Table 2 Comparison of results for the theoretical exercise [Fuel prices excerpted from Ship and Bunker on 12th October 2021 for the same date (S&B 2021)]
From: Just in time vessel arrival system for dry bulk carriers
Vessel arrival mechanism | Unit/format | First vessel | Additional vessel | ||||
|---|---|---|---|---|---|---|---|
FCFS | Static VAS | FRL VAS | FCFS | Static VAS | FRL VAS | ||
Requested time of arrival (RTA)- for 1st vessel (NABSW) | dd/mm/yy/hh/mm | 01/01/2020 00:00 | 01/01/2020 14:00 | ||||
Distance to go (DTG) | nm | 2880 | 2880 | ||||
Due dispatch (DD) Speed | nm/h | 14.5 | 14.5 | ||||
First come first serve (FCFS) Speed | nm/h | 14.5 | Â | Â | 14.5 | Â | Â |
Static VAS | Â | Â | Â | Â | Â | Â | Â |
Static VAS, speed prior to be awarded with notified arrival time | nm/h | Â | 14.5 | Â | Â | 14.5 | Â |
Static VAS, speed subsequent to being allocated with notified arrival time | nm/h | Â | 9.5 | Â | Â | 9.0 | Â |
Speed to meet requested time of arrival (RTA) | Â | Â | Â | 10.0 | Â | Â | 9.5 |
Fuel consumption for propulsion (i.e HFO/IFO 380) | ton | 421 | 215 | 196 | 421 | 199 | 176 |
Fuel consumption differential (i.e HFO/IFO 380) (basis FCFS mechanism) | ton | Â | 206 | 225 | Â | 222 | 245 |
Fuel consumption differential (i.e HFO/IFO 380) (basis static VAS mechanism) | Â | Â | Â | 19 | Â | Â | 23 |
Fuel price | USD/ton | Â | Â | 528 | Â | Â | Â |
Fuel expenditures | USD | 222,288 | 113,520 | 103,488 | 225,385 | 106,574 | 94,222 |
Fuel expenditures differential (basis static VAS mechanism) | USD | Â | Â | 10,032 | Â | Â | 12,351 |