Page 144 - ΝΑΥΤΙΚΑ ΧΡΟΝΙΚΑ - ΜΑΙΟΣ 2023
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Τhrough a seafarer's eyes
HORIZON
FROM
by Capt. George Georgoulis
THE IMO GUIDELINES OF CORRECTION voyage adjustments are applied to the calcula-
FACTORS AND VOYAGE ADJUSTMENTS tion of attained CII.
FOR THE CARBON INTENSITY
INDICATOR (CII) Vessels are to report the total distance & fuel
The IMO has introduced the Carbon Inten- consumed during the following situations:
sity Indicator (CII) requirements for ships as a • Voyages through ice (applicable to Ice
short-term GHG reduction measure. It has also Class vessels only)
allowed for voyage adjustment and correction • Voyages for the purpose of securing the
factors for certain ship types, operational pro- safety of a ship, e.g., when a vessel at
files, or voyages to enhance, as appropriate, anchorage needs to go out to sea to avoid
the CII Guidelines. The corrections factors and an impending storm or deviate during a
voyage adjustments which may be applied to the voyage to take shelter
calculation of the attained annual operational • Voyages for saving life at sea, e.g., rescue
carbon intensity indicator are described in the operation voyages or deviations to disem-
CII Guidelines. bark seriously sick crew
A correction factor means a factor in the numer- • Voyages undertaken due to damage to the
ator or denominator of the CII formula which ship or its equipment, e.g. direct voyages to
adjusts the calculation of the attained CII. A a repair yard after damage to the propeller,
voyage adjustment deducts relevant fuel con- steering gear, shafting, etc.
sumption, as well as the associated distance The ship’s logbook should include data entries
travelled, from the calculation of attained CII for the voyage period with the date, time, and
for a defined period subject to certain threshold ship position at the commencement and end of a
conditions being met. voyage. In addition, for voyages through ice con-
IMO has prescribed a specific formula for CII ditions, the date, time, and ship's position when it
calculation to be used when the corrections encountered and left the ice conditions should
factors and voyage adjustments are applied. be recorded.
Accurate data and supporting evidence must Fuel consumption may be recorded by flowme-
be collected for submission to the verifier if the ter reading or fuel tank monitoring at the start
corrections factors and voyage adjustments are and end of a voyage, as per whichever method
applied. is approved in SEEMP II or III. Photo evidence
Data and supporting evidence must be collected of logbook entry for flowmeter readings or tank
as per the approved SEEMP II or III for submis- sounding at the start and end of a voyage (Log-
sion to the verifier if the corrections factors and book entry) is to be maintained for evidence. For
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