Wave – The Seafarers’ Digital Wallet

Tag: Seafarer Documents

  • CDC Document Requirements for Seafarers: What to Check Before Applying

    CDC Document Requirements for Seafarers: What to Check Before Applying

    Before you gather documents for a CDC application, answer two questions: which authority issues it, and what type of application are you making?

    A joining instruction can arrive with little notice. If your discharge book is full, missing, damaged, or showing details that no longer match your other records, resolving the issue can take longer than expected.

    But there is no universal list of “CDC document requirements” that applies to every seafarer. A Continuous Discharge Certificate, discharge book, or seaman’s book is issued under the rules of a particular administration. The evidence needed for a first issue may differ from what is required for a continuation, replacement, or correction.

    The practical starting point is to identify the document and issuing authority, then follow its current application instructions.

    Identify the Document and Issuing Authority First

    Terms such as CDC, discharge book, and seaman’s book are used in different countries and workplaces. They should not be treated as a promise that every document has the same purpose, eligibility rules, or application process.

    Check the exact name used by the issuing administration. Then establish whether you are applying for a new document, continuing a completed book, replacing a lost or damaged one, or correcting personal details.

    First check: Find the issuing authority’s current application page and form. Use its checklist for your specific application type rather than a document list copied from another flag or country.

    For example, the UK Maritime and Coastguard Agency provides separate selections for a discharge book’s first issue, continuation, and replacement in its official application guidance. Other administrations may use different categories and requirements.

    The Application Type Changes the Checklist

    Before assembling a file, look at what the authority asks for in your situation. Depending on the administration and application, the instructions may address:

    • Proof of identity and eligibility
    • Photographs that meet the required specifications
    • An existing CDC or discharge book
    • Evidence supporting a correction or change of name
    • A loss or damage declaration for a replacement
    • Required forms, fees, and delivery arrangements

    This is a guide to questions you should check, not a substitute for the issuing authority’s checklist. Do not assume that sea-service letters, training certificates, or a medical are required for every first application simply because they are commonly requested elsewhere in a seafarer’s career.

    Check Identity Details Before Submission

    Compare your name, date of birth, and other identifying details with the records the application asks you to provide. Check spelling, name order, and any recent changes before sending the form.

    If your name or another detail has changed, use the authority’s stated correction process and provide the evidence it requires. A clear, current copy of your existing documents helps you spot a discrepancy early, but the issuing authority decides how an official record can be amended.

    Do not guess or silently edit a record. If an official entry appears wrong, ask the issuer or responsible company how to correct it. Keep the original evidence while the question is being resolved.

    Keep Sea-Service Evidence Behind the Entries

    A discharge book can form an important part of your service history. Keep readable copies of completed pages and identify the evidence behind each assignment, such as a certificate of discharge or a company sea-service letter where applicable.

    For your personal record, capture each service period separately: vessel name, IMO number where available, rank or capacity, and sign-on and sign-off dates. Add vessel particulars and duties when they matter to a later application. Check those details against the issued documents instead of reconstructing them from memory.

    If a book is lost or becomes full, copies can help you review your own history while following the authority’s replacement or continuation process. Personal copies do not replace an official entry or independent verification.

    Our Sea Service Tracker guide explains how to keep individual assignments and their supporting evidence organized.

    Separate CDC Requirements From Joining Requirements

    The documents needed to obtain or replace a CDC are not necessarily the same documents required to join a vessel. Crewing may also ask for a passport, medical certificate, Certificate of Competency, flag-state endorsement, STCW training, visa, or other assignment-specific evidence.

    Keep two checks separate:

    CDC application: What does the issuing authority require for this application type?

    Next assignment: What does the employer, vessel, flag, and route require before joining?

    A CDC records important career information, but it does not by itself confirm that every qualification is current or accepted for a particular role. Likewise, a personal scan of a document is useful for preparation but may not satisfy a requirement for an original or officially issued electronic record.

    Prepare for Loss, Damage, or a Full Book

    If your document is nearly full, check the continuation process before the last available pages are used. If it has been lost or damaged, look up the replacement instructions promptly. The authority may ask for a different form, declaration, evidence, or treatment of the previous book.

    Keep copies of completed pages while the book is in your possession. Make sure names, vessel entries, dates, signatures, and stamps are readable. Store those copies carefully because they contain personal information and a detailed employment history.

    Build a Personal Record You Can Actually Use

    You do not need to wait for an application to organize your records. After each sign-off, confirm the service dates and rank, save the supporting document, and update your vessel history. When a certificate or identity document is renewed, make the current version easy to identify.

    Before travelling, check that you can open the specific records you may need without an internet connection. Offline access helps you inspect information at sea; sending it to an authority or crewing office still requires a connection or another accepted method.

    Keep the evidence of your career close at hand.

    Wave – The Seafarers’ Digital Wallet helps you organize document copies, monitor recorded expiry dates, maintain vessel-level sea-service history, search your records, and prepare information for export in an offline-first app.

    Download Wave for iOS or Android

    When a CDC application or joining request arrives, start with the exact requirements of the organization asking. A current personal record helps you find the right details and evidence quickly, check them against the originals, and respond without rebuilding your sea career under pressure.

  • GMDSS Certificate for Seafarers: GOC, ROC and What to Check Before Joining

    GMDSS Certificate for Seafarers: GOC, ROC and What to Check Before Joining

    GMDSS • GOC • ROC

    Your certificate says GMDSS. Does it match your next vessel?

    Before joining, check the qualification you hold, any associated endorsement, and the radio duties you will actually perform.

    You are preparing to join a vessel and crewing asks for your GMDSS certificate. You find a copy in your records—but is it a GOC or an ROC? Is there a separate endorsement to check? And does the qualification match the vessel’s operating area and the radio duties you will perform?

    These questions matter more than simply having a file labelled “GMDSS.” Before joining, you need to identify the exact qualification you hold, check the documents issued with it, and confirm what the flag administration and employer require for your assignment.

    What Does a GMDSS Certificate Cover?

    GMDSS stands for the Global Maritime Distress and Safety System. It brings together the equipment and procedures used for distress alerting, search and rescue communications, maritime safety information, and other safety-related radiocommunications.

    A GMDSS radio operator qualification relates to the duties and equipment its holder is trained and authorized to operate. Depending on the ship and its sea area, the installation may include VHF with digital selective calling (DSC), MF/HF equipment, recognized satellite services, and systems used to receive maritime safety information.

    The operator’s role is not just to press a button in an emergency. It includes following the correct procedures, maintaining the required watch, understanding the equipment fitted on the vessel, and reporting faults through the ship’s procedures.

    One name, different documents

    Your personal GMDSS operator qualification is different from the ship station radio licence issued for the vessel. If a request simply says “GMDSS certificate,” ask whether crewing needs your operator certificate, an associated endorsement, or a ship document.

    GOC and ROC: What Is the Difference?

    The two operator qualifications seafarers commonly encounter are the General Operator’s Certificate (GOC) and the Restricted Operator’s Certificate (ROC).

    GOC — General Operator’s Certificate

    A GOC covers operation of the GMDSS systems and equipment within its scope. It is commonly required for radio operators on ships operating beyond Sea Area A1.

    ROC — Restricted Operator’s Certificate

    An ROC has a narrower scope. Under the ITU Radio Regulations, it relates to ships fitted for GMDSS operation that sail exclusively within Sea Area A1.

    Sea Area A1 is not simply a fixed distance from land; it depends on the coverage of VHF coast stations providing continuous DSC alerting.

    An ROC may be exactly right for one assignment and insufficient for another. Do not assume that a certificate accepted on a previous vessel will cover a different route or role.

    Before you accept the assignment, check:

    • The exact title of your certificate: GOC or ROC.
    • The vessel’s intended GMDSS sea area.
    • The radio duties assigned to your position.
    • The flag administration’s recognition and endorsement requirements.
    • Any separate validity or revalidation date on the documents you hold.

    The crewing team and flag administration should confirm which qualification is required for the particular vessel. For the distinction between GOC and ROC, see the ITU’s explanation of radio operator certificates.

    Who Needs the Qualification?

    Under STCW, a person in charge of or performing radiocommunication duties on a ship must hold the appropriate certificate or certificates issued or recognized by the administration. The requirement concerns the duties being performed; it should not be guessed from a job title alone.

    On many merchant ships, masters and deck officers hold GMDSS qualifications as part of their professional certification and assigned duties. That does not mean every person onboard needs a GOC, or that every cadet should book a course immediately.

    If you are planning your next career step, check the published requirements for your intended Certificate of Competency and the administration that will issue it. If you have been offered a position, ask crewing what radio qualification and supporting documents are required for that vessel and capacity.

    Check the Operator Certificate and Any Endorsement Separately

    “Is my GMDSS valid?” may not be answered by looking at one date.

    IMPORTANT DISTINCTION

    GOC or ROC, STCW endorsement, and flag recognition may be separate records.

    Do not treat them as one document with one universal expiry date. Check each document and the rules of the administration responsible for it.

    Their issue dates, expiry dates, and revalidation rules may differ by administration. For example, the UK Maritime and Coastguard Agency requires its STCW endorsement associated with a UK GOC or ROC to be revalidated every five years. That example should not be treated as a universal rule for certificates issued elsewhere.

    Keep each issued document identifiable. Record its exact title, issuing authority, certificate number, and any date printed on it. If a certificate has no stated expiry date, do not invent one. Check whether an accompanying endorsement or another applicable requirement has its own deadline.

    Before booking training or submitting a renewal application, use the current instructions of the issuing administration. If you are unsure which document needs revalidation, ask it or your crewing department rather than relying on a date calculated from memory.

    For an example of how an administration distinguishes GOC/ROC certification from STCW endorsement and revalidation, see the UK MCA’s GMDSS guidance.

    Keep a Complete, Readable Record

    A clear personal record makes the pre-joining check much easier. Save every relevant page of your GOC or ROC, including the reverse if it contains conditions, dates, or verification information. Keep any associated endorsement as a separate, clearly named record.

    Check that your name, certificate number, issuing authority, and dates are readable. If a document has been replaced, distinguish the current version from older copies. A cropped image or an expired endorsement saved under the filename “GMDSS current” can create confusion when crewing requests proof.

    Your GMDSS documents may be reviewed alongside your Certificate of Competency, medical, flag-state endorsement, and other records required for the assignment. Keep those documents organized, but share only what the recipient requests.

    Make the right version easy to find

    Keep a readable copy, record the details exactly as issued, and identify which certificate and endorsement are current. Digital copies help you prepare; they do not replace originals or official verification when those are required.

    Carry originals or officially issued electronic certificates where required, and follow company instructions for secure submission.

    Your Four-Question Pre-Joining Check

    1. Which operator certificate do I hold—GOC or ROC?
    2. Does it cover the duties and operating area of this vessel?
    3. Do I need a current STCW endorsement or flag-state recognition alongside it?
    4. Can I quickly find complete, readable copies of every document requested?

    Check your records before travel is arranged. If an endorsement needs revalidation or the assignment requires a different qualification, an early conversation with crewing leaves time to establish the correct process.

    An offline copy can help you inspect a document while travelling or at sea. Sending it still requires a connection or another accepted method. Most importantly, finding a certificate quickly does not itself establish that it meets the requirements of your next assignment.

    WAVE – THE SEAFARERS’ DIGITAL WALLET

    Know which document you hold. Find it before someone asks.

    Organize your certificate copies, monitor recorded dates, search your professional records, and access saved information in an offline-first app.

    Download Wave for iOS or Android

    Your GMDSS qualification is tied to important safety duties. Know exactly which certificate you hold, check any accompanying endorsement, and confirm the requirement for the vessel before you join.

  • Seafarer App: What If Every Document You Needed Was Already With You?

    Seafarer App: What If Every Document You Needed Was Already With You?

    YOUR RECORDS, READY WHEN ASKED

    “Can you show me that certificate?”

    You are standing at the counter. The document is yours. The question is whether you can find the current copy without searching through emails or carrying your entire binder.

    You reach the counter and the person reviewing your application asks for a certificate you were not expecting. You have it—but is the current copy in your email, on your laptop, or somewhere in the binder you left at home?

    For seafarers, that question can come up at a maritime administration, a training centre, a crewing office, or any service reviewing professional records. You may need a certificate, a medical, an endorsement, or the dates of a previous vessel assignment. Finding the right record can take longer than answering the actual question.

    A seafarer app should make that moment easier. With Wave – The Seafarers’ Digital Wallet, you can keep your professional records organized on your phone, search for what has been requested, and check the details before you provide them.

    The Binder Cannot Follow You Everywhere

    A binder is useful for protecting original documents. But carrying your entire archive to every appointment is impractical, especially when you do not know which record someone will ask to see.

    Your professional history may include Certificates of Competency, STCW training, medical certificates, flag-state endorsements, discharge records, and years of vessel service. Some documents are current; others have been renewed or retained as evidence of earlier training. A request for one item can become a search through many pages.

    The same problem exists with an unorganized digital folder. Having photographs on your phone helps only if you can find the correct version and read the details on it.

    The useful difference

    Wave gives your records a personal place to live. Instead of remembering which email or folder holds a certificate, you can search the records you have added to the app and open the relevant copy.

    When Someone Asks, Search for the Right Record

    Imagine that an officer at a counter asks for your current medical certificate. You open Wave, use Global Search, and find the record. Before showing or sharing it, you check that the saved copy is readable and that its recorded dates match the document.

    The same approach helps when a crewing manager asks about a previous vessel or a training provider needs an earlier certificate. Search by the information you know, then inspect the result.

    Search first. Verify second.

    Finding a familiar document name does not tell you whether the copy is current or meets the requirement for that particular application. Open the record and check it before using it.

    Wave can help you retrieve and review your personal record quickly. The person or authority assessing your application decides which documents and forms of evidence it will accept.

    Keep the Details Beside the Document

    A certificate becomes easier to manage when its key information is available with its copy. In Wave, you can organize documents with details such as their title, issuing authority, and relevant dates.

    Smart Scan can help you capture information when adding a document. Check the extracted details against the original, especially names, certificate numbers, and dates. When a certificate is renewed, identify the new version clearly so you do not reach for an older copy at the counter.

    Expiry reminders help with a different problem: arriving with a document that needed attention before the appointment or your next joining date. Seeing a recorded date early gives you time to check the applicable requirement and arrange a renewal where needed.

    Three checks before you use a saved copy

    1. Is it the current version?
    2. Are the recorded details and every required page readable?
    3. Does the receiving office accept this type of copy for this request?

    An app can remind you of a date you entered. It cannot determine whether a certificate is accepted for every flag, employer, vessel, or role.

    Your Sea Service Should Be Easy to Find Too

    Sometimes the request is not for a certificate. It is for proof of where and when you served.

    A maritime administration may ask for service in a particular rank or period. A crewing office may want your recent vessel history. If those details are spread across discharge books, contracts, and old emails, even a straightforward question can take time to answer.

    Wave lets you maintain vessel-level sea-service records so you can review the ships, roles, and service periods you have recorded. Update each assignment after sign-off, while the dates are easy to compare with your supporting documents.

    Your personal history helps you prepare an application or answer a question. Keep the discharge entries, testimonials, and other evidence the reviewing authority requires. A total shown in an app is a planning aid, not an official decision about qualifying service.

    For a closer look at maintaining that evidence, read our Sea Service Tracker guide.

    Have Your Records Available Even Without a Signal

    You cannot rely on a good connection everywhere. That may be true at sea, during travel, or inside a building with poor reception.

    Wave is built for offline-first access, so saved records can remain available on your device without a live connection. Before an important appointment or assignment, open the documents you expect to need and confirm that their pages and details are accessible offline.

    Try this before you leave

    Turn off your connection, open the records you may need, and check that each saved page is readable. A quick test at home is easier than discovering a missing file at the counter.

    You can inspect a saved record while disconnected. Sending a file or completing an online submission still requires a connection or another method accepted by the recipient. If an application must be submitted in advance, prepare it while you have reliable access.

    Our guide to an offline maritime document wallet explains why testing access before you need a file matters.

    Bring the Evidence the Appointment Requires

    Having your records on your phone can save you from carrying a full binder everywhere. It does not mean every office will accept a phone screen or a personal scan as formal evidence.

    Check before the appointment

    Some processes require originals, certified copies, officially issued electronic certificates, prescribed forms, or direct verification. Follow the office’s document instructions and bring what that particular application requires.

    Your digital wallet helps you prepare: you can check what you hold, spot a missing page, find a certificate number, and select the relevant records before you leave. If copies or exports are accepted, review what you send and share only the documents requested.

    Your Career Record, Ready When You Need It

    The useful moment is simple. Someone asks for a document. You know where it is, which version is current, and what it shows. You can answer without searching through old emails or carrying every record you have ever collected.

    WAVE – THE SEAFARERS’ DIGITAL WALLET

    Know what you have. Find it when asked.

    Organize certificate copies, monitor recorded expiry dates, search your documents, maintain vessel-level sea-service records, prepare exports, and access saved information offline.

    Download Wave for iOS or Android

    Keep your originals safe and your supporting evidence complete. Keep the working record of your career where you can find it—whether you are at a service counter, between contracts, or at sea.

  • First Time Joining a Ship? Packing Tips for Your First Journey

    First Time Joining a Ship? Packing Tips for Your First Journey

    CADETS CORNER

    Pack your bags. Keep your papers close.

    Your first ship is waiting. Your suitcase does not need to contain your entire bedroom.

    Maybe you have flown before. Maybe this will be your first time on a plane. Either way, travelling to join your first ship can feel different: unfamiliar airports, connecting flights, important documents and a suitcase that suddenly refuses to close.

    So let us start from the beginning, as if this is your first joining journey. No question is too basic, and you are not expected to know everything already. These first-time seafarer packing tips will help you get yourself, your bags and your papers to the ship. We will cover what to bring for life onboard in a separate Cadets Corner article.

    1. The 40 kg question: check every flight

    From our own joining experience, 40 kg is a familiar checked-baggage allowance on seafarer tickets. But it is not an automatic entitlement on every booking. Confirm the allowance with your crewing team or travel agent, especially for local or domestic flights with tighter limits.

    Total allowance is not the same as the limit per suitcase. Check the permitted number of bags, weight per bag, dimensions and separate cabin allowance. If your booking permits two bags and 40 kg total, 20 kg in each may work. One 40 kg suitcase may not.

    One manageable suitcase is a good start if it meets your needs and the rules. If using two, spread essential clothes between them: one missing bag should not take all your underwear on its own holiday. Weigh bags at home, including the cases themselves.

    2. Your documents travel with YOU

    Keep your passport, seaman’s book, certificates, diplomas, medical certificate and required original documents in a secure folder in your backpack. Never pack them in checked luggage. Follow your company’s joining checklist.

    Keep digital copies organised in Wave – The Seafarers’ Digital Wallet, too. Check that the documents you need are available offline before leaving. Digital copies are useful backups; they do not replace required originals.

    The letter matters. Carry two or three printed copies of the company’s joining letter, often addressed “To Whom It May Concern”, plus your itinerary and other supplied travel papers. You may be asked for them at several points along the journey. If your cabin bag is taken for checking at the gate, remove your documents first.

    3. Connections: where are your bags going?

    At check-in, ask: “Are my bags checked through to my final destination, or must I collect and recheck them somewhere?” Check the destination on the baggage tags and keep the receipts. Different airlines, separate tickets or customs procedures can mean collecting bags en route. Do not guess.

    Photograph your suitcases, remove old flight tags and put your contact details inside and outside. If a bag does not arrive, report it to the airline’s baggage desk before leaving the airport. Keep the report reference and tell crewing or the port agent where you are heading.

    4. Give your backpack a backup plan

    A change of clothes, underwear, your charger and essential personal items can help if luggage is delayed. Keep a light extra layer handy for long flights: aircraft cabins sometimes seem to be training for Arctic service.

    Save your joining instructions and agent’s phone number offline. A written copy is useful, too. Your arrival plan should survive a flat battery or missing Wi-Fi.

    5. Helpful extras, if your budget allows

    You do not need a shopping spree before your first contract. These are optional conveniences:

    • International SIM or travel eSIM: check phone compatibility, coverage and cost for your destinations. If it is not affordable, agree an arrival contact plan with crewing beforehand.
    • Power bank: useful when travelling, but keep it in cabin baggage, never checked luggage. Check the airline’s capacity, quantity and onboard-use rules; remove it if your cabin bag is gate-checked.
    • Universal travel adapter: check the plug types you need. An adapter changes the plug connection; it does not necessarily convert voltage.
    • Luggage tracker: an AirTag or a compatible Android alternative can provide another clue to a bag’s location. Check compatibility and airline rules. Updates can lag; a tracker does not guarantee delivery or replace an airline baggage report.

    6. Keep the receipts. Check the policy.

    Extra baggage on a local flight? Necessary travel expenses? Check what your company approves, keep itemised receipts and record what each expense was for. Present them politely to the captain or designated person, following the company’s process for reimbursement or credit to your account. A receipt alone does not guarantee repayment.

    Keep alcohol and personal purchases out of your claim unless expressly authorised by the company policy or a relevant voucher. Ask for a separate receipt. The captain needs a clear expense claim, not the story of your airport beer.

    Before you zip up

    Check the allowance. Keep originals close. Print the joining letter. Confirm the baggage route. Save contact details. Then take a breath. You are joining your first ship, not entering an airport obstacle championship.

    New here? Start with Welcome to Cadets Corner.

    For more on organising digital backups, read our offline maritime document wallet guide.

    Useful references: IATA baggage guidance, battery guidance and connection guidance. Your ticket, operating airlines and company joining instructions determine the rules for your journey.