrome in the Arkhangelsk region in the third stage of the carrier rocket “Soyuz 2.1 b” have any emergency situation. This was reported by TASS, citing a source in the rocket and space industry.
The failure occurred on the launch vehicle “Soyuz 2.1 b” before the separation of the upper stage “Fregat”, said the source “Interfax” in the rocket and space industry. “The engine [of the rocket] RD-0124 <…> shut down ahead of schedule”, — he said.
The upper stage “Fregat” successfully been able to bring the satellite into the target orbit at the expense of their engines, due to the fact that the unit worked for a little longer than necessary. “Currently, the state Commission has been studying the causes of the incident,” — said the source TASS.
The carrier rocket “Soyuz-2.1 b” with navigation satellite “GLONASS-M” was launched from the Plesetsk cosmodrome on may 29 at 11:45 GMT. The start was made the combat crews of the Space forces, aerospace defence forces of Russia. This launch of the Soyuz-2.1 b” was the third in 2016. A few hours after the start of the satellite became known that he entered the calculated orbit at the scheduled time.