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International Mobile Satellite Organization (IMSO)

formerly Inmarsat

Last modified: 2023-11-25 by zachary harden
Keywords: international mobile satellite organization | innarsat | imso | international organizations |
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[International Mobile Satellite Organization flag] image by Zachary Harden, 24 October 2023

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FOTW records the c.2015 new flag and logo of the International Mobile Satellite Organization (IMSO) that I related to the group some years ago. However, as the 2023 photos on the IMSO's website show in relation to the new director-general taking office as can be see here and the current director with the new French ambassador to the IMSO. I looked for the adoption of the new logo and i did not find anything helpful. I would say that this new logo was adopted 2022 to 20023.
Ben Cahoon, 23 October 2023

[The IMSO website] doesn't say when the design was created but in any case the logo was published on their website on September 15, 2023.
Jean-Marc Merklin, 25 October 2023 shows the first instance of the new flag on 6 June 2023.
Zachary Harden, 26 October 2023

IMSO Previous Flags

[International Mobile Satellite Organization flag] (2015 - 2023)image by Rob Raeside, 09 November 2015

I discovered today a new/updated flag of the IMSO (International Mobile Satellite Organization) The flag in the photo behind the new director general shows a white flag with dark blue letters "IMSO" and Below them the stylized knot un UN blue box with the full name of IMSO below it in smaller letters.
Source: "From the Director General, Captain Moin Ahmed"
Ben Cahoon, 09 November 2015

[International Mobile Satellite Organization previous flag] image by Ben Cahoon, 29 May 2008
Flag adopted ca.1990

The flag (as shown as a logo of the current private co Inmarsat can be seen at It is similar to Intelsat where the operations were spun off into a private company and the international organization emerged with a new acronym and a new role supervising the private companies international treaty obligations.
Ben Cahoon, 30 May 2008

Inmarsat (old flag)

[INMARSAT flag] image by Ben Cahoon, 29 March 2008
Flag used between 1979-ca. 1990

I am pleased to confirm that the logo you have attached is indeed our "flag". I attach in two versions. Inmarsat had two different flags - which I will try to locate and send to you - "old logo" [shown here] is the one from 1979 up to around 1990. I will have to scan the interim logo and send it to you. If you need anything else, please let me know.
Jenny Ray
Ben Cahoon, 14 March 2008