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See implemeted document only Notice for amendment of KR Technical Rules(Rules and Guidance & Other Rules and Guidance)
Date : 2026-10-07 View : 138

Subject : 9.223 Notice for amendment of KR Technical Rules 

            (Rules and Guidance & Other Rules and Guidance)

 

Application : Refer to Effective date(s) specified in the attachments

 

 

1. Thank you for your interest in KR Technical Rules.

 

2. Please be informed that the amendments have been made to reflect IACS Resolutions,

   IMO Circulars and Requests for Establishment/Revision of Classification Technical Rules,

   and you are kindly requested to apply the amendments to the relevant works according to effective date.

 

Classification Technical Rules

Effective date

Amendments

Rules for Classification of
Steel Ships, Pt. 5 Ch. 1

On or after 1st Jan. 2027
(The contract date for
ship construction)

1. Incorporation of IACS UR M44 (Rev.11)
: Revision of drawings and documents for
reciprocating internal combustion engines

Rules for Classification of
Steel Ships, Pt. 5 Ch. 2

On or after 1st Jan. 2027
(The contract date for
ship construction)

1. Incorporation of IACS UR M44 (Rev.11)
: Revision of the approval procedure for
reciprocating internal combustion engines
2. Incorporation of IACS UR M78 (Rev.4)
: Revision of inspection/testing
requirements for reciprocating internal
combustion engines using gas and lowflashpoint
fuels

Rules for Classification of
Steel Ships, Pt. 5 Ch. 4

On or after 1st Jan. 2027
(The contract date for
ship construction)

1. Incorporation of IACS UR M88 (New)
: Addition of a reference to the
application guidance for passing time
through barred speed ranges

Rules for Classification of
Steel Ships, Pt. 7 Ch.5

On or after 1st Jan. 2027
(The contract date for
ship construction)

Incorporation of Annex 2 to Circular
Letter No.5222 (amendments to the
requirements for LPG and ethane)

Guidance for the Rules for
Classification of Steel Ships, Pt. 5 Ch. 2

On or after 1st Jan. 2027
(The contract date for ship construction)

1. Incorporation of IACS UR M51 (Rev.5)
and IACS UR M88 (New)

: Revision of requirements for shop
trials and On-board tests of
reciprocating internal combustion
engines

Guidance for the Rules for
Classification of Steel Ships,
Pt. 5 Ch. 4

On or after 1st Jan. 2027
(The contract date for
ship construction)

1. Incorporation of IACS UR M88 (New)
: Revision of passing time through
barred speed ranges

Guidance for the Rules for
Classification of Steel Ships,
Pt. 5 Annex 5-3

On or after 1st Jan. 2027
(The contract date for
ship construction or
date of application for
type approval)

1. Incorporation of IACS UR M53 (Rev.6)
: Revision of engine crankshaft
strength calculations
2. Change of appendixes to sub-annexes

Guidance for the Rules for
Classification of Steel Ships,
Pt. 5 Annex 5-7

On or after 1st Jan. 2027
(The contract date for
ship construction or
date of application for
type approval)

1. Incorporation of IACS UR M78 (Rev.4)
: Revision of inspection/testing
requirements for reciprocating internal
combustion engines using gas and
low-flashpoint fuels

Guidance for the Rules for
Classification of Steel Ships,
Pt. 5 Annex 5-11

On or after 1st Jan. 2027
(The contract date for
ship construction or
date of application for
type approval)

1. Incorporation of IACS UR M87 (New)
: Revision of approval procedures for
reciprocating internal combustion
engines
: Addition of Annexes 5-11-1 and 5-
11-2

Guidance for the Rules for
Classification of Steel Ships,
Pt. 5 Annex 5-14

On or after 1st Jan. 2027
(The contract date for
ship construction)

1. Addition of requirements for the use
of biofuels to the annex

Guidance for the Rules for
Classification of Steel Ships,
Pt. 6 Ch. 1

On or after 1st Jan. 2027
(The application date
for certification of
cables or the contract
date for ship
construction)

1. Incorporation of IACS UR E7 (Rev.2
Dec 2025)
: Revision of applicable international
standard numbers for cables and types
of special purpose cables

Guidance for the Rules for
Classification of Steel Ships,
Pt. 6 Ch. 1

On or after 1st Jan. 2027
(The contract date for
ship construction)

1. Incorporation of IACS UR E15 (Rev.6
Dec 2025)
: Revision of the scope of application
and international standard numbers for
flame-retardant and special purpose
cables

Guidance for the Rules for
Classification of Steel Ships,
Pt. 7 Ch.5

On or after 1st Jan. 2027
(The contract date for
ship construction)

1. Amendment to the operating method
of transfer arms for LNG bunkering
systems
2. Clarification of the operating time
margin for cargo tanks

Guidance for Approval of
Manufacturing Process and
Type Approval,
Ch 3, Sec 8

On or after 1st Jan. 2027
(The date of application
for type approval)

1. Incorporation of IACS UR M71 (Rev.1)
: Revision of type approval
requirements for reciprocating internal
combustion engines

Guidance for Prevention
Systems of Pollution from
Ships

On or after 1st Jan. 2027
(The contract date for
ship construction)

Incorporation of IACS UR M77:
Requirements for the use and storage of
ammonia for selective catalytic reduction
(SCR) systems

Rules & Guidance for
Classification of Steel Ships,
Pt. 9 Ch. 10

On or after 1st Jan. 2027
(The contract date for
ship construction)

Incorporation of IACS UR M74 and UR
F45
: Revision of definitions, additional
requirements for tankers, and
venting/ventilation and piping
requirements for BWMS

 

 

※ Attachments : Circular 9.223(E) ----- 1 copy. (The End)

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