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Last update: 2026/06/02
This Technical Information became null and void on 27 Jun 2001.
Method for calculating capacity of accumulating batteries used for a reserve source or sources of energy of radio installation on board the Philippine flag GMDSS ships
Every GMDSS ship should be provided with a reserve source or sources of energy with power supplying capacity specified in Regulation 13.2 of Chapter IV of 1988 Amendments to the 1974 SOLAS Convention. The Philippine Government has instructed the Society how to calculate the capacity of the accumulated batteries used for a reserve source or sources of energy on board the Philippine flag GMDSS ships. Hereinafter, the capacity of the batteries should be calculated in accordance with the method prescribed in"BATTERY CALCULATION SHEET" attached hereto, when you calculate the capacity of the batteries used for a reserve source or sources of energy of radio installation on board the Philippine flag GMDSS ships. Attachment : BATTERY CALCULATION SHEEPartial Exemption from the Requirements for GMDSS for Greek Flag GMDSS Ships Engaging on Voyages in the Mediterranean and Black Sea
The Administration may grant partial or conditional exemptions from the requirements of Regulations IV/7 to IV/11 according to Regulation IV/3 of the1988 Amendments of 1974 SOLAS Convention. The Government of the Hellenic Republic has notified the Society of the conditions for exemption from the requirements of GMDSS for Greek flag GMDSS ships engaged on voyages solely in the Mediterranean and Black Sea, which are reproduced as follows. 1. According to IMO Circular "GMDSS Master Plan", sea areas A2 in the Mediterranean and Black Sea are designated around the Hellenic Republic and only in some other parts. Ships engaged on voyages in the Mediterranean and Black Sea beyond these sea areas A2 should be provided with radio equipment for sea areas A1+A2+A3.Inflatable liferafts, marine evacuation systems and hydrostatic release units on board Greek flag ships
This is informing you of the following requirements of the Government of Hellenic Republic for inflatable liferafts, marine evacuation systems and hydrostatic release units on board Greek flag ships. 1. Inflatable liferafts and marine evacuation systems should be serviced at servicing stations approved by the Government of Hellenic Republic and the manufacturer. Hydrostatic release units should be serviced at servicing stations approved by Government of Hellenic Republic. However, in case that the ship is not expected to call at a Greek port where there is an authorized servicing station by the due date for the next servicing, servicing at a servicing station approved by other contracting governments to SOLAS or by organizations recognized by these goverLaunching appliance and lifeboat on-load release gear on board Malta flag ships
Regulation 20.11. Of Chapter III of the 1996 Amendments to the 1974 SOLAS Convention specifies that launching appliances and lifeboat on-load release gear should be subjected to a thorough examination / a dynamic test of the winch brake for the former and an overhauling / an operational test for the latter at least once every five (5) years (hereinafter referred to as "service") respectively. The requirements of the Malta Government related to the regulation are shown in Technical Information No.331 dated 30 September 1999 of the Society. In this respect, the Government has informed the Society that the regulation should also apply to the launching appliances installed on board '83SOLAS existing ships (ships constructed before 1 July 1986) as follows. TThis Technical Information became null and void.
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This Technical Information became null and void on 22 Jan 2016.
Revised Requirements for Radio Personnel for Kuwait Flag GMDSS ships.
The requirements of the Kuwait Government for radio personnel on board its flag GMDSS ships are given in NK Technical Information No. 169 of 20 October 1995. The Kuwait Government has notified this Society of its revision to these requirements which is reproduced below for your information and necessary arrangements. -------------------------------------------------------------------------- Revised Requirements for Radio Personnel on Board Kuwait Flag GMDSS Ships One Radio Electronic Certificate (REC) holder, or Two General Operator's Certificate (GOC) holders of which one should be a Junior Deck Officer Department in charge: Material and EquiThis Technical Information became null and void on 15 Aug 2007.
Timber deck cargo in the context of damage stability requirements Interpretation on Paragraph 1 of Regulation 25-8, Chapter II-1, SOLAS
In case where the damage stability calculation for ships carrying timber deck cargoes is made in accordance with Chapter II-1 of SOLAS, the buoyancy of the timber deck cargoes could not be taken into account in that calculation up to now. But, IACS decided that the buoyancy of timber deck cargoes shall be taken into account in the damage stability calculations and adopted the unified interpretation, UI SC 161, concerning to this issue on 25 April 2000 at IACS Council. This UI SC 161 will enter into force from 1 January 2001. However, the extent of buoyancy of timber deck cargoes that may be taken into account in the damage stability calculations shall be followed as stated below for the longitudinal and transverse direction. (Please refer to the "Figure 1".This Technical Information became null and void on 22 Jan 2016.
Revised Requirements for Radio Personnel for Greek Flag GMDSS ships.
The requirements of the Government of Hellenic Republic for radio personnel on board its flag GMDSS ships are given in NK Technical Information No. 136 of 10 May 1994. The Government has notified this Society of its revision to these requirements which is reproduced below for your information/necessary arrangements. -------------------------------------------------------------------------- Revised Requirements for Radio Personnel on Board Greek Flag GMDSS Ships 1. For ships adopting maintenance methods other than onboard maintenance, (a) Sea area: A1 One holder of Restricted Operator's Certificate (ROC) at least (b) Sea areas A2, A3 and A4 Two holders of General Operator's Certificate (GOC) at least 2. For ships adopting onboard maintenance asIntroduction of HSSC to the Maltese vessels
We found some error in our Technical Information No. 363 which had been sent to you. Please accept our sincere apologies for any inconvenience caused and amend it as follows: Page 1, last paragraph Please apply the Society for the survey for issuing the all applicable HSSC certificates such as;(a) International Load Line Certificate,(b) Cargo Ship Safety Construction Certificate,(c) Cargo Ship Safety Equipment Certificate,(d) Cargo Ship Safety Radio Certificate,(e) International Oil Pollution Prevention Certificate,(f) International Pollution Prevention Certificate for the Carriage of Noxious Liquid Substances in Bulk,(g) International Certificate of Fitness for the Carriage of Dangerous Chemicals in Bulk,(h) International Certificate of Fitness forThe exemption from damage stability requirements for the existing bulk carriers
The upgraded requirements for existing bulk carriers in IACS UR and SOLAS have been already implemented according to the implementation schedule for each vessel since 1998. As informed by our Technical Information No.296 (25 December 1998), the exemption from structural requirements for the vessels, which do not have sufficient number of bulkheads, is provided in the SOLAS Chapter XII Reg. 9. As a requirement for the above exemption, IACS has developed a unified interpretation for "detailed information on specific cargo hold flooding scenarios" stipulated in SOLAS Chapter XII Reg. 9 .3 as attached SC154. For your information, our attending surveyor confirms that the above "detailed information" has been placed onboard referring to this SC154. However, itsIntroduction of HSSC to the Maltese vessels
We have pleasure to inform you of the following instruction from the Maltese Administration. [Instruction from the Administration] Quote: As a contracting Party to the 1988 Protocol of SOLAS and Load Line Convention, this Administration has adopted IMO Res. 883(21). In this respect all Recognized Classification Societies are requested to follow Annex 1 of IMO Res. A.883(21) when it comes to the implementation of the HSSC. In order to have a uniform implementation of the system, it is this Administration's requirement that all ships are to implement the HSSC System during the Safety Construction Intermediate (SC-IS) or Special Surveys (SC-RS) , which is the earliest. If the owners so desire, the implementation can be done during the first SafetyThis Technical Information became null and void on 27 Jun 2001.
Radio Inspectors arranged at Safety Radio Surveys of Non-Japanese Flag Ships
For safety radio surveys of non-Japanese flag NK ships, the Society has requested that tests and measurements for radio installations are to be carried out by radio inspectors in accordance with the Society's "Rules for Radio Installations". With amendment of the Rules based on IMO Assembly Resolution A.789(19) and an IACS Unified Requirement, radio inspectors for the surveys carried out on and after 1 April 2000 are to be those belonging to radio firms approved by the Society in accordance with the ''Rules for Approval of Manufacturers and Service Suppliers'' or to radio installation inspection service companies approved by the Society in accordance with the ''Tentative Procedures and Requirements for Approval of Radio Installation Inspection Service ComSurvey of Life-saving Appliances for the Netherlands Flag Ships
With the 1996 Amendments to the 1974 SOLAS Convention, the Netherlands Government has specified their test/examination requirements, including the following, for survival crafts and associated launching appliances on the Netherlands flag ships. ・Pressure test and air renewal for air bottles for self supporting air supply system every 5 years. ・Inspection of inflatable rescue boats and their engines by manufacturer or his representative every 2.5 years. In case where a survey for life-saving appliances of a Netherlands flag ship is scheduled, it is recommended that further information in this respect should be sought from the Society. Department in Charge : Material and Equipment Department Lifesaving/Cargo Gear equipment Sec. Tel :This Technical Information became null and void on 22 Jan 2016.
Revised Requirements for Radio Personnel for Maltese Flag GMDSS ships.
The requirements of the Maltese Government for radio personnel on board its flag GMDSS ships are given in NK Technical Information No. 293 of 16 Dec. 1998. The Maltese Government has notified the Society of its revised requirements in this respect, which is reproduced below for your information/necessary arrangements. -------------------------------------------------------------------------- Required Radio Personnel on Board Maltese Flag GMDSS Ships For ships adopting maintenance method other than onboard maintenance, (Cargo ships) - Two Deck Officers all holders of a General Operator's Certificate (GOC), or - One Dedicated Radio Officer also holder of a GOC. (Passenger ships) - Three Deck Officers all holders of a GOC, or - Two Deck OfficersProcedure for Responding to Digital Selective Calling (DSC) Distress Alerts by Hong Kong Registered Ships.
Considering the various problems created by unintended activations of DSC distress alerts and DSC distress relay alerts, Hong Kong Marine Department has issued "Hong Kong Merchant Shipping Notice No.1024 (23 March 2000)" concerning the procedure for responding to DSC distress alerts by ships. In the Notice, masters, officers and radio personnel serving on Hong Kong registered ships are urged to comply with the advice given in the COMSAR/Circ.21 (25 January 2000) and to display the flow diagrammes indicating the procedure for responding to DSC distress alerts as par attached to the COMSAR/Circ.21 on the bridge. It is sincerely recommended that an appropriate action should be taken in accordance with the Notice. For easy reference, a copy of COMSAR/Circ.21Gross Tonnage for Determination of Application of GMDSS Requirements to Panamanian Ships
In determining the application of the SOLAS requirements, Panamanian Maritime Authority has so far accepted the gross tonnage of US tonnage regulations or other national tonnage regulations of the states when ships were flagged in Panama from those states. This Panama Maritime Authority has recently set forth in Merchant Marine Circular No.109/1999 its requirements for the gross tonnage of ships for determination of the application of the GMDSS requirements to Panamanian ships that should be measured in accordance with the International Tonnage Convention on Tonnage Measurement of Ships 1969 (TM69) from 1 February 2002 instead of those measured as per above. When the gross tonnage of a cargo ship measured on TM69 is 300 GT or more the relevant GMDSSOverhauling and operational test of lifeboat on- Load release gear for Bahamas flag ships
Regulation 20.11.2.3 of Chapter III of the 1996 Amendments to the 1974 SOLAS Convention requires that lifeboat on-load release gear shall be subjected to an overhauling and an operational test at least every five (5) years. In this respect, the Bahamas Government has instructed the Society that the overhauling / operational test should be undertaken at the first dry docking which occurs prior to 2003 after 1 July 1998 for lifeboat on-load release gear on board Bahamas flag ships. It is therefore recommended that such overhauling / operational test should be arranged at the time of the coming first dry docking test for a Bahamas flag ship if its lifeboat on-load release gear has not yet been subjected to it regardless of the survey / testing proceduresResolutions adopted by IMO Assembly at its 21st Session
Please find attached for your information, a sheet which summarizes the resolutions adopted by the IMO Assembly at its 21st session. These Assembly resolutions are not, in general, mandatory requirements. Please note, however, that such resolutions may be legally implemented in the Rules or Regulations of relevant states which may require practices in accordance with such resolutions. If a relevant state which provides authorization to the Society, gives notice of implementation of any of those resolutions as mandatory requirements for statutory surveys, this Society will usually advise of such requirements by separate Technical Information etc.----- No English version -----
An amendment to the Regulations of California for Oil Spill Prevention and Response
The regulations of California for oil spill prevention and response, regarding Oil Spill Contingency Plans, which previously only applied to tank vessels, have been amended to also apply to nontank vessels (vessels other than oil tankers). The amendment to the regulation applies to nontank vessels of 300 gross tons or greater entering Californian waters. An outline of the amendment is attached for your reference. The amendment to the regulation has also been posted on the internet home page of the authority in charge located at http://www.dfg.ca.gov/Ospr/regulation/ntvcplans.htm We recommend that the authority (whose address shown below) should be contacted for further information. Mr. Bud Leland Supervisor Marine Safety Branch 1700K Street, Suite 25This Technical Information became null and void on 17 Oct 2003.
Regulations for the Prevention of Pollution by Sewage from ships for Greek flag vessels (ANNEX IV to MARPOL73/78)
As we already informed with the NK Technical Information No.273 dated 23 July 1998, that the Society issues Statement of Compliance with the provisions of Annex IV to MARPOL73/78 voluntarily at your request and that Greece has already implemented the Annex IV under the national legislation. This time, the Administration of Greece instructed by the Circular as follow; The national legislation of Greece implemented the Annex IV to MARPOL73/78 applies only for Greek flag vessels performing domestic voyages. The legislation does not apply for Greek flag vessels trading internationally until when the Annex IV to MARPOL73/78 is put into force. Annex IV to MARPOL73/78 has already been ratified by 76 States, as of the 29th February 2000, with the combinedThis Technical Information became null and void on 27 Jun 2001.
Radar to be installed on board Panamanian Ships
This is informing you of the following requirements of Panama Maritime Authority for performance standards for Radar. It is sincerely recommended that appropriate arrangements should be made for Radar referred to ensure compliance with the performance standards. - Radar to be installed on Panamanian ships on or after 1 May 2000 should be complied with the performance standards in the Annex 4 to MSC.64(67) adopted by IMO MSC on 4 December 1996. - Radar complying with the performance standards of the previous recommendation may be installed on board only if the order for the equipment was placed prior to 1 January 2000 and the equipment has already been manufactured. Department in charge : Material and Equipment Department Tel: +81-3This Technical Information became null and void on 14 Jan 2004.
BC Code Fitness Certification
Attached hereto is a guidance for certification on fitness of ships for the carriage of solid cargoes in bulk in accordance with the provisions of the Code of Safe Practice for Solid Bulk Cargoes (BC Code) which developed by ClassNK. As for background to this certification, please refer to Notes 1.1 and 1.2 in the Guidance. Should you have any question on this matter, please contact Material and Equipment Department at TEL: 81-3-5226-2020, FAX: 81-3-5226-2019. Encl. Guidance for BC Code Fitness CertificationExamination and certification of shipboard incinerators
Shipboard incinerators installed on board ships on or after 1 January 2000 are required to be of those approved by the flag administration taking into account the Standard Specification for Shipboard Incinerators (MEPC.76(40)) under Regulation 16 of Annex VI to MARPOL73/78 subject to the Annex coming into force. In view of the above, the Society conducts type examinations, product verifications and installation examinations of incinerators, and issues certificates at the requests of manufacturers, shipbuilders or shipowners as appropriate in accordance with the attached guidance. When Annex VI to MARPOL73/78 becomes effective as it is, the Society would accept the incinerators issued with installation examination certificates as complying with the requiremInterpretations of Chapter III of 1996 Amendments to 1974 SOLAS and LSA Code, and Survey / Testing Procedures
The abstract of the carriage requirements of life-saving appliances specified in the 1996 Amendments to Chapter III of the 1974 SOLAS Convention ( hereinafter referred to as "96 SOLAS") and of the international technical standards of life-saving appliances specified in the LSA Code is shown in Technical Information No. 289 of the Society. Attached hereto for your reference / action is a list of interpretations and of survey / testing procedures in relation to the provisions of the 96 SOLAS and the LSA Code, prepared by the Society incorporating the IACS / IMO interpretations thereof. This applies to ships flying flags other than the Japanese flag. For any questions about the subject, please contact Material and Equipment Department (Tel 03-5226-2020This Technical Information became null and void on 22 Jan 2016.
Revised Requirements for Radio Personnel for Philippines and Saudi Arabian Flag GMDSS Ships
The requirements of the Philippines Government and the Saudi Arabian Government for the required qualifications and number of radio personnel on board their flag GMDSS ships are given in NK Technical Information No.169 of 20 October 1995. These Governments have notified the Society of their revised requirements in this respect which are reproduced below for your information/necessary arrangements. Required Radio Personnel on Board Philippine Flag GMDSS Ships For ships with shore-based maintenance engaging on voyages beyond sea area A1. - Two deck officers holding GOCs who should not be the Master of the ship, or one exclusive radio officer holding both GOC and REC. For ships with at-sea maintenance capability engaging on voyages beyond sea areaGuideline for issuance of the Statutory Certificates under the Harmonized System of Survey and Certification (HSSC)
As informed by earlier issue of Technical Information No.321 dated 28 July 1999 (partly revised in No.327 dated 6 Sep.1999), the 1988 Protocol of SOLAS and Load Line Convention will enter into force on and after 3rd February 2000. Regarding this matter, please be informed of the general procedure for Survey and Certification during the period when the present system of Survey and Certification is shifting into the Harmonized System of Survey and Certification (HSSC). General 1. For the vessel, the Statutory Certificates of which have been fully or partly issued by their flag government or other Society, Survey and Certification are dealt with in accordance with the instruction from their flag government. 2. Survey and Certification of MARPOL 73/78, IGThis Technical Information became null and void on 18 Oct 2001.
Conformity Assessment/Certification under EC Marine Equipment Directive
It has already been informed by NK Technical Information No.323 of 30th July 1999 that the Society has started to offer the service for conformity assessment/certification under EC Marine Equipment Directive (MED). In this connection, we are pleased to inform you that the service for conformity assessment/certification the Society can offer has been expanded to cover for the equipment prescribed in the attached list since 1st January 2000 in addition to those listed in NK Technical Information No.323. Thus, upon request, the Society will be pleased to offer its service for conformity assessment/certification for all the items of life-saving appliances, marine-pollution prevention and fire protection listed in Annex A of MED. NK Technical Information NoTreatment of indent on deck crane or derrick boom
When a local indent was caused on crane jib or derrick boom, it is often found that putty or bond has been applied for the part to make flush surface after that. Recently it is reported that the above cases were pointed out by longshoremen and cargo handling was rejected or delayed as a result. Applying putty or bond to a local indent is not only disturbing to judge extent of the damage but also raising unnecessary misunderstandings to longshoremen. In such case you are kindly requested to remove putty or bond as soon as possible, and arrange surveys if the damage would not be surveyed yet. Please note that renewal of the damaged part will be required if the indent would be considerably deep. If you have any inquiries, please feel free to contact the SuThis Technical Information became null and void.
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This Technical Information became null and void on 28 Jul 2004.
MARPOL 73/78 Annex VI Reg.16 Shipboard Incineration Interpretation of "installed on board"
When MARPOL 73/78 Annex VI enters into force in the future, each incinerator installed on board a ship on or after 1 January 2000 shall be approved by the Administration taking into account the IMO standard of Resolution MEPC76(40). Therefore, with regard to new building ships which are at stages of construction on or before the end of 1999 and will be delivered on or after 1 January 2000, we recommended you to request our Survey Office to confirm the date of installation of the incinerator in order to keep an official record document as stated in NK Technical Information No.311 dated 17 May 1999. IACS had been discussing the date of installation of the incinerator and has issued the unified interpretation MPC8 as attached hereto. We understand that "newThis Technical Information became null and void on 10 Aug 2007.
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This Technical Information became null and void on 1 Jul 2003.
Exemption from Installation of a Radio Direction Finder
Regulation V/12(p) of the 1988 Amendments ot 1974 SOLAS Convention specifies the requirements for installation of a radio direction finder and for exemption from its installation on certain conditions. The following Governments have notified the Society of the conditions for exemption, and procedures for exemption and for issue of an exemption certificate for ships registered in their States, which are re-produced as per attached. For ships flying the Japanese flag, further information should be sought to Material and Equipment Department. NK Technical Information No.216 dated 30 June 1997 is replaced by this issue. 1. CYPRUS 2. GREECE 3. HONG KONG 4. ISLE OF MAN 5. MALTA 6. PANAMA 7. PHILIPPINES 8. ST.VINCENT AND THE GRENADINES 9. SWITThis Technical Information became null and void.
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Safe Working Load of the cargo handling appliances under SI units
Safe working load is defined as the maximum allowable load and expressed in kilo-Newtons (kN) or tons (t) in 1.2.1(6) and 1.2.1(10) of the current Rules for Cargo Handling Appliances of the Society. The Rules in this respect are under revision in line with the national regulations and standards in which safe working load (net load) of the cargo handling appliances is clearly specified as a term for mass of the cargo. For assignment of safe working load (S.W.L) of the cargo gear and the loose gear under the Rules for Cargo Handling Appliances, please be informed following procedures accordingly. ・ Safe working load is to be defined as the maximum allowable mass of the cargo which the cargo handling appliances can be operated safely, and to be expressedThis Technical Information became null and void.
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This Technical Information became null and void on 22 Jan 2016.
Required Radio Personnel on Board Bahraini Flag GMDSS Ships
The Bahraini Government has notified the Society of his requirements for radio personnel on board GMDSS ships, which are reproduced below for information/action: Required Radio Personnel on Board Bahraini Flag GMDSS Ships As from 1st February 1999, Bahraini Flag GMDSS Ships should carry radio personnel as follows. However this requirements will come into force after a grace period extending up to 31st December 1999. Ships of 300GT and over, trading internationally - Two watchkeeping deck officers holding GOCs and certificates complying with 1995 STCW Convention. Ships of 300GT to 500GT, trading within The Gulf Area and Gulf of Oman - One watchkeeping deck officer holding a GOC and a certificate complying with 1995 STCW Convention. The EndRescue boat launching appliances on board Netherlands Flag Ships
This NK Technical Information is to note that there is no English text of NK Technical Information No.335. This NK Technical Information No.335 is issued to correct a clerical error in NK Technical Information No.325 (Japanese text). There is no error in the English text. Department in Charge : Material and Equipment Department Lifesaving/Cargo Gear equipment Sec. Tel : +81-3-5226-2020 Fax : +81-3-5226-2019This Technical Information became null and void on 10 Aug 2007.
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Requirements to be met by vessels entering into Greek Ports carrying solid cargoes in bulk
The Greek Government issued a circular 1421ГNГ23/50/98 entitled "Loading, Unloading and carriage of Bulk Cargoes by Ships". Annex 2. Shows its provisional translation into English. According to the circular, the vessels entering into or leaving Greek ports carrying solid cargoes in bulk should meet the requirements of IMO Resolution A.862(20) and, especially, the vessels carrying cement in bulk (excluding pure cement carrier) should submit documents to Greek port authorities which are specified by the Greek Rules " Safety Rules for Carriage of Cement in the Form of Bulk Cargo by Ships" that is appended to the circular. Please refer to the outlines of the rules in the Annex 1. As mentioned in the Annex 1 at item 4, in cases where vessels carry cement cargCyprus Requirements with regard to Fire Control & Life Saving Appliances Plans
The Government of Cyprus issued Circular 19/99 requiring that Cypriot flag vessels should be provided with Fire Control & Life Saving Appliances Plans that comply with the requirements of the Circular 19/99. A copy of the circular is attached hereto as an Attachment 1. The points of the circular are: (1) All Cypriot flag vessels are required to be provided with Fire Control & Life Saving Appliances Plans (hereinafter referred to as the "Plan") complying with the requirements given in paragraphs 2.1 to 2.8 of the Circular 19/99 not later than 31 December 1999. (Paragraph 1.3) (2) The graphical symbols related to fire fighting and life saving equipment and appliances as set out in IMO Resolutions A.654(16) and A.760(18) should be used in the Plan. (ParagraThis Technical Information became null and void on 31 Dec 2001.
Surveys of the launching appliance and on-load release gear for lifeboat and rescue boat on board Malta flag vessels
SOLAS 1996 amendments requires in Regulation Ⅲ/20.11 that launching appliances of lifeboats and rescue boats shall be subjected to a thorough examination and a dynamic test of the winch brake at interval not exceeding 5 years. In addition, lifeboat on-load release gear shall be subjected to an overhauling and an operational test at least every 5 years. The Administration of Malta has notified the Society of its requirements for launching appliances and on-load release gear on board Marta flag vessels, which are reproduced below for information/action: 1. The reference to 5 year intervals in Ⅲ/20.11.1.2 and Ⅲ/20.11.2.3 starts as of 1 July 1998. 2. The first service is to be carried out during the first Safety Equipment Renewal Survey on or after 1 July 1This Technical Information became null and void.
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