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1. Background
Marine equipment installed on Japanese-flagged vessels must comply with the Ship Safety Law and related regulations, supervised by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT). These inspections align with international conventions such as SOLAS, and MARPOL, ensuring safe navigation and compliance with global standards.
2. Types of Inspection
Japan’s inspection framework for marine equipment consists of four categories:
Inspection as part of ship surveys
Shop Inspection
Type Approval and Product Testing
Certified Manufacturing Facility System
3. Shop Inspection
The Shop Inspection is conducted before equipment is installed on a specific vessel.
Purpose: To verify the performance of equipment that is difficult to assess during ship surveys.
Effect: Once approved, the relevant items are exempted from repeated checks during subsequent ship surveys.
Note: Re-inspection may be required if significant time has passed since approval or if damage/corrosion is observed.
4. Comparison Table
5. Flow of Shop Inspection
Applicant (Manufacturer etc.)
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Application submission (Regional Transport Bureau)
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Pre-design inspection approval (drawings, specifications and test reports)
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Witnessed testing if required
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Approval Mark for Shop Inspection issued
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Shop Inspection Approval Certificate issued if required
6. Significance for Overseas Manufacturers
Serves as the first gateway to enter the Japanese market.
Confirms compliance with both international standards and Japanese legal requirements.
Enhances product credibility and acceptance by Japanese shipowners and operators.
*As a general rule, you must have a thorough meeting with the JG ship inspector before starting the Shop Inspection. If you have any questions or concerns regarding individual procedures, please feel free to contact us.
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