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CERTUS 100/200 GMDSS Service

Maritime Safety Service Application (MSSAF) — Iridium GMDSS — Clase Connected Ltd
CLASECONNECTED · IRIDIUM CERTUS GMDSS

Iridium GMDSS
Service Application

Maritime Safety Service Application Form (MSSAF). Iridium CERTUS GMDSS activation for the LT-4100S and LT-4200S Ship Earth Stations. All sections must be completed and signed before service can commence.

Form ref
CCL_GMDSS_MSSAF_01.25V1
Effective Dec 2025
Clase Connected Ltd
Before you begin. Allow approximately 10 minutes to complete this Maritime Safety Service Application Form. Have your vessel registration documents (MMSI, IMO, callsign, port of registry), your terminal IMEI and SIM/ICCID numbers (if known — we can populate these from Iridium provisioning if you don't have them yet), and an emergency contact reachable in a safety-of-life incident. You will be required to download a copy of your completed application and the Iridium GMDSS Service Terms & Conditions before you can submit. By submitting and signing, you agree to be bound by the Iridium GMDSS Service Terms and Conditions — read or download the full Terms & Conditions here.
SECTION 01

Applicant & Company Information

Required

Who holds the GMDSS service contract? This is the legal entity (company or sole owner) that is registering the vessel for the Iridium Global Maritime Distress and Safety Service. The applicant named here will be the Account Owner and bears responsibility for the accuracy of the information supplied under the MSSAF.

Contact details are used by Clase Connected (Service Provider) and Iridium for service operations, including dispatch of safety-of-life notifications.

SECTION 02

Emergency Contact

If different from applicant

Who do we contact in a maritime safety emergency? This is the named individual that Clase Connected, Iridium, and (via the GMDSS database) Navarea, Metarea, and Rescue Co-ordination Centres (RCCs) will attempt to reach if a distress or safety event involves your vessel.

If the emergency contact is the same person as the applicant in Section 01, tick the “same as applicant” box and these fields will be hidden. Otherwise provide a separate name, phone, and email — ideally someone reachable 24/7 who is independent of the vessel itself.

SECTION 03

Vessel Registration Details

Required

These details are loaded into the GMDSS database and used by Navarea, Metarea, and Rescue Co-ordination Centres (RCCs) to direct safety-of-life notifications to your vessel. Accuracy is critical.

The MMSI is your nine-digit Maritime Mobile Service Identity. The IMO Number is your seven-digit IMO ship identification — required unless your vessel is exempt (most pleasure craft under 300 GT are exempt).

Under MSSAF clause 2.4, you remain solely responsible for keeping this information current, accurate, and complete — including notifying Clase Connected of any subsequent changes.

Leave blank if exempt from IMO numbering (typically vessels under 300 GT).

GT

Maximum number of persons on board including crew.

SECTION 04

GMDSS Terminal & Plan

Plan required · Terminal details may be left blank

Terminal & activation identifiers — the LT-4100S (Ship Earth Station 1) and LT-4200S (Ship Earth Station 2) are Lars Thrane Iridium Certus GMDSS terminals. You may have one (typical) or two (recommended dual-redundancy fit-out). Tick whichever applies and supply the IMEI and SIM/ICCID if you have them already — otherwise leave blank and Clase Connected will populate from Iridium provisioning after order acceptance.

Monthly plan — all five tiers include unlimited GMDSS safety messaging at no marginal cost. The MB allowance is for general-purpose data over the same terminal. Pick the tier most appropriate to your operational data needs. Overage is charged per MB at the rate shown for each tier. All prices are quoted in USD ex VAT; UK customers are invoiced in GBP at the prevailing exchange rate.

DSG (Dynamic Shared Group) allows a fleet operator to pool the monthly allowance across multiple terminals. Included free on the 10MB tier and above, with a 10% incremental surcharge applied to monthly recurring and overage charges.

Terminal(s) installed on this vessel

Iridium Certus GMDSS monthly plan *

Activation fee $219.95 ex VAT (one-time) · Deactivation fee $73.32 ex VAT · All plans 1-month minimum, monthly rolling thereafter.

Select Plan Monthly Allowance Per-MB Overage DSG Monthly Fee (USD ex VAT)
CERTUS GMDSS 0 MB 0 MB (GMDSS only) $18.40 / MB $108.64
CERTUS GMDSS 10 MB 10 MB $10.40 / MB Yes (10% surcharge) $132.64
CERTUS GMDSS 25 MB 25 MB $9.60 / MB Yes (10% surcharge) $236.61
CERTUS GMDSS 50 MB 50 MB $8.00 / MB Yes (10% surcharge) $396.57
CERTUS GMDSS 100 MB 100 MB $6.40 / MB Yes (10% surcharge) $676.50

Telephone call fees (USD ex VAT, applied per-minute on all tiers):

Iridium → PSTN Land/Mobile — $0.48 Iridium → Iridium — $0.33 Iridium → Other Satellite — $14.40 Iridium → Voicemail — $0.33
Service Acknowledgements *
Submission gate
Form complete Copy downloaded T&Cs downloaded Consent given Signed
© Clase Connected Ltd. Unit 2 Mornington Place, Waterberry Drive, Waterlooville, Hampshire PO7 7XX, UK CCL_GMDSS_MSSAF_01.25V1

Application received.

Thank you. Your Maritime Safety Service Application has been submitted to the Clase Connected airtime team. You will receive a confirmation email shortly, followed by an invoice for the $219.95 ex VAT activation fee. Your Iridium CERTUS GMDSS service will be provisioned once Iridium has confirmed activation against your terminal IMEI and the activation fee has cleared.

Reference:

Need to reach us? [email protected] · +44 (0) 2392 247931

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