A shipyard in Turkey is preparing to commission the world’s first methanol-powered escort tug for a leading Dutch owner
Sanmar Shipyards has launched the first methanol-powered escort tug built worldwide, one of a two-vessel series it is building for Kotug Canada’s operations in British Columbia.
Sanmar is constructing SD Aisemaht and SD Qwiy Aanitsa Sarah for Kotug Canada to a Robert Allan Ltd RASalvor 4400-DFM design and with around 120 tonnes of bollard pull.
The first of these was launched in mid-September 2025 and will be commissioned and tested at sea before its delivery.
These tugs are designed to provide long range towing, anchor-handling, rescue and salvage. They are equipped with fire-fighting equipment meeting the requirements of ABS FFV 1 notation and will have the largest spill response capabilities of any tugs on the British Columbia coast.
“The launch of the world’s first dual-fuel methanol escort tug is more than a milestone for Kotug Canada, it is a defining moment for the maritime industry,” said Kotug International chief executive Ard-Jan Kooren.
“These powerful vessels prove that sustainability and performance can go hand in hand,” he said.
“By investing in clean technologies today, we are shaping the future of towage and paving the way for the industry to follow."
Equipped with twin methanol dual-fuel engines, they feature Schottel’s Sydrive-M mechanical hybrid propulsion, consisting of two azimuth rudderpropellers of type SRP 710 that can be driven by just one of the two high-speed main engines on each tug.
When completed and operating in western Canada, these tugs will escort laden crude oil tankers from the outer harbour limits of the Port of Vancouver to the open Pacific Ocean through the commercial shipping lanes of the Salish Sea, where they will also provide emergency response.
Trans Mountain’s oil terminal is the end point of a 1,180-km pipeline carrying crude and refined products from Edmonton, Alberta.
Kotug Canada has partnered with Sc’ianew First Nation from Beecher Bay, which is strategically located along the shipping route from Vancouver, to provide the service.
The partnership is formalised by a mutual-benefits agreement that creates long-term economic opportunities, employment and training for Sc’ianew community members, while also incorporating indigenous stewardship and knowledge into marine operations in their traditional waters.
“The launch of this radically new tug, the first of twins, is an important day for the whole tug industry,” said Sanmar vice chairman and chief executive Ali Gurun.
“It marks a major step forward in the use of alternative fuels to protect our planet. These are among the most powerful tugs ever built, yet have environmental protection at their heart.”
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