UNSCHEDULED OUTAGE – Inmarsat I4F1 – All Services Impacted – Update #7

18. April 2023 - 11:04:02 CESTVERÖFFENTLICHTMailversand: 2023-04-18 11:30:06

Inmarsat are currently experi­encing an Ongoing Unplanned Outage on their I‑4 F1 Satellite affecting all L‑Band Services in the Asia-Pacific Region.

Status Unplanned Outage – Ongoing
Network and Service Inmarsat: I‑4 F1 Satellite Asia-Pacific Region

All Services – L‑Band

Start Time 16th April 2023 22:50 UTC
End Time Ongoing
Outage Infor­mation Inmarsat are experi­encing a full service outage on their Inmarsat I‑4 F1 Satellite. 

Inmarsat have advised that this is being treated as a top priority with key technical resources involved. 

Due to the nature of the problem and the complexity of the recovery procedure, Inmarsat expect this to be an extended outage.

Inmarsat engineers have entered into recovery proce­dures to restore services on the Inmarsat I‑4 F1 Satellite, these proce­dures are ongoing. They anticipate reacti­vating the payload at appro­xi­m­ately 14:00 UTC. This will be followed by a sequenced resto­ration of services beginning with Classic Aero. 

We expect a further update from Inmarsat 18th April 2023 at 17:00 UTC.

We will continue to provide further updates as soon as further infor­mation related to the resolution of the outage is provided.

We apologise for any incon­ve­nience this may cause. 

Abbreviations and their meaning

  • Americas I-4 = Satelite responsible for the region of North- and Southamerica
  • APAC = Asia Pacific
  • BGAN = Broadband Global Area Network. Inmarsat service for BGAN devices
  • CDR = Call Detail Record
  • EMEA = Satellite responsible for the region of European Middle East Africa
  • FB or FBB = FleetBroadBand. Inmarsat service for FBB devices
  • GSPS = Global Satellite Phone Service. Inmarsat voice service for IsatPhone
  • IRIS = Remote monitoring and control system
  • SB or SBB = SwiftBroadBand. Inmarsat service for SBB devices
  • TBC = To be confirmed
  • UTC = Universal Time Coordinated

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