EIAPP CERTIFICATE

EIAPP certificate

(Engine International Air Pollution Prevention)

The EIAPP certificate has to be issued by the authorities. The “Technical file” is needed

to obtain an International Air Pollution Prevention (IAPP) certificate.

Technical File

classification society and a NOx measurement report,

The recently modified IMO regulations require, amongst

showing that the engine complies with the new NOx

other things, a limited NOx emission level. New marine

emission limits.

installations have already to comply with these standards,

To obtain a Statement of Compliance one needs to

assuming that the flag authorities ratify these regulations.

provide a "Technical File".

The regulations also apply in cases;

Preparing for the Technical File

an engine is replaced by a new one

of existing engines:

or the output is increased by more than 10%

The normal procedure is to start by measuring the actual

or substantial modifications are applied affecting the

emission level. Most engine types can be adjusted to fulfil

NOx emission.

the NOx emission level requirements, usually by minor

adjustments to injector nozzle specification and fuel

Wärtsilä can deliver the Technical File and engine part

injection timing.

codification needed for the EIAPP certificate of existing

Whether the engine must be adjusted or not, the

Wärtsilä engines including the emission measurement

engine components concerned have to be coded and

report.

marked. These so-called IMO codes will be issued by

Wärtsilä, and relevant parts delivered in future must

Application for the IAPP certificate

carry the required specific IMO code.

requires a "Technical File":

If a shipowner wants to obtain the IAPP (International

Air Pollution Prevention) certificate for his ship, he

needs to present the EIAPP certificate of the engine(s)

concerned.

In order to obtain the EIAPP certificate one needs to

provide a Statement of Compliance from an authorised

Onboard emission measurements, according to the very

specific IMO regulations, have to be carried out after the

Engine builder

modifications with a light fuel oil of ISO-DMA quality.

The emission measurement concerns much more data than

Supplying IMO coded parts

just the NOx in order to carry out the validity checks.

During this emission test a complete test protocol has to be

Wärtsilä

made specifying engine parameters like speed, load etc.

IMO code inspection

Upgrading the engine

Simultaneously with the adjustment, coding and

by surveyor

marking of the engine, Wärtsilä will compile the technical

Approved measuring procedure

and equipment.

inspection by surveyor

file required for certification.

Delivery of documentation

Specification

Engine builder

The Technical File is a record containing all details of

parameters, including components and settings, that may

Technical File & Applying for the EIAPP Certificate

influence the NOx emissions of the engine.

The Technical File contains: identification of coded

Classification society

parts, reference to or identification of the relevant settings

(Flag State Marine Authority)

for injection timing etc., allowable deviations, statement

Approve Technical File

of engine performance, engine test report and verification

Issue the Certificate

procedure instructions

The Technical File can be complemented with the

NOx measurement report (when made) and the

"Statement of Compliance" (when issued by the

classification society) or ultimately the "EIAPP certificate"

(when issued by the authority).

Preparing for the Emission Measurement:

Wärtsilä offers a system for emission measurements which

meets the IMO Annex Vi of Marpol 73/78 Regulations

for the Prevention of Air Pollution from Ships, NOx

Technical Code, ISO 8178-4. This code demands

certified equipment, accurate calibrations, correct

measurement procedures and skilled personnel.

Key components have to be coded.

Specification

Note

The NOx measurement report specifies:

The product "Technical file" in the context of EIAPP

Engine speed and torque for power calculations.

certification of existing engines means solely the

Fuel consumption for calculations according to ISO

compilation and delivery of a Technical File as

3046-1

described above.

Temperatures of charge air, exhaust gas, cooling water

The product "Emission Measurement" in the context of

and lubricating oil

EIAPP certification of existing engines means solely the

Pressures and humidity in the charge air system

compilation and delivery of a Measurement report as

Exhaust gas composition with regard to NOx, CO,

described above.

CO2 and O2.

Further assistance like assistance in obtaining the

The measurements will be performed in accordance

"Statement of Compliance" from a specific

with the Technical Code for a number of different load

classification society has to be agreed upon separately.

conditions corresponding to the application category.

WÄ RT SI L Ä

i s  a   re gis te re d  tr ad em a rk .   Copy righ t   ©  2 0 0 4   Wä rts il ä   Corpor at ion .

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Wärtsilä Corporation

Kauppapuistikko 15 Tel. +358 (0)10 709 0000

FIN-65100 Vaasa Fax +358 (0)10 709 2422

Finland