Global Maritime Distress & Safety System (GMDSS)

Reliable Coverage on Unpredictable Seas

Iridium® offers the only GMDSS solution that covers the entire planet—including the Arctic and Antarctic Coast—enhancing safety at sea for professional and recreational mariners alike.

Iridium GMDSS
Iridium GMDSS

Global Maritime Distress & Safety System (GMDSS)

Reliable Coverage on Unpredictable Seas

Iridium® offers the only GMDSS solution that covers the entire planet—including the Arctic and Antarctic Coast—enhancing safety at sea for professional and recreational mariners alike.

Iridium GMDSS rescue

How Iridium GMDSS Works

Upon the press of a button, Iridium® GMDSS-equipped terminals send definitive location and identification information to a Rescue Coordination Centre (RCC). With built-in Safety Voice, crews can speak to an RCC operator within 30 seconds.

Meanwhile, Iridium SafetyCast® proactively delivers navigational and meteorological information, advising the crew of hazards and supporting safety measures.

Iridium GMDSS Services

All Iridium Connected® GMDSS terminals include functionality for all satellite GMDSS services.

  • Distress Alert
  • Activated by the press of a button, distress sends ID, status, and position to RCC

  • Maritime Safety Information (MSI)
  • MSI (Navigational, Meteorological, Safety-Related, Anti-Piracy) is transmitted through an Enhanced Group Call (EGC) service called Iridium SafetyCast®

  • Safety Voice
  • Connect to an RCC and other maritime authorities by phone to share additional details about the distress situation: Priority Calling, Hydrographic Reporting, Medical Assistance

  • Additional Features
  • Distress Alert Relay, Shore-to-Ship Distress Calling, Maritime Assistance, Standard Maritime Calling & Messaging

Iridium GMDSS

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Iridium GMDSS

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Resources

Comparison Chart
Last Updated
Size
Document Name
Iridium Mobile Satellite Services - Comparison Chart
Vendor
Iridium
Description
Chart comparing Iridium Narrowband Services to Iridium Certus Midband and Broadband Services
Related Services
Iridium Certus® 100, Iridium Certus® 200, Iridium Certus® 700, Global Maritime Distress & Safety System (GMDSS), , Iridium Push-To-Talk, Voice Calling, Iridium CloudConnect, Iridium Circuit Switched Data (CSD), Iridium Burst®, Iridium Short Burst Data® (SBD®)
Verticals
Iridium Certus, Land Mobile
Fact Sheet
Document Name
Iridium GMDSS - FAQs
Vendor
Iridium
Description
Frequently Asked Questions related to the Iridium GMDSS Service
Applications
Maritime Safety & Compliance
Related Products
LT-3100S GMDSS System
Related Services
Global Maritime Distress & Safety System (GMDSS)
Verticals
Maritime
Document Name
Iridium GMDSS - Fact Sheet
Vendor
Iridium
Description

Fact Sheet describing Iridium's GMDSS (Global Marine Distress and Safety Systems) Services

Applications
Maritime Safety & Compliance
Related Products
LT-3100S GMDSS System
Related Services
Global Maritime Distress & Safety System (GMDSS)
Verticals
Maritime
Legal Notice
Aug 22, 2018
122.32 KB
Document Name
Iridium - Fair Access Policy
File Name
LGL_Iridium Fair Access Policy_Block 1_v.22_082218(1).pdf
Vendor
Iridium
Description

The Iridium Fair Access Policy applies to all Iridium Services
Dated: August 08, 2018

File Type
PDF
File Size
122.32 KB
File Version
1.0
Version Date
August 22, 2018
Related Services
Iridium Burst®, Iridium Circuit Switched Data (CSD), Iridium CloudConnect, Global Maritime Distress & Safety System (GMDSS), Iridium OpenPort®, Iridium Push-To-Talk, Iridium RUDICS, Iridium Short Burst Data® (SBD®), Netted Iridium®, Voice Calling
Verticals
Corporate
Presentation
Document Name
Iridium GMDSS - AMMITEC Webinar Presentation & Replay
File Name
PR_Iridium GMDSS_AMMITEC Webinar Replay_032421(2).zip
Vendor
Iridium
Description
Zip files contains the AMMITEC Webinar Presentation entitled "The Iridium GMDSS Advantages, Cost, Coverage & Capabilities", as well as the video reply. The event was held on March 24, 2021 and hosted by Kyle Hurst
File Type
ZIP
File Size
102.9 MB
File Version
2.0
Version Date
March 24, 2021
Applications
Maritime Safety & Compliance
Related Products
LT-3100S GMDSS System, C700, SAILOR 4300, VesseLINKTM 700, Vesselink VL-200
Related Services
Global Maritime Distress & Safety System (GMDSS)
Verticals
Iridium Certus, Maritime
Product Details
Document Name
Lars Thrane - LT-3100S GMDSS System - Product Sheet
File Name
PP_Lars Thrane_LT-3100S GMDSS System_Product Sheet_Rev.1.01(2).pdf
Vendor
Lars Thrane A/S
Description

Product Sheet for the Lars Thrane LT-3100S GMDSS System

File Type
PDF
File Size
2.09 MB
File Version
1.0
Version Date
January 10, 2020
Applications
Maritime Safety & Compliance
Related Products
LT-3100S GMDSS System
Related Services
Global Maritime Distress & Safety System (GMDSS)
Verticals
Maritime
Use Cases & Infographics
Document Name
Iridium Certus - Use Case - Maritime - Deep Sea Fishing
Vendor
Iridium
Description
Infographic showing Iridium Certus Maritime Use Cases for Deep Sea Fishing
Applications
Maritime Safety & Compliance
Related Services
Iridium Certus® 700, Global Maritime Distress & Safety System (GMDSS)
Verticals
Iridium Certus, Maritime
Video
Document Name
Iridium GMDSS - Video - What is Iridium GMDSS?
File Name
VID_Iridium GMDSS_What is Iridium GMDSS_4K_121120.mp4
Vendor
Iridium
Description

A one and a half minute overview video explaining Iridium GMDSS in introductory terms.
Dated: December 11,2020
Format: 7MB in Mp4

File Type
MP4
File Size
7.19 MB
File Version
1.0
Version Date
December 11, 2020
Related Products
LT-3100S GMDSS System
Related Services
Global Maritime Distress & Safety System (GMDSS)
Verticals
Maritime
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