1 In accordance with the provisions of regulation
13.7.1 of MARPOL Annex VI, for marine
diesel engines with a power output of more than 5,000 kW and a per
cylinder displacement at or above 90 litres, installed on a ship constructed
on or after 1 January 1990 but prior to 1 January 2000, installation
of an approved method is required if the approved method for that
engine has been certified by an Administration of a Party and notification
of such certification has been submitted to the Organization or, alternatively,
certification as provided for under regulation 13.7.1.2 of MARPOL Annex VI.
2 The notifications that the Organization has
received to date are set out in the annex.
3 Member Governments are invited to bring this
circular to the attention of their Administrations, relevant shipping
organizations, recognized organizations, shipping companies and other
stakeholders and encourage them to take action as appropriate.
List of Notifications from Administrations
| Date of notification
|
Administration
|
Engine type
|
Manufacture
|
Type of approved method
|
MCR per cylinder
(kW/cyl)
|
Rated speed
(rpm)
|
IMO Circular No.
|
| 5 October 2010
|
Denmark
|
S70MC
|
MAN B&W
|
Fuel nozzle
|
2,530 – 2,810
|
81 – 91
|
MEPC.1/Circ.738
MEPC.1/Circ.738/Add.1
MEPC.1/Circ.738/Add.2
MEPC.1/Circ.738/Add.3/Rev.1
|
| 4 February 2011
|
Germany
|
RTA52
RTA52U
RTA58T
RTA62
RTA62U
RTA72
RTA72U
RTA84C
RTA84CU
RTA84M
RTA84T-B
RTA96C
|
Wärtsilä
Switzerland
Ltd.
|
NOX
optimized
injection timing
|
– – –
|
– – –
|
MEPC.1/Circ.743
|
| 11 August 2011
|
Denmark
|
S70MC
|
MAN B&W
|
Fuel nozzle
|
2,250 – 2,810
|
81 – 91
|
MEPC.1/Circ.764
MEPC.1/Circ.764/Add.1
|
| 11 August 2011
|
Denmark
|
S50MC
|
MAN B&W
|
Fuel nozzle
|
1,160 – 1,430
|
114 – 127
|
MEPC.1/Circ.765
|
| 5 October 2011
|
Denmark
|
S60MC
|
MAN B&W
|
Fuel nozzle
|
1,650 – 2,040
|
94 – 105
|
MEPC.1/Circ.770
|
| 4 June 2014
|
Denmark
|
L50MC
|
MAN B&W
|
Fuel nozzle
|
1,075 – 1,330
|
133 – 148
|
MEPC.1/Circ.837
|