What is GP Rating? Complete Guide for Merchant Navy Aspirants

Everything you need to know about GP Rating, eligibility, admission, syllabus, examination pattern, total marks, passing marks, career opportunities, salary and preparation tips.

Updated: July 2026 18 min read shashwat

What is GP Rating?

GP Rating stands for General Purpose Rating. It is an entry-level rank in the Merchant Navy where a person performs duties on both the deck and engine departments. The GP Rating is a crucial role on any cargo ship, tanker, or passenger vessel.

Full form: General Purpose Rating.

Role on ship: A GP Rating handles tasks such as mooring, painting, cleaning, maintenance, watchkeeping, and assisting deck officers and engineers. They are the backbone of ship operations.

Deck + Engine duties: GP Rating personnel are trained to work in both departments, making them versatile and valuable crew members.

Merchant Navy career: GP Rating is the first step for many seafarers. After gaining experience, one can rise to higher ranks like Bosun, Motorman, or even officer positions.

Who should choose GP Rating? If you love the sea, enjoy hands-on work, and want a stable career with good earnings, GP Rating is an excellent choice.

Quick insight: GP Rating is a blend of deck and engine work — perfect for those who want a dynamic job on ships.

GP Rating Eligibility

  • Educational qualification: 10th standard passed from a recognized board with Science and Mathematics.
  • Age limit: Between 17.5 to 25 years at the time of admission.
  • Medical fitness: Must meet DG Shipping medical standards.
  • Eyesight: 6/6 in both eyes (with or without glasses).
  • Passport: Valid passport (required for onboard training).
  • CDC: Continuous Discharge Certificate (issued after training).
  • INDOS: Indian Database of Seafarers (mandatory).
  • Documents required: 10th marksheet, medical certificate, passport, passport-size photos, identity proof, and application form.
Pro Tip: Check with the shipping company for any additional requirements.

GP Rating Course Duration

  • Training period: 6 to 9 months (classroom and practical).
  • Practical training: Workshops, labs, and simulator sessions.
  • Onboard training: After passing the examination, candidates undergo onboard training for 6–12 months.

GP Rating Examination Pattern

The GP Rating exam consists of four components:

ComponentType
MEK MCQMarine Engineering Knowledge – Multiple Choice Questions
MEK Oral + PracticalOral questions and practical assessment on engineering
GSK MCQGeneral Seamanship Knowledge – Multiple Choice Questions
GSK Oral + PracticalOral questions and practical on seamanship and deck duties
All four components are mandatory to clear the examination.

GP Rating Total Marks

PaperMarks
MEK MCQ75
MEK Oral + Practical175
GSK MCQ75
GSK Oral + Practical175
Total500

Total Marks = 500

Passing Marks

Minimum Passing Percentage: 60% overall.

Candidates must score at least 60% aggregate across all papers to pass the GP Rating examination.

Important: Oral and practical are equally crucial. Even if you score well in MCQs, poor performance in oral/practical can lead to failure.

MEK Examination Details

MEK stands for Marine Engineering Knowledge.

  • MCQ pattern: 75 marks objective type questions.
  • Topics covered: Basic engineering, ship machinery, pumps, valves, diesel engines, safety systems.
  • Oral questions: Interview on engine room operations, troubleshooting.
  • Practical assessment: Hands-on tasks like starting a pump, checking engine parameters.
  • Preparation tips: Study standard engineering textbooks, practice MCQs, and visit workshops.

GSK Examination Details

GSK stands for General Seamanship Knowledge.

  • MCQ pattern: 75 marks objective type.
  • Oral examination: Questions on navigation, safety, deck operations.
  • Practical examination: Knots, rope work, life-saving appliances, fire-fighting drills.
  • Important topics: Anchors, mooring, navigation lights, ship stability.
  • Preparation strategy: Practice knots daily, understand ship layout, and memorize safety procedures.

Complete GP Rating Syllabus

Deck Subjects

  • General Seamanship
  • Navigation
  • Ship Familiarization
  • Rope Work & Knots
  • Anchors & Mooring
  • Life Saving Appliances
  • Pollution Prevention

Engine Subjects

  • Marine Engineering Basics
  • Pumps & Compressors
  • Diesel Engines
  • Safety Systems
  • Fire Fighting Equipment
The syllabus is designed to make you a multi-skilled seafarer.

Career Opportunities

  • Deck Crew: Ordinary Seaman (OS), Able Seaman (AB), Bosun.
  • Engine Crew: Wiper, Motorman, Pumpman.
  • Future promotions: With experience and additional courses, GP Rating can become a Deck Officer or Engineer.

Salary

RankMonthly Salary (INR)
Fresh GP Rating₹25,000 – ₹40,000
After 1 year₹35,000 – ₹55,000
AB (Able Seaman)₹45,000 – ₹70,000
Motorman₹45,000 – ₹70,000
Bosun₹60,000 – ₹1,00,000

Salaries vary based on shipping company, flag state, and contract terms.

Preparation Tips

  • Create a daily study plan balancing MCQs, oral practice, and practicals.
  • Solve MEK and GSK MCQ sets regularly.
  • Practice oral questions with a partner or mentor.
  • Spend time in workshops for practical learning.
  • Revise weekly to retain knowledge.

Common Mistakes

  • Ignoring the oral and practical components.
  • Focusing only on MCQs and neglecting hands-on skills.
  • Memorizing without understanding concepts.
  • Not learning proper ship terminology.
  • Poor time management during exam preparation.
Avoid these mistakes to ensure a smooth journey.

Frequently Asked Questions

What is GP Rating?
GP Rating stands for General Purpose Rating. It is an entry-level rank in the Merchant Navy where a person performs duties on both deck and engine departments.
What is GP Rating full form?
The full form of GP Rating is General Purpose Rating.
How many marks are in GP Rating exam?
The GP Rating examination is of total 500 marks.
Is GP Rating difficult?
GP Rating exams are moderate in difficulty. With proper preparation, practice of MCQs and oral skills, one can clear it easily.
How many papers are there in GP Rating exam?
There are 4 papers: MEK MCQ, MEK Oral & Practical, GSK MCQ, GSK Oral & Practical.
What is MEK in GP Rating?
MEK stands for Marine Engineering Knowledge. It is a subject that tests basic engineering knowledge required on ships.
What is GSK in GP Rating?
GSK stands for General Seamanship Knowledge. It covers deck duties, navigation, safety, and ship operations.
How much salary after GP Rating?
A fresh GP Rating can earn between ₹25,000 to ₹40,000 per month, which increases with experience and promotions.
What is passing marks for GP Rating?
The minimum passing percentage is 60% overall in the GP Rating examination.
How long is GP Rating course?
The GP Rating course is typically 6 to 9 months, including practical and onboard training.
Can 10th pass apply for GP Rating?
Yes, candidates who have passed 10th standard with Science and Mathematics are eligible to apply.
Can girls apply for GP Rating?
Yes, female candidates are eligible to apply for GP Rating in the Merchant Navy, subject to meeting medical and physical standards.
What is the age limit for GP Rating?
The age limit is generally between 17.5 to 25 years at the time of admission.
What documents are required for GP Rating?
Documents required: 10th mark sheet, medical certificate, passport, CDC, INDOS, and other identity proofs.
Is GP Rating a good career?
Yes, GP Rating offers a stable career with good growth opportunities in the Merchant Navy.
What is the role of GP Rating on a ship?
GP Rating performs deck and engine duties, including maintenance, cleaning, painting, watchkeeping, and assisting officers.
What is the salary of a Bosun?
A Bosun can earn between ₹60,000 to ₹1,00,000 per month depending on the shipping company.
What is the GP Rating syllabus?
Syllabus includes Marine Engineering Knowledge, General Seamanship, Navigation, Fire Fighting, Life Saving, and Pollution Prevention.
How to prepare for GP Rating oral exam?
Practice with common questions, use visuals, understand ship equipment, and appear for mock orals.
What is the full form of CDC and INDOS?
CDC stands for Continuous Discharge Certificate. INDOS stands for Indian Database of Seafarers.

Conclusion

GP Rating is a fantastic entry point into the Merchant Navy. With the right preparation, you can clear the exam and embark on a rewarding career at sea.

Final advice: Start your preparation early, practice MEK and GSK MCQs daily, and never neglect oral and practical skills. All the best!

Set sail towards your dream career – GP Rating awaits you!