FCC Restricted GMDSS (RG) study materials
FCC Restricted GMDSS (RG) study resources

FCC Restricted GMDSS (RG) study plan

FCC Restricted GMDSS (RG) · Give each week a clear focus.

8 weeks · About 6 hours per week

Week 1

VHF radiotelephony: channel usage, distress/urgency/safety procedures, and Digital Selective Calling (DSC) operations on VHF

  • Map every VHF channel in the A1 operator's working set (6, 9, 12, 13, 16, 70, plus the intership and port operations channels) to its purpose and permitted use, writing the mapping from memory at week's end.

  • Explain in your own words how DSC on channel 70 differs from voice on channel 16, including why channel 70 may never carry voice traffic.

  • Draft a one-page quick-reference card listing the distress, urgency and safety priority calls on VHF voice and the corresponding DSC alert categories.

  • Walk through the sequence for sending a distress alert by VHF DSC followed by voice on channel 16, and identify the point at which you would stop transmitting if an acknowledgement arrives.

Your checkpoint

A hand-written VHF channel and DSC quick-reference card, produced without notes, checked against your source material.

Week 2

VHF radiotelephony: channel usage, distress/urgency/safety procedures, and Digital Selective Calling (DSC) operations on VHF & Distress, urgency, and safety communications: alerting, SAR coordination, and on-scene communications

  • Recite the full distress message structure (MAYDAY, identity, position, nature of distress, assistance required, persons on board, other information) and adapt it to three different casualty scenarios.

  • Distinguish urgency (PAN PAN) from safety (SECURITE) traffic and give three worked examples of each that are realistic for a small vessel in Sea Area A1.

  • Describe how to acknowledge a distress alert received by DSC and how to relay a distress alert when you are not the casualty.

  • Explain the on-scene communications role of the assisting vessel, including silence periods and coordination with a rescue coordination centre or coast station.

Your checkpoint

Three timed distress-message drills written out in full (under 3 minutes each) covering fire, collision and medical evacuation.

Week 3

GMDSS system overview, sea areas A1–A4, and carriage requirements for vessels operating in Sea Area A1 & Distress, urgency, and safety communications: alerting, SAR coordination, and on-scene communications

  • Define Sea Areas A1 to A4 by their radio coverage criteria and state which areas a Restricted Operator certificate covers.

  • List the GMDSS carriage requirements that apply to a vessel operating only in Sea Area A1 and explain the function of each item.

  • Trace the alerting path from a VHF DSC distress alert through the coast station to a rescue coordination centre and back to the on-scene coordinator.

  • Explain the difference between alerting, SAR coordination and on-scene communication, and say which equipment serves each function in A1.

Your checkpoint

A labelled diagram of the A1 distress alerting and SAR coordination chain, with each link annotated in one sentence.

Week 4

VHF radiotelephony: channel usage, distress/urgency/safety procedures, and Digital Selective Calling (DSC) operations on VHF & Distress, urgency, and safety communications: alerting, SAR coordination, and on-scene communications

  • Perform five full simulated distress, urgency and safety exchanges aloud, including correct prowords, phonetic alphabet and numerals.

  • Practise receiving a DSC alert and responding with the correct voice follow-up, including the case where the alert is addressed to your own station.

  • Identify and correct the errors in five deliberately flawed distress transcripts.

  • Explain when to impose radio silence and how to lift it.

Your checkpoint

A 20-question self-test on distress, urgency and safety procedures, scored and reviewed, with every wrong answer rewritten correctly.

Week 5

NAVTEX and maritime safety information (MSI) reception, including MSI broadcast schedules and message categories & Emergency position-indicating radio beacons (EPIRBs) and search and rescue radar transponders (SARTs)

  • State the NAVTEX frequencies, the role of the international and national broadcast schedules, and how to select stations and message types on a typical receiver.

  • Classify NAVTEX message categories by subject and identify which categories may never be rejected.

  • Explain how an EPIRB is registered, activated, tested and stowed, and what a survivor should do after activation.

  • Describe how a SART appears on a ship's radar and on a 9 GHz radar at range, and state the detection range and battery/service-life checks.

Your checkpoint

A comparison sheet covering NAVTEX, EPIRB and SART: what each does, how it is activated, how it is tested, and what its limitations are.

Week 6

Emergency position-indicating radio beacons (EPIRBs) and search and rescue radar transponders (SARTs) & Survival craft portable VHF radiotelephone equipment and two-way on-scene communications

  • Explain the difference between a float-free EPIRB installation and a manual one, and list the pre-voyage checks for each.

  • Describe the operation of a survival craft portable VHF radiotelephone, including its channel limitations, battery type and range, and how it supports two-way on-scene communication.

  • Explain how a portable VHF set, a SART and an EPIRB work together during an abandonment and subsequent rescue.

  • Identify the common user errors that cause false alerts from EPIRBs and DSC equipment, and state how to cancel a false alert.

Your checkpoint

A one-page abandonment communications checklist sequencing EPIRB activation, SART deployment and portable VHF use.

Week 7

Radio regulations, licensing, operator obligations, and watchkeeping/station log requirements applicable to restricted operators

  • Summarise the operator obligations attached to a Restricted Operator certificate: authority to operate, supervision, identification and secrecy of communications.

  • Explain the purpose and required contents of the radio station log, including which entries are mandatory and how long records are kept.

  • Describe the VHF watchkeeping requirements for a vessel in Sea Area A1, including the channel 16 and channel 70 watch and the use of dual watch.

  • List the prohibited transmissions and the penalties framework at a general level, and state the correct procedure for testing a transmitter without causing interference.

Your checkpoint

A model station log page with five realistic entries written correctly, plus a list of prohibited transmissions.

Week 8

Radio equipment maintenance, battery care, and basic fault-finding for GMDSS installations within the restricted operator's scope & GMDSS system overview, sea areas A1–A4, and carriage requirements for vessels operating in Sea Area A1

  • Describe the routine maintenance tasks within a restricted operator's scope: antenna and connector inspection, battery charging regimes for sealed lead-acid and lithium packs, and cleanliness of DSC controllers.

  • Diagnose five common faults (no transmit, weak transmit, no receive, DSC not transmitting, EPIRB test failure) and state the first three checks for each.

  • Explain how to verify battery condition and state of charge without specialist test equipment, and when to escalate to a technician.

  • Complete a full timed mock examination across all eight domains and review every incorrect answer.

Your checkpoint

A fault-finding flowchart for the vessel's VHF/DSC installation plus a completed mock exam with a written review of errors.

Milestones

Week 2: Can deliver a complete MAYDAY, PAN PAN and SECURITE message aloud from memory, each in under 3 minutes, with correct prowords and no prompting.

Week 4: Scores at least 80 percent on the 20-question distress and DSC self-test, and can explain the alerting-to-on-scene chain without notes.

Week 6: Can explain, unprompted, what NAVTEX, an EPIRB, a SART and a portable survival craft VHF each do and how they combine in an abandonment scenario.

Week 8: Scores at least 85 percent on the full mock examination, with no domain below 70 percent, and holds a completed fault-finding flowchart and station log template.