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Last update : 2025/11/27

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No. TEC- 1368(166kb) Contact. HLD Issued on. 27 November 2025
Sub. (Japanese flag ships) Special requirements for cargo ships to transport passenger(s).
Japanese Government partly revised the regulation for subdivision of ships and some relevant regulations on 30 June 2024. The revised regulations are applied to "旅客輸送船"等 (cargo ships to transport passenger(s)), which are other than passenger ships and engaged on ship operation business as prescribed in paragraph 2, article 2 of act on maritime transportation of Japanese law (excluding ships engaged on transportations of only objects). Applicable ships may be required to comply with additional requirements of flooding calculation, installation of the water ingress alarm, life rafts, AIS etc. ClassNK can not know whether each ship is engaged on ship operation business as prescribed in paragraph 2, article 2 of act on maritime transportation or not. Therefo.....
No. TEC- 1367(64kb) Contact. SVD Issued on. 18 November 2025
Sub. STS Operations Plan for Panamanian-flagged Ships
Panama Maritime Authority (PMA) additionally revised their Merchant Marine Circular MMC-217 for Ship-to-Ship (STS) operations for Panamanian-flagged ships. Please note the following points on the Ship-to-Ship (STS) Operations Plan for Panamanian-flagged ships. This Technical Information supersedes the previous ClassNK Technical Information No. TEC-1358. The changes from ClassNK Technical Information No. TEC-1358 are as follows: Addition of References in Item 2 "Additional Requirements" Relevant Section: STS Operations Plan shall be developed taking into account IMO's "Manual on Oil Pollution, Section I, Prevention" as amended, and the ICS and OCIMF Ship to Ship Transfer Guide for Petroleum, Chemicals and Liquefied Gases (2013). (To be continued).....
No. TEC- 1366(154kb) Contact. SVD Issued on. 07 November 2025
Sub. Fleet Risk Assessment (FRA) and Performance Accelerated Program (PMAP) for Panamanian vessels
The Panama Maritime Authority has newly issued Merchant Marine Circular MMC-405 regarding Fleet Risk Assessment (FRA) and Performance Accelerated Program (PMAP) for Panamanian vessels. As a result, the previous Merchant Marine Circular MMC-380, which prescribed the measures to reduce the number of PSC detentions and to improve the performance, has been repealed. The related survey, audit, and reporting procedures prescribed in MMC-380 have been replaced by those prescribed in MMC-405. This Technical Information supersedes the previous ClassNK Technical Information No.TEC-1326 (dated June 21, 2024). This is also to inform that, the designation of "Warning vessels" and "Critical vessels" as defined in paragraphs 3.1 and 3.2 of MMC-405, as well as the instr.....
No. TEC- 1365(447kb) Contact. GCD Issued on. 23 October 2025
Sub. Revision of SEEMP Part II in accordance with the 2024 SEEMP GUIDELINES and periodical updates to SEEMP Part III
As informed by ClassNK Technical Information No. TEC-1339, 1343 and 1354, the amendments to MARPOL Annex VI Appendix IX, which include corrections and additions to the items required to be reported under the IMO DCS, entered into force on 1 August 2025. Additionally, the guidelines for the development of the Ship Energy Efficiency Management Plan (SEEMP) have been revised. RESOLUTION MEPC.395(82) "2024 GUIDELINES FOR THE DEVELOPMENT OF A SHIP ENERGY EFFICIENCY MANAGEMENT PLAN (SEEMP)" was adopted on 4 October 2024, and RESOLUTION MEPC.401(83) "AMENDMENTS TO THE 2024 GUIDELINES FOR THE DEVELOPMENT OF A SHIP ENERGY EFFICIENCY MANAGEMENT PLAN (SEEMP) (RESOLUTION MEPC.395(82))" was adopted on 11 April 2025 (hereinafter referred to as the 2024 SEEMP GUIDELINES). .....
No. TEC- 1364(758kb) Contact. SVD Issued on. 20 October 2025
Sub. LRIT conformance test for Liberia flagged ships
The Liberia Maritime Authority has revised Marine Notice ISP-003 (in July 2025) regarding the implementation of LRIT Conformance Test for Liberian flagged ships. Therefore, the contents of the previous ClassNK Technical Information No. TEC-1319 (dated 8 March 2024) have been updated accordingly. This Technical Information supersedes the previous ClassNK Technical Information No. TEC-1319. Regarding LRIT conformance test, Liberia Maritime Authority published Marine Notice ISP-003 Rev.07/25. A summary of Marine Notice ISP-003 Rev.07/25 is as below. 1. Commencing 1 January 2024, all Conformance Test Reports will be issued with validity not exceeding twelve (12) months from the anniversary of the applicable conformance test completion date. 2. As of 1.....
No. TEC- 1363(1766kb) Contact. XAD Issued on. 07 October 2025
Sub. Summary of the Outcomes of MSC 110
The 110th session of the Maritime Safety Committee (MSC 110) was held from 18 to 27 June 2025. Since the minutes, resolutions and circulars of the meeting were recently released from the IMO, a summary of the decisions taken at MSC 110 is provided below for your information. 1.　Adopted mandatory requirements Mandatory requirements adopted at MSC 110 are as follows: (1)　Amendments to SOLAS Chapter II-2 and V (See attachment 1, 4, 12) Amendments to SOLAS regulation II-2/11 to correct the wording regarding structural integrity and amendments to regulation V/23 regarding pilot transfer arrangements. In addition, the performance standards for pilot transfer arrangements, which are made mandatory by the amended regulation V/23, were also adopted. It was al.....
No. TEC- 1362(521kb) Contact. EQD Issued on. 09 September 2025
Sub. Requirements for prohibition of fire-extinguishing media containing Perfluorooctane Sulfonic Acid (PFOS)
At the 107th session of the Maritime Safety Committee (MSC 107) in May 2023, amendments to SOLAS Chapter II-2 prohibiting fire-extinguishing media containing PFOS were adopted as Resolution MSC.532(107). At the MSC 110 in June 2025, a unified interpretation regarding verification by the maker's declarations and laboratory test reports that the extinguishing media containing PFOS are not used or stored on ships was adopted as MSC.1/Circ.1694. As the amendment of SOLAS will come into force on 1 January 2026, we would like to inform the requirements for necessary preparation in advance. 1. Outline Use or storage of fire-extinguishing media containing PFOS will be prohibited on or after 1 January 2026. The phrase "containing PFOS" means present in concentr.....
No. TEC- 1361(415kb) Contact. EQD Issued on. 01 September 2025
Sub. Compliance with new requirements for Lifting appliances in accordance with the Amendments to SOLAS II-1
Regarding ClassNK Technical Information No. TEC-1357 issued on 30 July 2025, we have revised due to an error. This Technical Information supersedes the previous ClassNK Technical Information No.TEC-1357. The corrections are as follows. "3. List** of Loose Gears and Proof Test Certificate" in No. TEC-1357. (Incorrect) From 1 January 2026, proof test certificates for loose gears used with lifting appliances subject to SOLAS II-1/3-13.2.1 and 13.2.4 will be required. (Correct) From 1 January 2026, proof test certificates for loose gears used with lifting appliances subject to SOLAS II-1/3-13 will be required. (To be continued).....
No. TEC- 1360(649kb) Contact. SVD Issued on. 14 August 2025
  This tech became null and void 01 December 2025.
Sub. Tokyo and Paris MoU Joint Concentrated Inspection Campaign (CIC) on Ballast Water Management
This is to inform that the Tokyo and the Paris Memoranda Understanding (MoU) on Port State Control announced a press release about the joint concentrated inspection campaign (CIC) as follows: Inspection item: Ballast Water Management Campaign period: From 1 September 2025 to 30 November 2025 For more information, please refer to the attached press releases issued by Tokyo and Paris MoU. For any questions about the above, please contact: NIPPON KAIJI KYOKAI (ClassNK) Survey Department, Administration Center Annex, Head Office Address: 3-3 Kioi-cho, Chiyoda-ku, Tokyo 102-0094, Japan Tel.: +81-3-5226-2027 Fax: +81-3-5226-2029 E-mail: svd@classnk.or.jp.....
No. TEC- 1359(513kb) Contact. MCD Issued on. 08 August 2025
Sub. New requirements for anchor handling winches due to the amendments to SOLAS II-1
At the 107th session of the IMO Maritime Safety Committee (MSC107) in June 2023, the amendments to SOLAS II-1 to provide safety requirements on lifting appliances and anchor handling winches were adopted and Regulation 3-13 was newly established as per the resolution MSC.532(107). Additionally, "Guidelines for Lifting appliances" (MSC.1/Circ.1663) and "Guidelines for Anchor handling winches" (MSC.1/Circ.1662) were approved. These new guidelines are referenced in SOLAS II-1/Reg.3-13. In addition, please refer to ClassNK Technical Information No. TEC-1340 dated 16 December 2024 and ClassNK Technical Information No. TEC-1303 dated 16 August 2023. This technical information introduces the new requirements for anchor handling winches. Since some parts of the .....
No. TEC- 1358(149kb) Contact. SVD Issued on. 04 August 2025
  This tech became null and void 18 November 2025.
Sub. STS Operations Plan for Panamanian-flagged Ships
Panama Maritime Authority (PMA) revised their Merchant Marine Circular MMC-217 for Ship-to-ship (STS) operations for Panamanian-flagged ships. Please note the following points on the Ship-to-ship (STS) Operations Plan for Panamanian-flagged ships 1. Applicability All Panamanian-flagged Oil Tankers of 150 gross tonnage and above, engaged in the transfer of oil cargo between oil tankers (STS operations) wherever they are located except for followings: ･ Bunkering operations; ･ STS operations within the territorial sea or exclusive economic zone of Panama must follow the provisions of Resolution J.D. No. 038-2022 of 25 August 2022; ･ Oil transfer operations associated with fixed or floating platforms, including drilling rigs; ･ FPSOs used for the offsho.....
No. TEC- 1357(127kb) Contact. EQD Issued on. 30 July 2025
  This tech became null and void 01 September 2025.
Sub. Compliance with new requirements for Lifting appliances in accordance with the Amendments to SOLAS II-1
At the 107th session of the Maritime Safety Committee (MSC 107), the Amendment to SOLAS II-1 was adopted, and new Regulation 3-13 was established. We informed in No. TEC-1340 issued on 16 December 2024 about the key requirements for lifting appliances. The amendment of SOLAS will come into force on 1 January 2026, we would like to inform shipowners and management companies of the following items for which they need to prepare in advance. 1. List* of Lifting Appliances and Documentary Evidence of Safe Working Load All lifting applications installed onboard ships subject to SOLAS II-1/3-13 are to be registered, regardless of the safe working load, by the time of the first periodical survey (annual, intermediate, and renewal survey) of Safety Construction .....
No. TEC- 1356(389kb) Contact. SVD Issued on. 30 July 2025
Sub. Amendments to the requirement for portable fire extinguishers on ships subject to the IGF Code
At the 108th session of the Maritime Safety Committee (MSC108) held in May 2024, amendments to the International Code of Safety for Ships using Gases or Other Low-Flashpoint Fuels (IGF Code) (Resolution MSC. 551 (108)) relating to the requirements for portable fire extinguishers were adopted. The additional requirements are as follows: 1. Application All ships subject to the IGF Code 2. Additional new requirements One portable dry chemical powder fire extinguisher of at least 5 kg capacity is to be provided in the fuel preparation room not later than the first periodical survey on or after 1 January 2026 (Paragraph 11.6.2, IGF Code). (If the arrangement of fire extinguishers on the ship is changed, the Fire Control Plan is to be changed and confirme.....
No. TEC- 1355(848kb) Contact. SVD Issued on. 04 July 2025
Sub. Omission of "Launching at 5 knots" test of Rescue boat(s) and Lifeboat(s) for Malta -flagged vessels
Transport Malta issued Technical Notice SLS.24 Rev.1 for omission of "Launching at 5 knots" test of Rescue boat(s) and Lifeboat(s) for sister ships. Previously, the omission of "Launching at 5 knots" test for sister ships during new building had not been accepted for Lifeboat(s). By the notice and detailed instruction, the omission of "Launching at 5 knots" test of not only Rescue Boat(s) but also Lifeboat(s) for sister ships is accepted subject to confirmation of the following: 1. the sister ships are built according to the same plans of the lead ship on which the test has been carried out; 2. they are provided with Rescue Boat(s), Lifeboat(s) and Launching arrangement(s) that are identical to those on the lead ship on which the launch test has been .....
No. TEC- 1354(2585kb) Contact. XAD Issued on. 04 July 2025
Sub. Summary of the outcomes of MEPC 83
The eighty-third session of the International Maritime Organization (IMO) Marine Environment Protection Committee (MEPC 83) was held from 7 to 11 April 2025. A summary of the discussions and the decisions taken at MEPC 83 is provided as below for your information. 1. Reduction of Greenhouse Gas (GHG) emissions from ships Draft regulations on the mid-term measures for reduction of greenhouse gas (GHG) have been approved. At MEPC 80 in 2023, the IMO adopted the 2023 IMO Strategy on Reduction of GHG Emissions from Ships (2023 IMO GHG Strategy), which sets out the IMO's levels of ambition (see the table below) including the aim to reach net-zero GHG emissions from international shipping by or around 2050. Further discussions continued in developing "Mid-t.....
No. TEC- 1353(952kb) Contact. GCD Issued on. 02 July 2025
Sub. Amendment of IMO's Guidelines for the development of the Inventory of Hazardous Materials regarding Ship Recycling Convention (RESOLUTION MEPC.405(83))
At the eighty-third session of the International Maritime Organization (IMO) Marine Environment Protection Committee (MEPC 83), amendments to the guidelines for the development of the Inventory of Hazardous Materials (IHM), as required under the Hong Kong International Convention for the Safe and Environmentally Sound Recycling of Ships, were discussed and were subsequently adopted on 11 April 2025 as RESOLUTION MEPC.405(83) "AMENDMENTS TO THE 2023 GUIDELINES FOR THE DEVELOPMENT OF THE INVENTORY OF HAZARDOUS MATERIALS (RESOLUTION MEPC.379(80))". A summary of the amendments to the Guidelines is provided below. ･ The amendments to the "2023 Guidelines for the Development of the Inventory of Hazardous Materials" adopted on 7 July 2023, clarifying the thre.....
No. TEC- 1352(1395kb) Contact. GCD Issued on. 30 June 2025
Sub. Compliance with Hong Kong Convention (Ship Recycling Convention) for Panamanian-flagged ships
Regarding compliance with the Hong Kong Convention (Ship Recycling Convention), the Panamanian Administration published Merchant Marine Circular MMC-386 (Rev.Jun/2025), which contains updated instructions. This ClassNK Technical Information provides information for shipowners and management companies on actions required regarding ship operations and ship recycling procedures in accordance with the Circular. -1. Development of the IHM Part I and Initial Surveys (Para. 6, 7) (1) New ships as defined in the Convention (a) Development of the IHM Part I by the New ship method and the IHM Initial Survey are required during the construction. (2) Existing ships as defined in the Convention (a) Development of the IHM Part I by the Expert method and the IHM I.....
No. TEC- 1351(31kb) Contact. SVD Issued on. 11 June 2025
Sub. LRIT conformance test for Panamanian flagged ship
The Panama Maritime Authority has revised Merchant Marine Circular MMC-195 (in May 2025) regarding the implementation of LRIT Conformance Test for Panamanian flagged ships. Therefore, the contents of the previous ClassNK Technical Information No.TEC-1321 (dated 30 April 2024) have been updated accordingly. This Technical Information supersedes the previous ClassNK Technical Information No.TEC-1321. -1. The circular applies to the following types of Panamanian flagged vessels, engaged on international voyages and constructed on or after 31 December 2008. (MMC-195, 4.1, 4.2) - All passenger ships - Cargo ships of 300 gross tonnage and above - Mobile Offshore Drilling Units (MODU) that are propelled by mechanical means - Offshore Support Vessels, Specia.....
No. TEC- 1350(2152kb) Contact. XAD Issued on. 01 May 2025
Sub. Summary of the Outcomes of MSC 109
The 109th session of the Maritime Safety Committee (MSC 109) was held from 2 to 6 December 2024. Since the minutes, resolutions and circulars of the meeting were recently released from the IMO, a summary of the decisions taken at MSC 109 is provided below for your information. 1. Adopted mandatory requirements Mandatory requirements adopted at MSC 109 are as follows: (1) Amendments to IGC Code (See attachment 1, 2) Amendments to chapter 16 of the IGC Code to make cargos identified as toxic products conditionally usable as fuel, in view of the launch of ammonia-fuelled vessels were adopted. In addition, the MSC circular to invite a voluntary early implementation of the amendments was also released. Applied: on or after 1 July 2026. (2) Amendment.....
No. TEC- 1349(1144kb) Contact. GCD Issued on. 23 April 2025
Sub. Compliance with the Hong Kong Convention (Ship Recycling Convention) / Regulation (EU) No. 1257/2013 on Ship Recycling (EU-SRR)- For Liberian flagged vessels
Regarding compliance with the Hong Kong Convention (Ship Recycling Convention) / Regulation (EU) No. 1257/2013 on Ship Recycling (EU-SRR), the Liberian Administration published Marine Notice POL-016 Rev.03/25, which contains updated instructions. This ClassNK Technical Information provides information on actions required in response to the Marine Notice issued by the Liberian Administration and supersedes ClassNK Technical Information No. TEC-1320. The main changes from ClassNK Technical Information No. TEC-1320 are underlined. 1. A summary of Marine Notice POL-016 Rev.03/25 is as follows: (1) All surveys under the Ship Recycling Convention of all ships in service registered or registering with Liberia, will be conducted by the Administration on or af.....
No. TEC- 1348(228kb) Contact. MCD Issued on. 03 April 2025
Sub. Rules concerning computer-based systems (IACS UR E22 (Rev.3) related)
Considering the actual computer-based systems that are adopted to vessels, ClassNK Technical Information No. TEC-1316, dated January 26, 2024, has been partially updated and published as TEC-1348. Accordingly, ClassNK Technical Information No. TEC-1316 is out of print. The main changes are as follows ・ Update content to be included in "3. Documents to be submitted" in TEC-1316 ・ Addition of example items of systems falling under Category II and III in "Attachment 1. Example of List of system categorizations" in TEC-1316 IACS UR E22 (hereinafter referred to as "UR E22") is unified requirements relating to computer-based systems used on vessels, which has recently been amended and adopted as UR E22 (Rev.3) to better clarify the requirements, specific to e.....
No. TEC- 1346(824kb) Contact. HLD Issued on. 14 February 2025
Sub. STS Operation for Singapore Flag Ships
Singapore MPA issued Shipping Circular No.16 of 2024 for mid-ocean Ship-to-ship (STS) operations for Singapore-registered ship. Please note the following points on Ship-to-ship (STS) Operations Plan for Singapore-registered ships. 1. If a Singapore-registered ship carry out mid-ocean STS operation, notification procedure to the Flag Administration is required to be included in STS Operations Plan of the ship. Herein, "mid-ocean" means sea area other than the territorial sea, or the exclusive economic zone where notification of STS operations to the Authority is required in Reg.42, Annex I of MARPOL. 2. Ship having approved STS Operations Plan and will carry out mid-ocean STS operation is required to insert pages for notification procedure to the Flag A.....
No. TEC- 1345(22kb) Contact. EQD Issued on. 31 January 2025
Sub. Notice of voluntary replacement of rocket parachute flares Kokusai Kakoh Co., Ltd / Type: KP-16
Kokusai Kakoh Co., Ltd. has issued a notice of the replacement of the following rocket parachute flares: Product name/type: Kokusai Kakoh Co., Ltd. Rocket parachute flares Type: KP-16 Date of manufacture: From February 2021 to July 2024 Owners and management companies of vessels equipped with the product(s) concerned are requested to follow the instructions from Kokusai Kakoh Co., Ltd. on their website at https://www.kokusai-kakoh.co.jp/kp-16en.html. For any questions about the above, please contact: NIPPON KAIJI KYOKAI (ClassNK) Material and Equipment Department, Administration Center Annex, Head Office Address: 3-3 Kioi-cho, Chiyoda-ku, Tokyo 102-0094, Japan Tel.: +81-3-5226-2020 Fax: +81-3-5226-2057 E-mail: eqd@classnk.or.jp.....
No. TEC- 1344(958kb) Contact. MCD Issued on. 14 January 2025
Sub. Designation of the Canadian Arctic Area and Norwegian Sea Area as Emission Control Areas under MARPOL ANNEX VI (Regulations for the Prevention of Air Pollution from Ships)
While information on Emission Control Areas (hereinafter referred to as ECA) specified in MARPOL ANNEX VI (hereinafter referred to as ANNEX VI) has already been provided in ClassNK Technical Information Nos.TEC-0654, TEC-0771, TEC-0832, TEC-0866 and TEC-1292, please be advised that said information also now applies to the Canadian Arctic Area and Norwegian Sea Area since they have been designated as new ECA in accordance with amendments to ANNEX VI adopted at the 82nd session of the Marine Environment Protection Committee (MEPC 82) held in October 2024. Relevant information regarding this has been circulated by the IMO as Resolution MEPC.392(82). This ClassNK Technical Information provides the following information related to the above. 1. Sea areas newl.....
No. TEC- 1343(1214kb) Contact. XAD Issued on. 07 January 2025
Sub. Summary of the outcomes of MEPC 82
The eighty-second session of the International Maritime Organization (IMO) Marine Environment Protection Committee (MEPC 82) was held from 30 September to 4 October 2024. A summary of the discussions and the decisions taken at MEPC 82 is provided as below for your information. 1. Greenhouse Gases (GHG) Reduction of greenhouse gas (GHG) emissions to address global warming is a universal challenge, and the measures to reduce GHG emissions from international shipping have been deliberated at IMO. Such measures introduced at the IMO so far include the regulation of Energy Efficiency Design/Existing Ship Index (EEDI/EEXI), retaining of the Ship Energy Efficiency Management Plan (SEEMP) onboard, and reporting annual fuel oil consumption data in the IMO Data Co.....
No. TEC- 1342(49kb) Contact. GCD Issued on. 27 December 2024
Sub. FuelEU Maritime implementation delayed in Norway and Iceland
As announced in ClassNK Technical Information No. TEC-1329 (issued on 29 July 2024) and No.TEC-1308 (issued on 3 October 2023), the FuelEU Maritime Regulation, an EU regulation aimed at promoting the decarbonization of fuels used on ships, has entered into force and starts on 1 January 2025. In accordance with this regulation, ISM companies having ships above 5,000 gross tonnage calling at ports within the jurisdiction of EEA Member States for transporting passengers or cargo for commercial purposes, regardless of their Flag State, are required to monitor the amount of energy (fuel type and consumption) used by ships during voyages and at berth. The EEA (European Economic Area) Member States consist of the 27 EU member states plus Norway, Iceland, and .....
No. TEC- 1340(1031kb) Contact. EQD Issued on. 16 December 2024
Sub. New requirements for Lifting appliances due to the Amendments to SOLAS II-1
At the 107th session of the Maritime Safety Committee (MSC107), the Amendment to SOLAS II-1 regarding requirements of Lifting appliances and Anchor handling winches were adopted and Regulation 3-13 was newly established. Additionally, "Guidelines for Anchor handling winches" (MSC.1/Circ.1662) and "Guidelines for Lifting appliances" (MSC.1/Circ.1663) was approved. These new guidelines are referenced in SOLAS II-1/3-13. The Technical Information introduces the new requirements for Lifting appliances. 1. Application* The following apply to ships of 500 gross tonnage and above engaged in international voyages. * Application for ships (including Japanese flag ships) which do not fall under the above will be informed by ClassNK web site, if it is available. .....
No. TEC- 1339(798kb) Contact. GCD Issued on. 12 December 2024
Sub. Implementation of new parameters for IMO DCS monitoring and SEEMP II revision
At the 81st session of the Marine Environment Protection Committee (MEPC81), MARPOL Annex VI was amended and additional reporting items in the DCS Regulations were approved. Subsequently, at the 82nd session of the Marine Environment Protection Committee (MEPC82), the guidance on application was approved and, the schedule for application has been finalized. 1. Overview of additional monitoring items in IMO-DCS The following items are newly included in the reporting items. - Total fuel oil consumption per combustion systems (main engines, auxiliary engines/generators and oil-fired boilers); - Total fuel oil consumption while the ship is not under way; - Laden distance travelled (on a voluntary basis); - Transport work; - Total amount of on-shore po.....
No. TEC- 1338(1108kb) Contact. HLD Issued on. 06 December 2024
Sub. Application of INTERNATIONAL CODE OF SAFETY FOR SHIPS CARRYING INDUSTRIAL PERSONNEL （IP Code）
With the growing adoption of offshore wind power generation, an increase in the number of vessels involved in accessing offshore wind power facilities, installing wind turbines, laying submarine cables, as well as performing maintenance and decommissioning post-operation is anticipated. Traditionally, workers transported to these offshore facilities on such vessels have been classified as passengers. As a result, when transporting more than 12 workers, the requirements for passenger ships, as specified by SOLAS Regulations, have applied. However, applying the requirements for passenger ships to vessels transporting workers has been considered impractical. Therefore, regulations concerning vessels transporting personnel working on offshore facilities, such a.....
No. TEC- 1336(1217kb) Contact. SVD Issued on. 26 November 2024
Sub. Revised Unified Interpretation of inspection and maintenance of means of access specified in MSC.1/Circ.1572/Rev.2.
At the 108th session of the Maritime Safety Committee (MSC108), amendment to IMO circular containing a unified interpretation of SOLAS II-1/3-6 and its technical regulations MSC.158(78) on the means of access required for oil tankers of 500 gross tonnage and bulk carriers, as defined of SOLAS IX/1, of 20,000 gross tonnage and over on vessels the keels of which are laid on or after 1 January 2005 was adopted as MSC.1/Circ.1572/Rev.2 and the provisions related to the interval for the inspection of the means of access and records were revised. Therefore, shipowners and ship management companies are required to take necessary actions accordingly referring to the following information until the application date of new provisions. 1. Application The Unified I.....
No. TEC- 1335(2967kb) Contact. XAD Issued on. 08 November 2024
Sub. Summary of the Outcomes of MSC 108
The 108th session of the Maritime Safety Committee (MSC 108) was held from 15 to 24 May 2024. Since the minutes, resolutions and circulars of the meeting were recently released from the IMO, a summary of the decisions taken at MSC 108 is provided below for your information. 1. Adopted mandatory requirements Mandatory requirements adopted at MSC 108 are as follows: (1) Amendments to SOLAS regulation II-1/3-4 (See attachment 1) Amendments to SOLAS regulation II-1/3-4 to require emergency towing arrangements on ships, other than tankers, of not less than 20,000GT were adopted. In addition, guidelines specifying specific requirements for the arrangement are under consideration by the Sub-Committee on Ship Design and Construction (SDC) with a target compl.....
No. TEC- 1334(31kb) Contact. GCD Issued on. 25 October 2024
Sub. Maintaining and updating part I of the Inventory during operations with the Hong Kong Convention (Ship Recycling Convention)
The Hong Kong International Convention for the Safe and Environmentally Sound Recycling of Ships, 2009 (hereinafter referred to as the "Ship Recycling Convention"), will enter into force on 26 June 2025, as announced in ClassNK Technical Information No. TEC-1311. ClassNK provide guidance on the maintenance of Part I of the Inventory of Hazardous Materials (IHM) required for shipowners, in accordance with the Ship Recycling Convention and the IMO Guidelines for Inventory Development (Resolution MEPC.379(80)). With regard to the maintenance of Part I of the Inventory of Hazardous Materials (hereinafter referred to as “IHM”), the following requirements are imposed on shipowners/ship management companies by the Convention and the IMO guidelines: 1. The .....
No. TEC- 1333(1349kb) Contact. SVD Issued on. 11 October 2024
Sub. Arrangement of Occasional Survey for issuance of AFS Certificate in accordance with the amendment of the AFS Convention to add the Cybutryne to the list of banned substances
As previously informed in ClassNK Technical Information No.TEC-1288 and TEC-1315, vessels having AFS Certificate as of the effective date of the amendment to the AFS Convention to add Cybutryne to the list of banned substances (1 January 2023) shall undergo documentary verification and receive AFS Certificate in a new format within 2 years from the effective date (by 31 December 2024). For the vessels which AFS Certificate in a new format yet has not issued yet, the following Note appears in Survey Status: [The AFS Certificate is to be re-issued with a new format by 31 December 2024.] Meanwhile, for the vessels which AFS Certificate in a new format was issued without the result of verification of Cybutryne due to some reason, below Note appears in Sur.....
No. TEC- 1332(1400kb) Contact. EQD Issued on. 11 October 2024
Sub. Application of IMSBC Code 7th Amendment
Regarding the application of IMSBC Code Amendment 07-23 informed on ClassNK Technical Information No.TEC-1314, a part of Appendix "Ventilation Requirement of DIRECT REDUCED IRON(D)" was revised. The revised part is underlined in Attachment 4. Associated with the revision, the existing ClassNK Technical Information No.TEC-1314 was superseded. The IMSBC Code amended by IMO Resolution MSC.539(107) is referred to as "IMSBC Code 7th Amendment" in this Technical Information. The current IMSBC Code 6th Amendment is valid until 31 December 2024. Therefore, ClassNK Technical Information No.TEC-1283 dated 21 December 2022 will be revoked on 31 December 2024. 1. Application of the IMSBC Code 7th Amendment The IMSBC Code 7th Amendment to revise individual sched.....
No. TEC- 1331(46kb) Contact. EQD Issued on. 01 October 2024
Sub. Special requirements for life-saving appliances and equipment installed on board Singapore-flagged vessels
The Marine and Port Authority of Singapore (MPA Singapore) has announced the following special requirement related to life-saving appliances and equipment installed on board Singapore-flagged vessels. This requirement applies to all Singapore-flagged vessels regardless of their date of construction. Compliance with this requirement is to be confirmed at the next survey related to the Cargo Ship Safety Equipment Certificate (i.e. SE survey) on or after the issued date of this ClassNK Technical Information. [Requirement] Wire-rope grips for the falls of life-saving appliances, such as bulldog grips, are not acceptable for any primary load-bearing terminations. This includes falls for lifeboats, rescue boats and davit-launched liferafts as well as hanging o.....
No. TEC- 1330(1185kb) Contact. SVD Issued on. 13 August 2024
  This tech became null and void 27 February 2025.
Sub. Tokyo and Paris MoU Joint Concentrated Inspection Campaign (CIC) on Crew Wages and Seafarer Employment Agreement (MLC, 2006)
This is to inform that the Tokyo and the Paris Memoranda of Understanding (MoU) on Port State Control announced a press release about the joint concentrated inspection campaign (CIC). Inspection item：Crew Wages and Seafarer Employment Agreement (MLC, 2006) Campaign period：From 1 September 2024 to 30 November 2024 For more information, please refer to the attached press release issued by the Tokyo MoU and the Paris MoU. For any questions about the above, please contact: NIPPON KAIJI KYOKAI (ClassNK) Survey Department, Administration Center Annex, Head Office Address: 3-3 Kioi-cho, Chiyoda-ku, Tokyo 102-0094, Japan Tel.: +81-3-5226-2027 Fax: +81-3-5226-2029 E-mail: svd@classnk.or.jp.....
No. TEC- 1329(96kb) Contact. GCD Issued on. 29 July 2024
Sub. FuelEU monitoring plan required under the FuelEU Maritime Regulation
As announced in ClassNK Technical Information No.TEC-1308 (issued on 3 October 2023), the "Fuel EU Maritime" Regulation, an EU regulation aimed at promoting the decarbonization of fuels used on ships, has entered into force and starts on 1 January 2025. In accordance with this regulation, ISM companies having ships above 5,000 gross tonnage calling at ports within the jurisdiction of EEA Member States for transporting passengers or cargo for commercial purposes, regardless of their Flag State, are required to develop FuelEU monitoring plan, which sets out the methods for monitoring and reporting the amount of energy (fuel type and consumption) used by ships during voyages and at berth and submit it to verifier by 31 August 2024. The submitted FuelEU moni.....
No. TEC- 1328(39kb) Contact. TSD Issued on. 05 July 2024
Sub. Changes in the Affixation of Class Notation to Ships Using Low-flashpoint Fuels
According to the amendments to Part A of the Rules for Survey and Construction of Steel Ships (hereafter, "Rules"), etc., the type of low-flashpoint fuel will be indicated in the class notation. Similarly, for ships carrying liquified gases in bulk subject to Part N of the Rules that use cargo as fuel, the relevant regulation will be amended to indicate the type of fuel in the class notation. After the amendments are entered into force on or after 1 July 2024, the class notation of the applicable ships will be handled as follows 1. through 3. For your information, notwithstanding the following 1. and 2., the amendments to the Rules may apply to ships other than ships for which the Special Survey is completed on or after 1 July 2024 upon request by the own.....
No. TEC- 1327(104kb) Contact. SMD Issued on. 28 June 2024
Sub. Inspection and certification relating to the entry into force of the 2022 Amendments to the MLC, 2006 on 23 December 2024
As you are aware, the 2022 Amendments to the MLC, 2006 will enter into force on 23 December 2024 in the countries that have ratified the MLC, 2006. According to these amendments, shipowners should pay particular attention to the following provisions as they relate to the relevant items. For your reference, please find the AMENDMENTS OF 2022 TO THE MLC, 2006 as the attached. 1. Standard A3.1 (Accommodation and recreational facilities) (1) Appropriate recreational facilities including social connectivity (e.g., internet access, etc.) are to be provided to seafarers. 2. Standard A3.2 (Food and catering) (1) Food and drinking water are to be provided free of charge to the seafarer during the period of engagement. (2) Meals provided to the seafarer are to .....
No. TEC- 1326(109kb) Contact. SVD Issued on. 21 June 2024
  This tech became null and void 07 November 2025.
Sub. Measures to reduce the number of PSC detentions and to improve the performance of Panamanian vessels
The Panama Maritime Authority has updated the Merchant Marine Circular MMC-380 on measures to reduce the number of PSC detentions and to improve the performance of Panamanian vessels. In this regard, the previous ClassNK Technical Information No.TEC-1297 (dated 22 May 2023) have been revised accordingly. This Technical Information supersedes the previous ClassNK Technical Information No.TEC-1297. With this update, the following vessels are subject to the occasional survey: 1. Each vessel required by the Panama Maritime Authority based on PSC results in the last twenty-four (24) months, regardless of its age 2. Each vessel older than ten (10) years of construction and considered with a high risk factor by the United States Coast Guard (USCG), Paris MO.....
No. TEC- 1325(2495kb) Contact. XAD Issued on. 30 May 2024
Sub. Summary of the outcomes of MEPC 81
The eighty-first session of the International Maritime Organization (IMO) Marine Environment Protection Committee (MEPC 81) was held from 18 to 22 March 2024. A summary of the discussions and the decisions taken at MEPC 81 is provided as below for your information. 1. Greenhouse Gases (GHG) At MEPC 80 held in July 2023, the 2023 IMO Strategy on Reduction of GHG Emissions from Ships (2023 IMO GHG Strategy) was adopted, reinforcing the levels of ambition for reducing GHG emissions from international shipping. At this session at MEPC 81, measures already in force such as the Data Collection System for fuel oil consumption of ships (IMO DCS), Energy Efficiency Existing Ship Index (EEXI) and Carbon Intensity Indicator (CII) regulations were reviewed along wit.....
No. TEC- 1324(2033kb) Contact. MCD Issued on. 24 May 2024
Sub. Amendments to Ballast Water Management Record Book and Ballast Water Management Plan
Several resolutions and circulars related to amendments to the Ballast Water Management Convention were issued by the International Maritime Organization's (IMO) Marine Environment Protection Committee at its 80th Session (MEPC 80) held from 3 July to 7 July 2023 and its 81st Session (MEPC 81) held from 18 March to 22 March 2024. 1. Ballast Water Management Record Book (BWRB) Amendments to the form used for BWRB set out in Appendix II of the Ballast Water Management Convention (Attachment 1: MEPC.369(80)) and a guidance providing sample entries of an amended BWRB (Attachment 2: BWM.2/Circ.80) have been adopted. On or after the effective date, the amended BWRB must be used to record ballast water management in accordance with this guidance. Effective.....
No. TEC- 1323(25kb) Contact. EQD Issued on. 22 May 2024
Sub. Operating VHF channel for Kieldrecht lock at the port of Antwerp and New lock at the port of Terneuzen alongside the Sheldt river (Nieuwe Sluis Terneuzen)
Information Notices have been issued by UK MCA and Gibraltar Maritime Administration to announce the information on operating VHF channels at Kieldrecht lock at the port of Antwerp and New lock at the port of Terneuzen alongside the Sheldt river (Nieuwe Sluis Terneuzen) based on the communication by the Governments of Belgium and the Kingdom of the Netherlands. A summary of those notices issued based on the communication by Government of Belgium and the Kingdom of the Netherlands is as follows. 1. The operation channel for the Kieldrecht lock at the port of Antwerp will be altered from VHF voice channel 88 to VHF voice channel 1027 (27L) as from 1 January 2024. Ships passing through Kieldrecht lock are strongly advised to update their VHF equipment befor.....
No. TEC- 1322(1440kb) Contact. SVD Issued on. 02 May 2024
Sub. The internal inspection during periodical survey of ballast tanks and void spaces on bulk carriers
IMO Resolution A. 1049(27) (2011 ESP Code) regulates the requirements of the Enhanced Survey Programme for bulk carriers and oil tankers. The resolution includes coating condition criteria for ballast tanks and further specifies that internal inspections are required at annual intervals in cases where said coating conditions fail to satisfy the criteria. Although different coating condition criteria have been applied to bulk carriers and oil tankers, the IMO amended the ESP Code to revise the coating condition criteria for the ballast tanks of bulk carriers as well as to clarify some other requirements. This amendment was adopted as Resolution MSC.525(106). The outlines are as follows: 1. Applicability: The requirements are to be applied for sur.....
No. TEC- 1321(31kb) Contact. SVD Issued on. 30 April 2024
  This tech became null and void 11 June 2025.
Sub. LRIT conformance test for Panama flagged ship
The Panama Maritime Authority has revised Merchant Marine Circular MMC-195 (in March 2024) regarding the implementation of LRIT Conformance Test for Panama flagged ships. Therefore, contents of the previous ClassNK Technical Information No.TEC-1301 (dated 6 July 2023) have been revised. This Technical Information supersedes the previous ClassNK Technical Information No.TEC-1301. - The LRIT conformance test shall be carried out within one year from the initial/latest conformance test, in addition to cases of all new installations. To comply with this annual conformance test, Panamanian vessels shall follow the timetable as below: (1) Vessels having the conformance test completed prior to 31 December 2018, should complete the test before the end of Septem.....
No. TEC- 1320(534kb) Contact. GCD Issued on. 25 April 2024
  This tech became null and void 23 April 2025.
Sub. Compliance with the Hong Kong Convention (Ship Recycling Convention) / Regulation (EU) No. 1257/2013 on Ship Recycling (EU-SRR)- For Liberian flagged vessels
Regarding compliance with the Hong Kong Convention (Ship Recycling Convention) / Regulation (EU) No. 1257/2013 on Ship Recycling (EU-SRR), the Liberian Administration published Marine Operations Note 01/2024/Rev.1 and Marine Operations Note 02/2024/Rev.1. This ClassNK Technical Information provides information on actions required in response to these Notes issued by the Liberian Administration and supersedes ClassNK Technical Information No.TEC-1313. 1. A summary of Marine Operations Note 01/2024/Rev.1 is as below, (1) All surveys under the Ship Recycling Convention of all ships in service registered or registering with Liberia, will be conducted by the Administration after 1 April 2024 except for Initial surveys for new ships. (2) The Administratio.....
No. TEC- 1319(1092kb) Contact. SVD Issued on. 08 March 2024
  This tech became null and void 20 October 2025.
Sub. LRIT conformance test for Liberia flagged ships
Regarding LRIT conformance test, Liberia Maritime Authority published Marine Notice ISP-003 Rev.07/24. A summary of Marine Notice ISP-003 Rev.07/24 is as below. 1. Commencing 1 January 2024, all Conformance Test Reports will be issued with validity not exceeding twelve (12) months from the conformance test completion date. 2. As of 1 April 2024, the Annual conformance test shall be conducted annually based on the anniversary date of the last conformance test, including LRIT with a Conformance Test Report issued on or before 31 December 2023. 3. The due date of the first Annual conformance test is based on the date of the latest conformance test, regardless of the year conducted. For further details, please refer to the attached Marine Advisory: 20.....

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