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Last update : 2025/07/04

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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(23kb) Contact. SVD Issued on. 21 June 2024
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(1055kb) 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(987kb) Contact. SVD Issued on. 08 March 2024
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.....
No. TEC- 1318(27kb) Contact. EQD Issued on. 26 February 2024
Sub. Fire extinguishing arrangement for paint and flammable liquid lockers on Marshall Islands flagged vessels
The Government of the Republic of Marshall Islands has noticed ClassNK of the special requirements for fire extinguishing arrangement for paint and flammable liquid lockers on Marshall Islands flagged vessels (Marine Notice No. 2-011-6 Rev. 2023). This Technical Information supersedes the previous ClassNK Technical Information No.TEC-0506 dated 10 March 2003. Depending on the area of the deck, paint and flammable liquid lockers should be provided with the following fire extinguishing system or portable fire extinguisher. 1. Existing vessels with keel laid before 1 February 1992 (1) Lockers of 10m2 or less in deck area – one portable fire extinguisher* should be located outside the entrance to the space. (2) Lockers greater than 10m2, but not greater.....
No. TEC- 1317(294kb) Contact. MGD Issued on. 31 January 2024
Sub. The EU-ETS for shipping sector and amendments to EU-MRV (2nd Report)
As announced in ClassNK Technical Information No.TEC-1299 (issued on 24 May 2023), the amendments to the EU Directive governing the European Emissions Trading System for the maritime transport sector ("EU-ETS Directive") and the related European regulation on the monitoring, reporting and verification of GHG emissions from maritime transport ("EU-MRV Regulations") have took effect from 1 January 2024. Implementing regulations that provide the details of the implementation of the revised EU-ETS Directive and the revised EU-MRV Regulations have been published, and a list of the Administering Authorities for each shipping company was published on 1 February 2024. This Technical Information identifies the actions required to comply with these regulations t.....
No. TEC- 1316(222kb) Contact. MCD Issued on. 26 January 2024
  This tech became null and void 03 April 2025.
Sub. Rules concerning computer-based systems (IACS UR E22 (Rev.3) related)
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 each of the phases of design, development, commissioning, and maintenance. ClassNK has amended Rules to involve incorporating UR E22 (Rev.3) into Rules/Guidance for the Survey and Construction of Steel Ships, Part X that have been newly established (scheduled to come into effect in July 2024). Contemporaneously with the amendments, existing Part D, Chapter 18, Annex 18.1.1 of the Rules and Guidance for the Survey and Construction of Steel Ships, which specifies the requirements pursuant to UR E22 (Rev.2), has been deleted. .....
No. TEC- 1315(888kb) Contact. SVD Issued on. 18 January 2024
Sub. Issuance of AFS Certificate in accordance with the amendment of the AFS Convention to add the Cybutryne to the list of banned substances (Reminder)
As previously informed in ClassNK Technical Information No.TEC-1288, 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.] In this regard, for vessels with the above Note, please arrange AFS periodical or occasional survey and receive AFS Certificate in a new format by 31 December 2024. While the abov.....
No. TEC- 1314(1346kb) Contact. EQD Issued on. 20 December 2023
  This tech became null and void 11 October 2024.
Sub. Application of IMSBC Code 7th Amendment
Please be informed the application of IMSBC Code Amendment 07-23 as follows. 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 schedules of cargoes was adopted by the IMO Maritime Safety Committee 107th session (MSC107) held in June 2023. The Amendment will enter into force on 1 January 2025 and will be mandatory for all ships loading solid bulk cargoes on or after 1 January 2025. 2. Cargoes newl.....
No. TEC- 1313(36kb) Contact. SMD Issued on. 20 December 2023
  This tech became null and void 25 April 2024.
Sub. Compliance with the Ship Recycling Convention / Regulation (EU) No. 1257/2013 on Ship Recycling (EU-SRR)- For Liberian flagged vessels
ClassNK Technical Information, No. TEC-1295, which contains guidance on ships of Liberian registry on compliance with Regulation (EU) No. 1257/2013 on Ship Recycling (EU-SRR), was updated. Associated with the update, the existing No. TEC-1295 was superseded. Information on the compliance with the Ship Recycling Convention / Regulation (EU) No. 1257/2013 on Ship Recycling (EU-SRR) for Liberian flagged ships has been updated in MARINE OPERATIONS NOTE 06/2023 and Marine Advisory: 22/2023. According to MARINE OPERATIONS NOTE 06/2023 and Marine Advisory: 22/2023, Issuance of International Certificate on Inventory of Hazardous Materials has started for Liberian flagged ships, and Liberian flagged ships applicable to Ship Recycling Convention are required to dev.....
No. TEC- 1312(29kb) Contact. SMD Issued on. 27 November 2023
Sub. Amendment of IMO's Guidelines for the development of the Inventory of Hazardous Materials regarding Ship Recycling Convention (RESOLUTION MEPC.379(80))
As announced in ClassNK Technical Information No.TEC-1309 dated on 12 October 2023, with respect to the restriction of the use of cybutryne as anti-fouling system since January 2023, amendments to the Guidelines for the Development of the Inventory of Hazardous Materials (Res. MEPC.269(68)) have been adopted at MEPC.80 in July 2023, and RESOLUTION MEPC.379(80) "2023 GUIDELINE FOR THE DEVELOPMENT OF THE INVENTORY OF HAZARDOUS MATERIALS" has been issued adding cybutryne to hazardous materials to be listed in the Inventory of Hazardous Materials (IHM), the development of which is required in the Hong Kong International Convention for the Safe and Environmentally Sound Recycling of Ships, 2009. ClassNK "Guidelines for the Inventory of Hazardous Materials" has.....
No. TEC- 1311(47kb) Contact. SMD Issued on. 30 October 2023
Sub. The Hong Kong International Convention for the Safe and Environmentally Sound Recycling of Ships, 2009 (the Ship Recycling Convention)
The Ship Recycling Convention, hereinafter referred to as the Convention, will enter into force on 26 June 2025, as announced in ClassNK Technical Information No. TEC-1300. This Technical Information provides a summary of the Ship Recycling Convention. 1 Effective date: 26 June 2025 2 Application: (1) This Convention shall apply to: (i) ships entitled to fly the flag of a Party or operating under its authority, and (ii) ship recycling facilities operating under the jurisdiction of a Party. (2) The Convention shall not apply to the following. However, each Party can ensure, by the adoption of appropriate measures, that such ships act in a manner consistent with this Convention, so far as it is reasonable and practicable. (i) ships of less than 500 GT.....
No. TEC- 1310(928kb) Contact. SMD Issued on. 26 October 2023
Sub. Application of Cyber Risk Management to U.S. vessels, foreign flagged vessels that call on ports in the U.S., and MODUs.
The Vessel Cyber Risk Management Work Instruction (CVC-WI-027(1)) was issued by the U.S. Coast Guard on 27 October 2020. According to this WI, the USCG expects that all companies with U.S. vessels, foreign flagged vessels that call on ports in the U.S., and MODUs. should ensure cyber risk management is appropriately addressed in their SMS. If objective evidence is identified indicating that the foreign flagged vessels that call on ports in the U.S., and MODUs. failed to implement its SMS with respect to cyber risk management, the following actions should be directed by the PSCO: 1 If cyber risk management has not been incorporated into the vessel's SMS by the company's first annual verification of the DOC after 1 January 2021, a deficiency should be iss.....
No. TEC- 1309(4377kb) Contact. XAD Issued on. 12 October 2023
Sub. Summary of the outcomes of MEPC 80
The eightieth session of the International Maritime Organization (IMO) Marine Environment Protection Committee (MEPC 80) was held from 3 to 7 July 2023. A summary of the discussions and the decisions taken at MEPC 80 is provided as below for your information. 1. Greenhouse Gases (GHG) (1) The 2023 IMO Strategy on reduction of GHG emissions from ships The 2023 IMO Strategy on reduction of GHG emissions from ships (2023 IMO GHG Strategy) was adopted at this session. The Initial IMO Strategy on reduction of GHG emissions from ships, adopted in 2018, envisages to improve transportation efficiency by setting levels of ambition as shown in the following table. The Strategy is subject to a review every five years. (To be continued).....
No. TEC- 1308(117kb) Contact. MGD Issued on. 03 October 2023
Sub. Adoption of the FuelEU Maritime Regulation
The "Fuel EU Maritime" Regulation, an EU regulation aimed at promoting the decarbonization of fuels used on ships, has entered into force and will begin on 1 January 2025. This regulation requires ships with a gross tonnage above 5,000 GT calling at ports within the jurisdiction of EEA Member States1 for transporting passengers or cargo for commercial purposes, regardless of their Flag state, to comply with the following provisions: (1) Provisions setting a limit on the GHG intensity for fuels used on ships (2) Provisions obligating the use of on-shore power supply (OPS) or zero-emission technologies in ports (Only container ships and passenger ships) Summaries of the FuelEU Maritime Regulations are as follows: 1. Summary of the provisions setting .....
No. TEC- 1307(996kb) Contact. MGD Issued on. 13 September 2023
Sub. Handling of IMO Interim Guidance on the Use of Biofuels under IMO-DCS and CII regulation
At the 80th Marine Environment Protection Committee (MEPC 80), the Interim Guidance on the use of biofuels under regulations 26, 27, and 28 of MARPOL Annex VI (IMO-DCS and CII regulations) (MEPC.1/Circ.905) was approved. As a result, it is possible to calculate the CO2 emission factor (Cf) for biofuels that meet the conditions, and to use it under the IMO-DCS and CII regulations. The following summary is the IMO Interim Guidance on the Use of Biofuels. 1. Summary of the Interim Guidance about using Biofuels In the 2022 Guidelines on Operational Carbon Intensity Indicators and Calculation Methods (RESOLUTION MEPC.352(78) 2022 GUIDELINES ON OPERATIONAL CARBON INTENSITY INDICATORS AND THE CALCULATION METHODS (CII GUIDELINES, G1)), it is stipulated that.....
No. TEC- 1306(26kb) Contact. SVD Issued on. 13 September 2023
  This tech became null and void 01 December 2023.
Sub. Caribbean MoU Concentrated Inspection Campaign (CIC) on Fire Safety Systems and Pilot Ladder Transfer Systems
This is to inform that the Caribbean Memoranda Understanding (MoU) on Port State Control announced a press release about the concentrated inspection campaign (CIC). Specific Areas: Fire Safety Systems and Pilot Ladder Transfer Systems Period: From 1 September 2023 to 30 November 2023 The details are available on the website below. https://www.caribbeanmou.org/news/cmou-cic-fire-safety-systems-and-pilot-ladders 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.....

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