Third IMO Greenhouse Gas Study 2014

Inventories of CO2 emissions from international shipping 2007–2012 45
Table 14 – Tabular data for 2012 describing the fleet (international, domestic and fishing) analysed using the bottom-up method (continued)
Ship type Size category Units
Miscellaneous
– fishing
Number active
Decimal AIS
coverage of
in-service
ships
Avg.
deadweight
(tonnes)
Avg.
installed
power
(kW)
Avg.
design
speed
(knots)
Avg.
days at
sea
Avg.*
sea
speed
(knots)
Avg.* consumption
(‘000 tonnes)
IHSF AIS Main Auxiliary Boiler
Total CO 2
emissions
(‘000 tonnes)
0–+ gt 22,130 4,510 0.20 181 956 11.5 164 7.4 0.4 0.4 0.0 50,959
Offshore 0–+ gt 6,480 5,082 0.78 1,716 4,711 13.8 106 8.0 0.7 0.6 0.0 27,397
Service – other 0–+ gt 3,423 2,816 0.82 2,319 3,177 12.8 116 7.9 0.7 0.4 0.0 11,988
Miscellaneous
– other
0–+ gt 3,008 64 0.02 59 2,003 12.7 117 7.3 0.4 0.4 0.0 7,425
* indicates the use of weighted averaging (weighted by days at sea for each individual ship).
Note: slight differences in Table 14 and Table 16 totals are due to rounding in values reported in the report. For 2012 the dfference is approximately 0.1%.