Intelsat 10 Modifica

SUPPLEMENT submitted by Intelsat License LLC

Intelsat 10 Modification Application Supplement

2013-08-27

This document pretains to SAT-MOD-20130322-00052 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD2013032200052_1009311

August 27, 2013 Ms. Marlene H. Dortch Secretary Federal Communications Commission 445 12"" Street, S.W. Washington, DC 20554 Re: Supplement Regarding Intelsat 10 Modification Application Call Sign: $2382; File No.: SAT—MOD—20130322—00052 Dear Ms. Dortch: Intelsat License LLC ("Intelsat"), in response to an inquiry from the International Bureau staff, herein supplies the following statement in further support of Intelsat‘s request in the above referenced application for waiver, to the extent necessary, of Sections 25.114(d)(14)(ii) and 25.283(c) of the FCC‘s rules. Intelsat requests the waiver because Intelsat 10 is a Boeing model 601HP spacecraft that is not designed to vent all pressurized systems. Following launch of the Intelsat 10 spacecraft on May 15, 2001, two interconnected helium tanks on Intelsat 10 were permanently sealed from other portions of the propulsion system by firing pyrotechnic valves. This occurred on May 22, 2001. Intelsat 10‘s two interconnected helium tanks have a combined volume of approximately 88 liters. The residual helium in the two—tank system has a mass of approximately 0.170 kg. The current pressure in the helium tank system is approximately 1178.5 kPa. For the reasons set forth in the modification application, Intelsat respectfully requests that the Commission expeditiously grant the application, including the request to waive, to the extent necessary, Sections 25.114(d)(14)(ii) and 25.283(c). Sincerely, (ALC1@O_ Susan H. Crandall Assistant General Counsel Intelsat Corporation Intelsat Corporation 3400 International Drive NW, Washington DC 20008—3006 USA www.intelsat.com T +1 202—944—6800 F +1 202—944—7898

Ms. Marlene H. Dortch August 27, 2013 Page 2 cc: Karl Kensigner Kathyrn Medley Chip Fleming Stephen Duall Jay Whaley


Document Created: 2013-08-27 14:44:23
Document Modified: 2013-08-27 14:44:23
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