The Complete Guide to the DG Shipping Medical Examination in 2026

When planning a lucrative and adventurous career in the Merchant Navy, securing the right academic and safety certifications is only the first part of the journey. The ultimate gatekeeper to your employment on a commercial vessel is your health. In India, maritime occupational health is regulated strictly by one central authority, meaning every seafarer must successfully clear a designated dg shipping medical examination before they can legally sign a contract and board a ship.

Operating a commercial vessel involves navigating unpredictable weather, managing highly complex machinery, and working in remote ocean environments. A minor, unmanaged health condition on land can rapidly escalate into a fatal, untreatable emergency at sea. Because of this, the directorate general of shipping enforces an uncompromising set of health standards to protect individual crew members and the vessel as a whole. As we move through 2026, the regulatory framework has become even more robust with the introduction of new draft rules and digital compliance systems.

If you are an aspiring pre-sea cadet, a seasoned Master Mariner, or a hospitality worker aiming for the cruise industry, this comprehensive 3000-word guide breaks down exactly what the DGS medical entails, the new infrastructure rules for 2026, the specific department-wise physical requirements, and how you can prepare to pass your exam effortlessly.

A Maritime medical is not a standard wellness checkup that you can get at your neighborhood clinic. It is a highly specialized occupational health screening designed explicitly for the maritime industry. The core objective of a dg shipping evaluation is to verify that a candidate does not have a medical condition that could be exacerbated by service at sea, and that they possess the physical capability to perform routine and emergency shipboard duties.

According to standard maritime health frameworks, every individual employed or engaged in any capacity on board a commercial ship must undergo a Seafarer medical. This sweeping mandate ensures that everyone from the Chief Engineer managing the propulsion plant to the Chief Cook handling provisions is physically resilient and free from contagious diseases that could spread rapidly in the close-quarters environment of a vessel.

The DGS process is deeply integrated into global maritime law, aligning specifically with the International Labour Organization (ILO), the World Health Organization (WHO), and the Maritime Labour Convention (MLC) 2006. When a dg shipping approved medical examiner conducts your evaluation, they are essentially confirming to international port state controls that you are an operationally safe asset to the vessel.

The central authority responsible for these maritime health standards is the Directorate General of Shipping, operating under the Ministry of Ports, Shipping and Waterways, Government of India. The examination protocols are historically rooted in the Merchant Shipping Act, 1958, and the Merchant Shipping (Medical Examination) Rules, 2000.

However, the regulatory landscape is continuously evolving. In 2026, the maritime community has seen updates alongside the implementation of the Jan Vishwas (Amendment of Provisions) Act, 2026, and the circulation of the Draft Merchant Shipping (Medical Examination) Rules, 2026. The new 2026 draft rules define a “Medical examiner” as a duly qualified medical practitioner approved by the Directorate General.

To conduct a valid Maritime examination, an examiner must hold a minimum qualification of MBBS from a recognized university, possess a valid Medical Council Registration, and complete a specialized Familiarization Course for Medical Examiners of Seafarers. You cannot bypass this system; a certificate issued by a general practitioner without a formal DGS empanelment is entirely invalid for joining a merchant vessel.

One of the major updates highlighted in the 2026 dg shipping medical guidelines is the strict oversight of clinic infrastructure. A facility cannot simply claim to offer a marine medical without proving they possess the statutory hardware and environmental setups required for accurate diagnostics.

According to the latest regulatory frameworks, an approved DGS medical clinic must possess:

• A designated medical examination room and waiting area for seafarers.
• Facilities for X-ray imaging, supported by a valid AERB (Atomic Energy Regulatory Board) Certificate.
• A dedicated audiometry testing room.
• An ECG conducting space and an area for blood sample collection.
• A Biomedical Waste Management Certificate issued by the designated local authority.

Furthermore, the 2026 Maritime rules emphasize that all blood and urine samples must be collected at the designated premises of the approved medical examiner. The collaborating pathology laboratories must strictly conform to accreditation standards, as the use of unaccredited external laboratories is strictly prohibited. This guarantees that when you undergo your dg shipping tests, your blood sugar, lipid, and liver metrics are evaluated using highly calibrated, ISO/NABL certified equipment.

Vision is arguably the most critical and rigorously tested faculty during a Seafarer examination. Navigating a massive commercial vessel relies on precise depth perception, distant hazard spotting, and the accurate identification of colored maritime signals.

The DGS visual standards are categorized based on your operational department:

• Deck Department (Officers and Ratings): The dg shipping rules are unforgiving for navigators. Deck candidates must demonstrate a distant vision of 6/6 in their better eye and 6/9 in the other, strictly unaided (without glasses or contact lenses). More importantly, they must pass the Ishihara test to prove normal color perception. Any degree of color blindness is a permanent rejection for the deck department, as confusing a red port light for a green starboard light can lead to catastrophic collisions.
• Engine and Catering Departments: The Maritime criteria are slightly more relaxed for technical and hospitality staff. Engine personnel are permitted to wear glasses to achieve a corrected distant vision of 6/12 in each eye or 6/9 and 6/18. While normal color vision is preferred, a mild deficiency may be reviewed by the DGS examiner, provided the individual can safely distinguish essential electrical wiring and warning panel lights.

In all cases, a dg shipping checkup includes a near vision test, requiring the ability to read Snellen N5 or N8 charts at 30-50cm, ensuring all crew members can accurately read technical manuals and bridge gauges.

Working aboard a ship—particularly in the engine room—exposes crew members to intense, continuous background noise from propulsion plants, ventilation systems, and auxiliary generators. To ensure you can process emergency alarms and verbal safety commands over this noise, a DGS medical includes comprehensive audiometry testing.

During your Maritime visit, you will sit in an acoustic isolation booth while the examiner conducts pure-tone air conduction testing. The dg shipping baseline requires candidates to hear tones at a threshold of at least 40 decibels across all audible conversational frequencies. Both ears are tested separately, and it is important to note that for freshers joining the industry, the use of hearing aids to meet this Seafarer standard is generally not permitted.

A seafarer’s structural integrity is thoroughly evaluated during a DGS checkup to ensure they can handle heavy physical labor, climb steep pilot ladders, and navigate narrow escape hatches.

• Height and Weight: The standard dg shipping baseline requires a minimum height of 157 cm and a minimum weight of 48 kg. A 5 cm height relaxation and a 45 kg weight requirement are available for candidates from specific regions, such as North-East India, islands, or hilly areas.
• Body Mass Index (BMI): Your Maritime examiner will calculate your BMI. The ideal healthy range is between 18.5 and 25. A BMI exceeding 30 is classified as obese and often triggers mandatory advanced cardiac stress tests (like a Treadmill Test or 2D Echo) before the DGS doctor can issue a fitness certificate.
• Blood Pressure: Hypertension is closely monitored during a dg shipping exam. For freshers, blood pressure must remain below 150/90 mmHg, while in-service seafarers have a slightly relaxed limit of below 160/100 mmHg. Repeated systolic pressure over 160 or diastolic pressure over 100 mmHg is a disqualifying factor.
• Dental Points: Surprisingly to many cadets, a DGS assessment mandates a strict dental check. Candidates must possess a minimum of 14 dental points out of a possible 22, based on functional pairs of healthy or repairable teeth. Severe, unmanaged tooth decay can lead to a temporary unfitness rating under Maritime rules.

A certified dg shipping examination heavily relies on pathological evidence to uncover latent conditions that a physical checkup might miss.

The mandatory Seafarer lab panel includes:

• Complete Blood Count (CBC) and Metabolic Panel: To screen for anemia, systemic infections, and to measure Fasting Blood Sugar and Lipid Profiles (Cholesterol). Poorly controlled diabetes mellitus with vascular complications is grounds for rejection during a DGS review.
• Organ Function Metrics: Liver and Renal function tests, specifically targeting SGPT, GGT, and Creatinine levels. High liver enzymes often indicate fatty liver disease or recent heavy alcohol consumption.
• Infectious Disease Screening: A strict dg shipping mandate requires screening for HIV 1 & 2, Hepatitis A, Hepatitis B (HBsAg), Hepatitis C (HCV), and Syphilis (VDRL) to prevent outbreaks on board. Active Pulmonary Tuberculosis, confirmed via the mandatory Chest X-Ray, results in unfitness until certified cured.
• Toxicology and Substance Abuse: The global maritime sector enforces a zero-tolerance drug policy. A Maritime urine screen explicitly tests for Morphine, Marijuana, Cocaine, Barbiturates, and Amphetamines.

Failing your DGS assessment is a highly stressful event, but the directorate general of shipping differentiates between treatable issues and career-ending conditions.

If a dg shipping medical examiner detects a manageable condition—such as a high BMI, uncontrolled hypertension, elevated blood sugar, minor dental cavities, or a reversible gastrointestinal infection—they will issue a “Temporarily Unfit” status. This simply means you must seek medical treatment or make lifestyle changes (like diet and exercise) to correct the metrics. Once resolved, you can return to your DGS approved center for a re-evaluation and secure your clearance.

Conversely, a “Permanently Unfit” status is issued for severe, unmanageable risks. Under Maritime guidelines, this includes permanent blindness, diplopia (double vision), color blindness for navigational roles, severe psychiatric disorders, or unpredictable neurological conditions like epilepsy.

A dg shipping medical certificate is not a lifetime document. The intense physiological demands of seafaring require periodic re-evaluations to catch the onset of lifestyle diseases.

According to standard Seafarer regulations:

• Adult Seafarers (18–65 years): Certificates are valid for a maximum of 2 years.
• Young Seafarers (<18 years): Due to rapid physiological growth, the validity is strictly limited to 1 year.
• Senior Seafarers (>65 years): The DGS validity may be restricted to the intended contract period only, requiring more frequent renewals.

It is also vital to stay informed about administrative extensions. For example, during geopolitical crises, the directorate general of shipping actively issues circulars to protect seafarers. In 2026, DGS Circular 17 of 2026 provided an extension of the validity of STCW certificates (including medicals) due to the prevailing security situation in the Middle East / West Asia region. A professional marine healthcare center stays continuously updated on these dg shipping circulars to provide accurate advice to their candidates.

In 2026, the Maritime administrative framework is entirely digital. Carrying a printed physical certificate is useful for your personal file, but your legal fitness must be validated electronically.

When you book your appointment at our diagnostic center, you must bring mandatory identification, including a Passport, Continuous Discharge Certificate (CDC), or Seafarer’s Identity Document (SID). The DGS doctor verifies these documents and records your INDoS (Indian National Database of Seafarers) number.

Upon successful completion of your dg shipping tests and laboratory clearances, the approved medical examiner logs into the secure e-Governance portal maintained by the directorate general of shipping. They manually input your physical measurements, upload the clearance data, and digitally sign the file. This instantly updates your INDoS profile, allowing your shipping company to verify your DGS clearance remotely and proceed with your flight and visa arrangements without delay.

For maritime professionals based in Delhi NCR or traveling through Northern India, finding a fast, reliable, and fully compliant Maritime medical facility is critical. Edge Marine Medicals stands as a premier destination for your seafarers medical evaluation.

Located at B-568-569, Raghubir Nagar, Tagore Garden Extension, New Delhi, our facility is engineered specifically to meet the stringent 2026 dg shipping infrastructure mandates. We offer an efficient, all-in-one diagnostic experience featuring digital X-rays, sound-proof audiometry, precise vision testing, and rapid, NABL-partnered pathology.

Our empaneled examiners deeply understand the nuances of marine medicine and treat every candidate with professionalism and respect. We prioritize rapid e-Governance data entry, ensuring that your Seafarer medical results reflect on your INDoS profile immediately after clearance, helping you join your vessel smoothly and confidently.

1. How long is my DGS medical valid for?

For standard adult seafarers aged 18 to 65, the dg shipping medical fitness certificate remains valid for exactly 2 years. For candidates under 18, it is valid for 1 year.

2. Can I get my maritime medical done by any local doctor?

No. Your examination must be conducted exclusively by DGS approved medical examiners who are officially listed on the Directorate’s digital register. Certificates from unauthorized doctors are invalid.

3. What is the minimum height and weight required under dg shipping rules?

The general standard is a minimum height of 157 cm and a weight of 48 kg. A slight relaxation (152 cm and 45 kg) is permitted for candidates from specific hilly or island regions.

4. Will I fail my DGS medical if I wear glasses?

It depends on your department. Deck officers must pass strict unaided vision tests (6/6 and 6/9) without glasses. Engine and catering staff are permitted to wear glasses to meet the corrected vision standards during their Maritime exam.

5. Is the Ishihara color blindness test mandatory in a dg shipping checkup?

Yes. Every seafarer must undergo the Ishihara test during their Seafarer assessment. For deck crew, any degree of color blindness results in immediate, permanent rejection.

6. Do I need to fast before my DGS blood test?

Yes. To ensure accurate Fasting Blood Sugar and Lipid Profile results, you should arrive at the dg shipping clinic in the morning without having breakfast, after fasting for 10 to 12 hours.

7. Why does the maritime medical check dental points?

Severe dental infections at sea are highly dangerous since ships do not carry dentists. The DGS rule requires a minimum of 14 healthy or repairable dental points to ensure oral stability during your contract.

8. What happens if I am declared temporarily unfit during my dg shipping exam?

A temporary unfitness remark means you have a treatable issue (like high BP or minor cavities). You simply need to undergo treatment and return to your DGS doctor for a re-test to clear your status.

9. Are drug tests mandatory in the maritime assessment?

Absolutely. A comprehensive urine screening for drugs—including Marijuana, Cocaine, Morphine, and Amphetamines—is a standard, non-negotiable part of the dg shipping pre-sea medical.

10. What documents must I carry to my seafarer medical appointment?

You must bring your original Passport, Continuous Discharge Certificate (CDC) if available, Seafarer’s Identity Document (SID), recent passport-sized photographs, and your INDoS number. Previous medical records should also be provided.

Secure Your Career With a Certified DG Shipping Medical

Do not risk your deployment with unauthorized clinics or slow processing times. Trust the marine healthcare experts who deeply understand the regulatory demands and digital compliance required by the modern maritime industry.

Contact Edge Marine Medicals today to book your official dg shipping examination.

• Business Name: Edge Marine Medicals
• Address: B-568-569, Raghubir Nagar, Tagore Garden Extension, New Delhi, Delhi 110027
• Phone: 9599941470