Inmarsat-Indian Maritime SATellite is still the sole IMO-mandated provider of satellite communications for the GMDSS.
Availability for GMDSS is a minimum of 99.9%
Inmarsat has constantly and consistently exceeded this figure & Independently audited by IMSO and reported on to IMO.
Now Inmarsat commercial services use the same satellites and network &Inmarsat A closes at midnight on 31 December 2007 Agreed by IMO – MSC/Circ.1076. Successful closure programme almost concluded Overseen throughout by IMSO.
GMDSS services continue to be provided by:
Inmarsat B, Inmarsat C/mini-C and Inmarsat Fleet F77
Potential for GMDSS on FleetBroadband being assessed
The IMO Criteria for the Provision of Mobile Satellite Communications Systems in the Global Maritime Distress and Safety System (GMDSS)
Amendments were proposed; potentially to make it simpler for other satellite systems to be approved
The original requirements remain and were approved by MSC 83
• No dilution of standards
Minor amendments only; replacement Resolution expected to be approved by the IMO 25th Assembly
Inmarsat remains the sole, approved satcom provider for the GMDSS