document: Ariane 5 launch aborted due to technical hitch BEIJING , Apirl 1 -LRB- Xinhuanet -RRB- - An Ariane rocket launch of two communications satellites was aborted Wednesday after a technical hitch at the scheduled moment of liftoff in French Guiana on Wednesday . The Ariane 5 ES V200 lifts off from the European Space Agency -LRB- ESA -RRB- launch centre in Kourou , French Guiana , February 16 , 2011 -LRB- Xinhua / Reuters FilePhoto -RRB- According to Arianespace , the Ariane 5 rocket 's Vulcain main engine ignited as scheduled at 5:45 pm EDT -LRB- 21:45 GMT -RRB- , but the checkout process during ignition detected an unspecified anomaly , shutting down the engine before the two solid-rocket boosters ignited . The 165-foot -LRB- 50-meter -RRB- tall Ariane 5 rocket 's main engine 's checkout process '' `` was not completed successfully , preventing the boosters ' ignition and thereby aborting the mission , '' '' Arianespace officials said . '' `` The Ariane 5 and its two payloads remain in a safe mode on the launch pad . '' '' The Ariane 5 rocket uses a Vulcain 2 first stage engine assisted by two solid rocket boosters to launch satellite payloads into orbit . The Vulcain 2 engine is fueled by cryogenic liquid hydrogen and liquid oxygen and is designed to burn for about 600 seconds to boost payloads into space . Jean-Yves Le Gall , Arianespace president , said it would return the rocket to the final assembly building to prepare it for another launch attempt while investigating the cause of the problem . No new launch date was immediately announced . The Ariane 5 was to launch the Yahsat Y1A and Intelsat New Dawn communications satellites .
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