Supplemental Statemet Debris Mitigation Plan

0009-EX-ML-2012 Text Documents

Boeing Company, The

2012-04-19ELS_124940

FCC File No. 0009-EX-ML-2012 Call Sign WC2XVE Supplemental Statement to Eutelsat W3A/Eutelsat 7A Space Debris Mitigation Plan, Rev. 1.2 The design of the Eutelsat 7A spacecraft, fully consistent with end of life (“EOL”) passivation requirements as existed at the time of construction, does not allow passive venting once the spacecraft has been switched-off. Therefore, none of the elements that appear on the Table at page 6 of the Space Debris Mitigation Plan can be vented over time once the spacecraft has been switched-off. Nevertheless, as part of the passivation of the spacecraft during the EOL operations, Eutelsat always makes best-efforts to vent the propellant remaining in the propellant tanks and lines as much as possible. The figures in the last column of the Table on page 6 of the Plan can be considered as worst-case post-passivation remaining mass, after final shut-down of the satellite. In any case, the pressurant tank is isolated just after the completion of the launch and early orbit phase (“LEOP”) operations and it cannot be passivated as part of the EOL operations.


Document Created: 2012-04-19 11:30:43
Document Modified: 2012-04-19 11:30:43
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