A planned software upgrade of the BGAN RAN to version 8.53 will affect Inmarsat BGAN customers. The details and timeline of the upgrades are given below:

Activity: BGAN RAN 8.53 Software Upgrade

Date of maintenance: Tuesday 7thJuly

Ocean Region: EMEA

Services affected:BGAN

Start ofMaintenance period: 21:00 UTC

End ofMaintenance period: 00:00 UTC

Single or Multiple Outage(s)and duration(s):Single, less than two minutes per terminal

Outage Impact:The terminal could need to reacquire the network

Actions needed by user: Restart the terminal if the terminal will not reacquire automatically

Activity: BGAN RAN switch back to Burum

Date of maintenance: Thursday 9thJuly

Ocean Region: EMEA

Services affected:BGAN

Start ofMaintenance period: 21:00 UTC

End ofMaintenance period: 00:00 UTC

Single or Multiple Outage(s)and duration(s):Single, less than two minutes per terminal

Outage Impact:The terminal could need to reacquire the network

Actions needed by user: Restart the terminal if the terminal will not reacquire automatically

Activity: BGAN RAN 8.53 Software Upgrade

Date of maintenance: Tuesday 14thJuly

Ocean Region: EMEA

Services affected:BGAN

Start ofMaintenance period: 21:00 UTC

End ofMaintenance period: 00:00 UTC

Single or Multiple Outage(s)and duration(s):Single, less than two minutes per terminal

Outage Impact:The terminal could need to reacquire the network

Actions needed by user: Restart the terminal if the terminal will not reacquire automatically

Activity: BGAN RAN 8.53 Software Upgrade

Date of maintenance: Thursday 16thJuly

Ocean Region: EMEA

Services affected:BGAN

Start ofMaintenance period: 21:00 UTC

End ofMaintenance period: 00:00 UTC

Single or Multiple Outage(s)and duration(s):Single, less than two minutes per terminal

Outage Impact:The terminal could need to reacquire the network

Actions needed by user: Restart the terminal if the terminal will not reacquire automatically