July 09, 2013 14:28
Proton-M crash was due to human error - source (Part 2)
MOSCOW. July 9 (Interfax-AVN) - The crash of a Proton-M rocket shortly after take off on July 2 was due to a human error, a source close to experts probing the accident told Interfax-AVN.
"The angular velocity sensors were wired up with the wrong polarity. Therefore, the rocket was orientated incorrectly," he said.
A Proton-M carrier rocket with three GLONASS-M satellites blasted off from Site 81 at the Baikonur cosmodrome on July 2. It veered off trajectory shortly after launch, exploded and fell apart. The wreckage came down not far from the launch site.
The project to make the rocket and three GLONASS satellites, and to prepare their launch cost Russia about 4.4 billion rubles.
Launch services with the use of Proton-M rockets and Briz-M upper stages are provided by the ILS company. Proton-M rockets and Briz-M upper stages are manufactured by the Khrunichev space center.
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