The date for the migration of Classic Aero, Fleet 77, Swift 64 and Inmarsat C services (to include Aero C and Mini C) from the Pacific Ocean Region (POR) I-3 satellite to the Asia/Pacific (APAC) I-4 satellite is now confirmed. This migration is scheduled to take place on 03 July 2018 at 06:00 UTC.
Our primary objective is to ensure that the transition process is as seamless as possible for our partners and customers.
The transition of services from the I-3 fleet onto our I-4 constellation will continue throughout 2018 and will take approximately nine months to complete. Our approach is to migrate all services (Classic Aero, Fleet 77, Swift 64 and Inmarsat C), satellite by satellite, as per the schedule shown in the table below.
|I-3 to I-4 migration||Schedule|
|Atlantic Ocean Region West (AORW) I-3 to Americas (AMER) I-4||Classic Aero, Fleet 77 and Swift 64 services – migration successfully completed on 03 May 2018
Inmarsat C services (to include Aero C and Mini C) – migration successfully completed on 09 May 2018
|Pacific Ocean Region (POR) I-3 to Asia/Pacific (APAC) I-4||Classic Aero, Fleet 77, Swift 64 and Inmarsat C services (to include Aero C and Mini C) – to be migrated on 03 July 2018 at 06:00 UTC|
|Atlantic Ocean Region East (AORE) I-3 F2 moved to I-3 F5||End Q3 2018|
|Indian Ocean Region (IOR) I-3 to Alphasat EMEA I-4||End Q4 2018|
Due to the move from the I-3 to the I-4 satellites, the coverage areas will change and users will need to ensure that their devices are pointed to the relevant satellite. This process will generally be managed automatically by the terminal without the need for user intervention. However, in some instances, users will need to manually repoint their devices to the appropriate satellite.
Each migration step will cause a short outage while services are moved onto the I-4 satellites. Under supervision of the International Mobile Satellite Organisation (IMSO), the Global Maritime Distress Safety System (GMDSS) and Maritime Safety Services will be closely monitored during the migration, as will the Classic Aero Safety Service. These safety services will be restored first with the highest priority.
Final dates for the transition of services from AORE and IOR will be confirmed approximately six weeks prior to the start of each migration to the corresponding satellite.
We will continue to communicate with you throughout the planning and execution phases of the migrations, providing additional details as and when necessary.
If you have any questions or concerns, please contact your Inmarsat representative, who will be able to assist.
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