The Steam Packet says the Manannan is undergoing a refit and won't be serving the Island again until later this year.
The fastcraft left Douglas for Birkenhead's Cammell Lairds shipyard on Saturday to undergo work.
She'll be out of service until March 23.
The Steam Packet's released a timelapse video on its Facebook page showing the vessel entering drydock.
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Jez the Castletown Cat keeps his nine lives!
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Lifeboat rescues vessel drifting in force 7 winds
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